四年级下册口算练习1000道附答案
人教版数学四年级下册口算100题及答案
人教版数学四年级下册口算100题及答案一、选择题1. 3000从2000减去多少，可以得到1000？A. 1000B. 1500C. 2000D. 25002. 569 - 453 = ?A. 136B. 116C. 126D. 1463. 7 × 8 = ?A. 47B. 57C. 56D. 484. 45 ÷ 9 = ?A. 4B. 5C. 6D. 75. 38 × 2 = ?A. 56B. 68C. 76D. 866. 如果5 × ? = 25，那么?等于多少？A. 3B. 4C. 5D. 67. 582 + 126 = ?A. 708B. 718C. 708D. 7388. 小华有7本故事书，小明比他多3本，那么小明一共有几本书？A. 7B. 9C. 11D. 109. 如果40 ÷ ? = 8，那么?等于多少？A. 5B. 6C. 7D. 810. 76 - 39 = ?A. 47B. 37C. 27D. 67二、填空题1. 将123456下一个整百数是？答案：1235002. 在100元钱中加上30元，一共有多少元？答案：130元3. 数字7的后面是？答案：84. 三十六万零二十减去二十万有多少？答案：160,0005. 34 × 5 = ?答案：170三、解答题1. 用竖式算法计算：238 + 51 = ?答案：2892. 婆婆用10元买了一袋橘子，每斤是2元。
她买了多少斤橘子？答案：5斤3. 用竖式算法计算：48 - 17 = ?答案：314. 一次春游，班级有23个男生和27个女生，一共多少人？答案：50人5. 在7的右边写上一个数字，使得这个两位数是67，这个数字是多少？答案：0四、应用题小明拿了100元去市场买水果，他买了一袋橘子花了30元，还买了一斤苹果花了15元，最后买了一把葡萄花了20元。
问小明还剩下多少钱？答案：小明剩下的钱是100 - 30 - 15 - 20 = 35元。
四年级下册100道口算题及答案
四年级下册100道口算题及答案四年级下册100道口算题一、计算题：1. 37 + 52 =2. 68 - 29 =3. 58 × 4 =4. 96 ÷ 8 =5. 34 + 25 - 12 =6. 72 ÷ 9 × 3 =7. 45 - 18 + 27 =8. 87 ÷ 3 × 4 =9. 59 + 32 - 21 =10. 64 ÷ 8 × 9 =二、填空题：11. 46 + __ = 9312. __ - 32 = 6513. 87 ÷ __ = 914. __ × 4 = 6415. 57 - __ = 1316. __ ÷ 8 × 6 = 2417. 35 + 18 - __ = 4418. __ ÷ 5 × 3 = 3919. 63 + __ - 28 = 9320. __ ÷ 7 × 9 = 54三、解决问题：21. 有 24 支铅笔，平均分给 6 个人，每人得到几支铅笔？22. 小明放了88个气球，每个篮子装7个气球。
他一共装了几个篮子？23. 小红每周自行车上学 5 天，每天骑行 3 公里。
一个月她上学一共骑行了多少公里？24. 有 48 个苹果，平均分给 6 个篮子，每个篮子里有几个苹果？25. 林林有一些邮票，他送给了同学 9 张，还剩下 27 张。
最初他有几张邮票？四、列算式：26. 7 加上一个数等于15，这个数是多少？27. 某数减去 9 的结果等于 25，这个数是多少？28. 一篮子有 9 个鸡蛋，共有 x 篮子，总共有多少个鸡蛋？29. 一个数除以 5，然后乘以 7，得到 42，这个数是多少？30. A 和 B 两个数的和是 48，A 的值是 16，求 B 的值。
五、选择题：31. ( ) 73 - 28 的差是多少？a) 45 b) 55 c) 65 d) 7532. ( ) 54 ÷ 6 的商是多少？a) 9 b) 6 c) 3 d) 233. ( ) 158 + 25 - 62 的结果是多少？a) 123 b) 121 c) 87 d) 9334. ( ) 在 79 前面加一个数，可以得到 100，这个数是多少？a) 100 b) 21 c) 99 d) 7935. ( ) 24 × 5 的积是多少？a) 120 b) 109 c) 99 d) 84六、应用题：36. 爸爸去年买了一台电视机花了 1899 元，今年打折后 8 折购买，今年买这台电视机需要多少钱？37. 一个农场去年有 74 只小鸡，今年增加了 25%，今年农场一共有多少只小鸡？38. 妈妈用 54 元买了一条裙子，她还剩下的钱是 50 元。
四年级下册数学 口算题 (乘法交换律和结合律) 1000题
月日姓名:练习范围：乘法交换律和结合律题数：100 分秒成绩:8 × 125 × 8 = 25 × 73 × 4 = 25 × 84 × 4 =86 × 25 × 4 = 88 × 25 × 4 = 17 × 25 × 4 =25 × 47 × 4 = 38 × 25 × 4 = 25 × 25 × 4 =125 × 5 × 8 = 42 × 25 × 4 = 8000 ÷ 8 ÷ 125 = 3000 ÷ 25 ÷ 4 = 14 × 25 × 4 = 25 × 91 × 4 = 6700 ÷ 25 ÷ 4 = 96 × 25 × 4 = 25 × 87 × 4 =125 × 2 × 8 = 125 × 15 × 8 = 16000 ÷ 8 ÷ 125 = 13000 ÷ 25 ÷ 4 = 25 × 6 × 4 = 13000 ÷ 8 ÷ 125 = 5 × 125 × 8 = 25 × 66 × 4 = 2000 ÷ 25 ÷ 4 = 12000 ÷ 125 ÷ 8 = 800 ÷ 25 ÷ 4 = 14 × 125 × 8 =7 × 125 × 8 = 25 × 26 × 4 = 62 × 25 × 4 = 1000 ÷ 8 ÷ 125 = 125 × 8 × 8 = 30 × 25 × 4 =25 × 22 × 4 = 125 × 18 × 8 = 10000 ÷ 8 ÷ 125 = 5600 ÷ 25 ÷ 4 = 52 × 25 × 4 = 76 × 25 × 4 = 10000 ÷ 4 ÷ 25 = 18 × 25 × 4 = 15000 ÷ 8 ÷ 125 =25 × 59 × 4 = 7800 ÷ 25 ÷ 4 = 6000 ÷ 125 ÷ 8 = 18 × 125 × 8 = 15 × 125 × 8 = 7000 ÷ 125 ÷ 8 = 125 × 16 × 8 = 1000 ÷ 125 ÷ 8 = 7000 ÷ 25 ÷ 4 = 20000 ÷ 4 ÷ 25 = 19000 ÷ 8 ÷ 125 = 25 × 40 × 4 =25 × 75 × 4 = 13 × 125 × 8 = 11000 ÷ 8 ÷ 125 = 34 × 25 × 4 = 10000 ÷ 125 ÷ 8 = 20000 ÷ 125 ÷ 8 = 17000 ÷ 125 ÷ 8 = 19 × 125 × 8 = 7000 ÷ 8 ÷ 125 = 25 × 12 × 4 = 10 × 125 × 8 = 12000 ÷ 4 ÷ 25 = 2000 ÷ 125 ÷ 8 = 20000 ÷ 25 ÷ 4 = 3 × 125 × 8 =28 × 25 × 4 = 10000 ÷ 25 ÷ 4 = 3000 ÷ 125 ÷ 8 = 85 × 25 × 4 = 25 × 60 × 4 = 6600 ÷ 25 ÷ 4 = 24 × 25 × 4 = 18000 ÷ 125 ÷ 8 = 26 × 25 × 4 =20 × 125 × 8 = 6 × 125 × 8 = 125 × 6 × 8 =74 × 25 × 4 = 25 × 48 × 4 = 20000 ÷ 8 ÷ 125 = 125 × 10 × 8 = 19000 ÷ 125 ÷ 8 = 25 × 98 × 4 = 125 × 17 × 8 = 5900 ÷ 25 ÷ 4 = 8000 ÷ 4 ÷ 25 = 125 × 13 × 8 = 4 × 125 × 8 = 125 × 3 × 8 =12 × 25 × 4 = 16 × 125 × 8 = 3000 ÷ 4 ÷ 25 = 5500 ÷ 25 ÷ 4 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：10025 × 33 × 4 = 13000 ÷ 125 ÷ 8 = 25 × 79 × 4 =18 × 25 × 4 = 20000 ÷ 125 ÷ 8 = 34 × 25 × 4 =94 × 25 × 4 = 13 × 25 × 4 = 20 × 25 × 4 =14 × 25 × 4 = 8000 ÷ 125 ÷ 8 = 125 × 6 × 8 =16 × 125 × 8 = 25 × 58 × 4 = 12000 ÷ 4 ÷ 25 = 12 × 125 × 8 = 8000 ÷ 8 ÷ 125 = 125 × 16 × 8 = 11000 ÷ 8 ÷ 125 = 1000 ÷ 8 ÷ 125 = 8200 ÷ 25 ÷ 4 = 5 × 25 × 4 = 10000 ÷ 25 ÷ 4 = 18000 ÷ 125 ÷ 8 = 13 × 125 × 8 = 125 × 2 × 8 = 3 × 25 × 4 =800 ÷ 25 ÷ 4 = 62 × 25 × 4 = 10000 ÷ 4 ÷ 25 = 5000 ÷ 4 ÷ 25 = 67 × 25 × 4 = 20 × 125 × 8 = 7000 ÷ 25 ÷ 4 = 2900 ÷ 25 ÷ 4 = 6000 ÷ 125 ÷ 8 = 4000 ÷ 125 ÷ 8 = 25 × 49 × 4 = 6300 ÷ 25 ÷ 4 = 24 × 25 × 4 = 125 × 18 × 8 = 2000 ÷ 8 ÷ 125 = 2 × 125 × 8 = 96 × 25 × 4 = 11000 ÷ 25 ÷ 4 =8 × 125 × 8 = 16000 ÷ 8 ÷ 125 = 17 × 25 × 4 = 13000 ÷ 8 ÷ 125 = 6700 ÷ 25 ÷ 4 = 4 × 125 × 8 = 11000 ÷ 4 ÷ 25 = 4000 ÷ 25 ÷ 4 = 125 × 19 × 8 = 3000 ÷ 125 ÷ 8 = 9600 ÷ 25 ÷ 4 = 3 × 125 × 8 = 3000 ÷ 25 ÷ 4 = 25 × 34 × 4 = 25 × 98 × 4 =52 × 25 × 4 = 25 × 59 × 4 = 4000 ÷ 8 ÷ 125 = 15000 ÷ 4 ÷ 25 = 25 × 43 × 4 = 1700 ÷ 25 ÷ 4 = 1000 ÷ 4 ÷ 25 = 25 × 60 × 4 = 18 × 125 × 8 =56 × 25 × 4 = 7100 ÷ 25 ÷ 4 = 19000 ÷ 125 ÷ 8 = 2000 ÷ 4 ÷ 25 = 6000 ÷ 4 ÷ 25 = 1600 ÷ 25 ÷ 4 = 11 × 25 × 4 = 8400 ÷ 25 ÷ 4 = 25 × 73 × 4 = 7000 ÷ 125 ÷ 8 = 7000 ÷ 4 ÷ 25 = 6 × 25 × 4 = 9100 ÷ 25 ÷ 4 = 19000 ÷ 4 ÷ 25 = 17 × 125 × 8 = 9000 ÷ 125 ÷ 8 = 19 × 125 × 8 = 25 × 5 × 4 =25 × 12 × 4 = 20000 ÷ 4 ÷ 25 = 125 × 5 × 8 = 10000 ÷ 8 ÷ 125 = 54 × 25 × 4 = 25 × 91 × 4 = 14000 ÷ 4 ÷ 25 = 125 × 4 × 8 = 25 × 92 × 4 =25 × 26 × 4 = 4 × 25 × 4 = 16000 ÷ 125 ÷ 8 = 15 × 25 × 4 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：10010 × 125 × 8 = 28 × 25 × 4 = 6500 ÷ 25 ÷ 4 = 10000 ÷ 25 ÷ 4 = 17000 ÷ 4 ÷ 25 = 15 × 125 × 8 = 12000 ÷ 125 ÷ 8 = 125 × 16 × 8 = 125 × 20 × 8 = 14000 ÷ 25 ÷ 4 = 8200 ÷ 25 ÷ 4 = 16 × 125 × 8 = 200 ÷ 25 ÷ 4 = 125 × 14 × 8 = 25 × 48 × 4 =9 × 125 × 8 = 125 × 6 × 8 = 25 × 36 × 4 = 125 × 5 × 8 = 125 × 18 × 8 = 25 × 79 × 4 =25 × 60 × 4 = 125 × 4 × 8 = 25 × 32 × 4 = 3000 ÷ 4 ÷ 25 = 25 × 61 × 4 = 125 × 7 × 8 =74 × 25 × 4 = 125 × 19 × 8 = 8000 ÷ 8 ÷ 125 = 72 × 25 × 4 = 800 ÷ 25 ÷ 4 = 8 × 25 × 4 =19 × 125 × 8 = 25 × 59 × 4 = 125 × 9 × 8 = 3000 ÷ 25 ÷ 4 = 5 × 125 × 8 = 2 × 125 × 8 =6 × 125 × 8 = 25 × 92 × 4 = 4 × 125 × 8 = 1900 ÷ 25 ÷ 4 = 6000 ÷ 125 ÷ 8 = 13000 ÷ 4 ÷ 25 =125 × 10 × 8 = 2000 ÷ 4 ÷ 25 = 17 × 25 × 4 = 15000 ÷ 125 ÷ 8 = 15000 ÷ 4 ÷ 25 = 17 × 125 × 8 = 7000 ÷ 25 ÷ 4 = 10000 ÷ 8 ÷ 125 = 25 × 40 × 4 =20 × 125 × 8 = 8000 ÷ 4 ÷ 25 = 125 × 13 × 8 =18 × 25 × 4 = 18 × 125 × 8 = 4000 ÷ 125 ÷ 8 = 4000 ÷ 25 ÷ 4 = 1000 ÷ 8 ÷ 125 = 7300 ÷ 25 ÷ 4 = 1000 ÷ 125 ÷ 8 = 12000 ÷ 8 ÷ 125 = 19000 ÷ 125 ÷ 8 = 77 × 25 × 4 = 67 × 25 × 4 = 7000 ÷ 8 ÷ 125 = 5000 ÷ 125 ÷ 8 = 25 × 39 × 4 = 6000 ÷ 8 ÷ 125 = 125 × 12 × 8 = 15000 ÷ 8 ÷ 125 = 25 × 58 × 4 = 16000 ÷ 8 ÷ 125 = 20000 ÷ 4 ÷ 25 = 25 × 43 × 4 = 7000 ÷ 125 ÷ 8 = 25 × 89 × 4 = 25 × 99 × 4 =12 × 25 × 4 = 25 × 26 × 4 = 5100 ÷ 25 ÷ 4 = 5900 ÷ 25 ÷ 4 = 25 × 52 × 4 = 19000 ÷ 8 ÷ 125 = 25 × 17 × 4 = 24 × 25 × 4 = 18000 ÷ 125 ÷ 8 = 25 × 16 × 4 = 2400 ÷ 25 ÷ 4 = 16000 ÷ 125 ÷ 8 = 6000 ÷ 4 ÷ 25 = 12 × 125 × 8 = 25 × 73 × 4 =25 × 66 × 4 = 3000 ÷ 125 ÷ 8 = 25 × 34 × 4 =3 × 125 × 8 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：10013000 ÷ 8 ÷ 125 = 25 × 79 × 4 = 25 × 23 × 4 =125 × 5 × 8 = 8000 ÷ 4 ÷ 25 = 40 × 25 × 4 =17 × 25 × 4 = 5000 ÷ 125 ÷ 8 = 25 × 48 × 4 =125 × 16 × 8 = 25 × 43 × 4 = 25 × 59 × 4 = 19000 ÷ 125 ÷ 8 = 6000 ÷ 4 ÷ 25 = 25 × 52 × 4 =87 × 25 × 4 = 125 × 19 × 8 = 25 × 19 × 4 = 2000 ÷ 25 ÷ 4 = 7000 ÷ 125 ÷ 8 = 17000 ÷ 8 ÷ 125 = 17000 ÷ 25 ÷ 4 = 51 × 25 × 4 = 9000 ÷ 125 ÷ 8 = 5600 ÷ 25 ÷ 4 = 12 × 25 × 4 = 8 × 125 × 8 =25 × 40 × 4 = 9300 ÷ 25 ÷ 4 = 8200 ÷ 25 ÷ 4 = 10000 ÷ 8 ÷ 125 = 38 × 25 × 4 = 3000 ÷ 25 ÷ 4 =5 × 25 × 4 = 14 × 125 × 8 = 125 × 9 × 8 =25 × 26 × 4 = 19000 ÷ 4 ÷ 25 = 12 × 125 × 8 = 16000 ÷ 4 ÷ 25 = 5000 ÷ 25 ÷ 4 = 25 × 73 × 4 = 17000 ÷ 4 ÷ 25 = 18000 ÷ 125 ÷ 8 = 800 ÷ 25 ÷ 4 =125 × 4 × 8 = 2800 ÷ 25 ÷ 4 = 7000 ÷ 25 ÷ 4 = 19000 ÷ 8 ÷ 125 = 26 × 25 × 4 = 3000 ÷ 125 ÷ 8 = 25 × 27 × 4 = 84 × 25 × 4 = 12000 ÷ 125 ÷ 8 = 25 × 58 × 4 = 4500 ÷ 25 ÷ 4 = 3600 ÷ 25 ÷ 4 = 11000 ÷ 25 ÷ 4 = 20 × 125 × 8 = 77 × 25 × 4 =46 × 25 × 4 = 13000 ÷ 125 ÷ 8 = 18 × 25 × 4 = 10000 ÷ 4 ÷ 25 = 9500 ÷ 25 ÷ 4 = 24 × 25 × 4 = 125 × 12 × 8 = 15000 ÷ 8 ÷ 125 = 15 × 125 × 8 = 13 × 125 × 8 = 4000 ÷ 25 ÷ 4 = 74 × 25 × 4 =25 × 34 × 4 = 5900 ÷ 25 ÷ 4 = 125 × 20 × 8 =17 × 125 × 8 = 11000 ÷ 8 ÷ 125 = 8 × 25 × 4 = 15000 ÷ 125 ÷ 8 = 8000 ÷ 125 ÷ 8 = 18 × 125 × 8 = 25 × 70 × 4 = 8600 ÷ 25 ÷ 4 = 4 × 125 × 8 = 10000 ÷ 25 ÷ 4 = 6400 ÷ 25 ÷ 4 = 25 × 45 × 4 =96 × 25 × 4 = 72 × 25 × 4 = 9 × 25 × 4 =42 × 25 × 4 = 19000 ÷ 25 ÷ 4 = 16000 ÷ 125 ÷ 8 = 25 × 5 × 4 = 7800 ÷ 25 ÷ 4 = 25 × 91 × 4 = 3000 ÷ 4 ÷ 25 = 125 × 2 × 8 = 71 × 25 × 4 = 7000 ÷ 4 ÷ 25 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：1003000 ÷ 125 ÷ 8 = 25 × 33 × 4 = 14000 ÷ 125 ÷ 8 = 7000 ÷ 4 ÷ 25 = 2000 ÷ 8 ÷ 125 = 6200 ÷ 25 ÷ 4 = 25 × 75 × 4 = 2600 ÷ 25 ÷ 4 = 25 × 44 × 4 =125 × 18 × 8 = 25 × 48 × 4 = 12 × 25 × 4 = 2000 ÷ 125 ÷ 8 = 8800 ÷ 25 ÷ 4 = 13 × 125 × 8 = 85 × 25 × 4 = 7000 ÷ 125 ÷ 8 = 18000 ÷ 8 ÷ 125 = 87 × 25 × 4 = 62 × 25 × 4 = 19000 ÷ 125 ÷ 8 = 6700 ÷ 25 ÷ 4 = 25 × 58 × 4 = 3900 ÷ 25 ÷ 4 = 96 × 25 × 4 = 19 × 125 × 8 = 8000 ÷ 125 ÷ 8 = 12000 ÷ 125 ÷ 8 = 74 × 25 × 4 = 13000 ÷ 4 ÷ 25 = 19000 ÷ 4 ÷ 25 = 1000 ÷ 8 ÷ 125 = 4 × 125 × 8 =8 × 25 × 4 = 7500 ÷ 25 ÷ 4 = 7000 ÷ 8 ÷ 125 = 25 × 92 × 4 = 42 × 25 × 4 = 12 × 125 × 8 = 12000 ÷ 8 ÷ 125 = 6 × 125 × 8 = 125 × 8 × 8 = 125 × 20 × 8 = 7 × 125 × 8 = 25 × 32 × 4 =5000 ÷ 25 ÷ 4 = 58 × 25 × 4 = 4000 ÷ 125 ÷ 8 = 10 × 125 × 8 = 11000 ÷ 125 ÷ 8 = 25 × 12 × 4 = 6000 ÷ 125 ÷ 8 = 11000 ÷ 8 ÷ 125 = 25 × 13 × 4 = 7000 ÷ 25 ÷ 4 = 25 × 49 × 4 = 125 × 11 × 8 =14 × 25 × 4 = 17000 ÷ 125 ÷ 8 = 25 × 35 × 4 = 8200 ÷ 25 ÷ 4 = 17000 ÷ 8 ÷ 125 = 20 × 125 × 8 = 11 × 125 × 8 = 6000 ÷ 4 ÷ 25 = 25 × 2 × 4 =125 × 7 × 8 = 125 × 4 × 8 = 10000 ÷ 8 ÷ 125 = 125 × 9 × 8 = 16 × 125 × 8 = 32 × 25 × 4 = 5000 ÷ 125 ÷ 8 = 25 × 28 × 4 = 8000 ÷ 8 ÷ 125 = 54 × 25 × 4 = 6100 ÷ 25 ÷ 4 = 125 × 12 × 8 =77 × 25 × 4 = 29 × 25 × 4 = 25 × 66 × 4 =66 × 25 × 4 = 25 × 76 × 4 = 25 × 5 × 4 =15 × 125 × 8 = 78 × 25 × 4 = 10000 ÷ 25 ÷ 4 = 1000 ÷ 4 ÷ 25 = 52 × 25 × 4 = 25 × 60 × 4 =17 × 25 × 4 = 14000 ÷ 8 ÷ 125 = 18000 ÷ 125 ÷ 8 = 6400 ÷ 25 ÷ 4 = 11000 ÷ 4 ÷ 25 = 8000 ÷ 4 ÷ 25 = 1000 ÷ 125 ÷ 8 = 2000 ÷ 4 ÷ 25 = 3000 ÷ 4 ÷ 25 = 125 × 5 × 8 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：1001000 ÷ 125 ÷ 8 = 18000 ÷ 125 ÷ 8 = 24 × 25 × 4 =6 × 125 × 8 = 125 × 13 × 8 = 3 × 25 × 4 =6000 ÷ 8 ÷ 125 = 18000 ÷ 8 ÷ 125 = 25 × 59 × 4 =80 × 25 × 4 = 18 × 25 × 4 = 4 × 125 × 8 = 12000 ÷ 125 ÷ 8 = 17 × 125 × 8 = 1000 ÷ 4 ÷ 25 = 67 × 25 × 4 = 64 × 25 × 4 = 25 × 34 × 4 =46 × 25 × 4 = 5600 ÷ 25 ÷ 4 = 5 × 25 × 4 =25 × 4 × 4 = 16000 ÷ 125 ÷ 8 = 125 × 9 × 8 =25 × 73 × 4 = 11000 ÷ 4 ÷ 25 = 65 × 25 × 4 =25 × 49 × 4 = 125 × 6 × 8 = 16000 ÷ 8 ÷ 125 = 7000 ÷ 4 ÷ 25 = 19 × 125 × 8 = 25 × 12 × 4 = 5000 ÷ 125 ÷ 8 = 8000 ÷ 125 ÷ 8 = 17000 ÷ 8 ÷ 125 = 3000 ÷ 125 ÷ 8 = 12 × 25 × 4 = 125 × 4 × 8 =88 × 25 × 4 = 92 × 25 × 4 = 10000 ÷ 25 ÷ 4 = 87 × 25 × 4 = 2600 ÷ 25 ÷ 4 = 125 × 2 × 8 =25 × 66 × 4 = 34 × 25 × 4 = 23 × 25 × 4 =85 × 25 × 4 = 1000 ÷ 8 ÷ 125 = 28 × 25 × 4 = 5000 ÷ 8 ÷ 125 = 25 × 43 × 4 = 125 × 7 × 8 = 20000 ÷ 25 ÷ 4 = 13000 ÷ 8 ÷ 125 = 8000 ÷ 4 ÷ 25 = 16 × 125 × 8 = 3 × 125 × 8 = 1000 ÷ 25 ÷ 4 = 19000 ÷ 125 ÷ 8 = 54 × 25 × 4 = 125 × 15 × 8 = 25 × 40 × 4 = 18000 ÷ 4 ÷ 25 = 2500 ÷ 25 ÷ 4 = 9 × 125 × 8 = 7000 ÷ 8 ÷ 125 = 12 × 125 × 8 = 91 × 25 × 4 = 16000 ÷ 4 ÷ 25 = 125 × 19 × 8 = 12000 ÷ 4 ÷ 25 = 3900 ÷ 25 ÷ 4 = 3000 ÷ 25 ÷ 4 = 6400 ÷ 25 ÷ 4 = 62 × 25 × 4 = 8 × 125 × 8 =25 × 92 × 4 = 20000 ÷ 4 ÷ 25 = 25 × 79 × 4 =25 × 38 × 4 = 3000 ÷ 4 ÷ 25 = 7000 ÷ 25 ÷ 4 = 7000 ÷ 125 ÷ 8 = 25 × 91 × 4 = 4300 ÷ 25 ÷ 4 = 10000 ÷ 4 ÷ 25 = 99 × 25 × 4 = 9000 ÷ 125 ÷ 8 = 17 × 25 × 4 = 19000 ÷ 4 ÷ 25 = 25 × 27 × 4 = 6700 ÷ 25 ÷ 4 = 14000 ÷ 125 ÷ 8 = 125 × 11 × 8 = 25 × 48 × 4 = 25 × 58 × 4 = 14000 ÷ 4 ÷ 25 = 70 × 25 × 4 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：100125 × 18 × 8 = 24 × 25 × 4 = 25 × 72 × 4 = 18000 ÷ 125 ÷ 8 = 125 × 2 × 8 = 9 × 125 × 8 =27 × 25 × 4 = 5000 ÷ 125 ÷ 8 = 5400 ÷ 25 ÷ 4 = 6000 ÷ 125 ÷ 8 = 25 × 59 × 4 = 54 × 25 × 4 =125 × 16 × 8 = 3400 ÷ 25 ÷ 4 = 16 × 125 × 8 =25 × 79 × 4 = 125 × 19 × 8 = 42 × 25 × 4 =125 × 8 × 8 = 8 × 25 × 4 = 25 × 40 × 4 = 6000 ÷ 4 ÷ 25 = 3000 ÷ 4 ÷ 25 = 3 × 25 × 4 = 13000 ÷ 8 ÷ 125 = 25 × 36 × 4 = 16000 ÷ 8 ÷ 125 = 12 × 125 × 8 = 4000 ÷ 125 ÷ 8 = 17000 ÷ 125 ÷ 8 = 12000 ÷ 4 ÷ 25 = 5 × 25 × 4 = 6400 ÷ 25 ÷ 4 =3 × 125 × 8 = 73 × 25 ×4 = 800 ÷ 25 ÷ 4 =41 × 25 × 4 = 5 × 125 × 8 = 48 × 25 × 4 = 3000 ÷ 125 ÷ 8 = 9000 ÷ 125 ÷ 8 = 25 × 43 × 4 = 15000 ÷ 8 ÷ 125 = 68 × 25 × 4 = 13 × 125 × 8 =10000 ÷ 125 ÷ 8 = 6000 ÷ 8 ÷ 125 = 47 × 25 × 4 =25 × 71 × 4 = 1000 ÷ 25 ÷ 4 = 25 × 48 × 4 =34 × 25 × 4 = 9500 ÷ 25 ÷ 4 = 19 × 125 × 8 =17 × 25 × 4 = 10000 ÷ 25 ÷ 4 = 8000 ÷ 4 ÷ 25 = 125 × 15 × 8 = 10000 ÷ 4 ÷ 25 = 67 × 25 × 4 =125 × 5 × 8 = 25 × 74 × 4 = 125 × 10 × 8 = 15000 ÷ 125 ÷ 8 = 125 × 13 × 8 = 11 × 125 × 8 =25 × 34 × 4 = 16 × 25 × 4 = 25 × 60 × 4 =125 × 7 × 8 = 19000 ÷ 125 ÷ 8 = 8300 ÷ 25 ÷ 4 = 8200 ÷ 25 ÷ 4 = 8 × 125 × 8 = 12 × 25 × 4 = 3000 ÷ 25 ÷ 4 = 17000 ÷ 8 ÷ 125 = 14000 ÷ 8 ÷ 125 = 125 × 17 × 8 = 6700 ÷ 25 ÷ 4 = 84 × 25 × 4 =25 × 80 × 4 = 10000 ÷ 8 ÷ 125 = 12000 ÷ 8 ÷ 125 = 25 × 75 × 4 = 62 × 25 × 4 = 9000 ÷ 8 ÷ 125 = 87 × 25 × 4 = 125 × 6 × 8 = 77 × 25 × 4 =25 × 26 × 4 = 25 × 13 × 4 = 6 × 125 × 8 =25 × 92 × 4 = 46 × 25 × 4 = 7900 ÷ 25 ÷ 4 = 85 × 25 × 4 = 125 × 9 × 8 = 1000 ÷ 8 ÷ 125 = 25 × 98 × 4 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：1005 × 125 × 8 = 7000 ÷ 25 ÷ 4 = 9000 ÷ 25 ÷ 4 = 9000 ÷ 125 ÷ 8 = 2000 ÷ 8 ÷ 125 = 74 × 25 × 4 = 6400 ÷ 25 ÷ 4 = 20000 ÷ 125 ÷ 8 = 25 × 66 × 4 = 13 × 125 × 8 = 51 × 25 × 4 = 19000 ÷ 4 ÷ 25 = 12 × 125 × 8 = 25 × 74 × 4 = 6000 ÷ 4 ÷ 25 = 5000 ÷ 8 ÷ 125 = 5600 ÷ 25 ÷ 4 = 62 × 25 × 4 = 25 × 26 × 4 = 125 × 3 × 8 = 25 × 60 × 4 =25 × 73 × 4 = 46 × 25 × 4 = 25 × 40 × 4 =25 × 37 × 4 = 5000 ÷ 125 ÷ 8 = 25 × 35 × 4 = 4000 ÷ 8 ÷ 125 = 6000 ÷ 125 ÷ 8 = 17 × 125 × 8 = 16000 ÷ 125 ÷ 8 = 10000 ÷ 8 ÷ 125 = 34 × 25 × 4 = 5800 ÷ 25 ÷ 4 = 15 × 125 × 8 = 25 × 34 × 4 = 24 × 25 × 4 = 6700 ÷ 25 ÷ 4 = 125 × 16 × 8 = 8 × 25 × 4 = 15000 ÷ 125 ÷ 8 = 25 × 98 × 4 = 77 × 25 × 4 = 20 × 125 × 8 = 4000 ÷ 125 ÷ 8 =18 × 125 × 8 = 3000 ÷ 4 ÷ 25 = 25 × 43 × 4 =25 × 91 × 4 = 3000 ÷ 125 ÷ 8 = 90 × 25 × 4 = 16000 ÷ 4 ÷ 25 = 7000 ÷ 8 ÷ 125 = 15000 ÷ 8 ÷ 125 = 18000 ÷ 125 ÷ 8 = 2000 ÷ 4 ÷ 25 = 4 × 125 × 8 =87 × 25 × 4 = 12000 ÷ 8 ÷ 125 = 800 ÷ 25 ÷ 4 = 10000 ÷ 125 ÷ 8 = 25 × 88 × 4 = 19 × 125 × 8 =16 × 25 × 4 = 125 × 2 × 8 = 125 × 14 × 8 = 6100 ÷ 25 ÷ 4 = 96 × 25 × 4 = 7000 ÷ 125 ÷ 8 = 25 × 75 × 4 = 300 ÷ 25 ÷ 4 = 11000 ÷ 4 ÷ 25 = 7800 ÷ 25 ÷ 4 = 125 × 5 × 8 = 55 × 25 × 4 =25 × 92 × 4 = 25 × 6 × 4 = 7 × 125 × 8 =18 × 25 × 4 = 25 × 48 × 4 = 125 × 7 × 8 =11 × 125 × 8 = 1000 ÷ 4 ÷ 25 = 125 × 17 × 8 =85 × 25 × 4 = 1000 ÷ 8 ÷ 125 = 3300 ÷ 25 ÷ 4 = 25 × 12 × 4 = 16000 ÷ 8 ÷ 125 = 25 × 50 × 4 =125 × 6 × 8 = 125 × 10 × 8 = 6000 ÷ 25 ÷ 4 = 38 × 25 × 4 = 12000 ÷ 4 ÷ 25 = 2000 ÷ 125 ÷ 8 = 6 × 125 × 8 = 25 × 2 × 4 = 2300 ÷ 25 ÷ 4 = 19000 ÷ 8 ÷ 125 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：1006000 ÷ 125 ÷ 8 = 10 × 125 × 8 = 1000 ÷ 4 ÷ 25 = 96 × 25 × 4 = 18 × 125 × 8 = 27 × 25 × 4 = 16000 ÷ 8 ÷ 125 = 1100 ÷ 25 ÷ 4 = 7000 ÷ 125 ÷ 8 = 9000 ÷ 125 ÷ 8 = 25 × 46 × 4 = 25 × 40 × 4 = 6000 ÷ 4 ÷ 25 = 5600 ÷ 25 ÷ 4 = 20000 ÷ 25 ÷ 4 = 125 × 11 × 8 = 25 × 53 × 4 = 52 × 25 × 4 =83 × 25 × 4 = 25 × 48 × 4 = 125 × 15 × 8 = 13 × 125 × 8 = 100 ÷ 25 ÷ 4 = 98 × 25 × 4 = 7000 ÷ 25 ÷ 4 = 18000 ÷ 125 ÷ 8 = 25 × 24 × 4 = 15000 ÷ 8 ÷ 125 = 24 × 25 × 4 = 1000 ÷ 125 ÷ 8 = 25 × 59 × 4 = 25 × 55 × 4 = 15 × 125 × 8 = 6400 ÷ 25 ÷ 4 = 8 × 25 × 4 = 54 × 25 × 4 =25 × 67 × 4 = 16000 ÷ 4 ÷ 25 = 25 × 91 × 4 = 10000 ÷ 25 ÷ 4 = 25 × 34 × 4 = 2000 ÷ 125 ÷ 8 = 125 × 9 × 8 = 1000 ÷ 8 ÷ 125 = 125 × 10 × 8 =3000 ÷ 4 ÷ 25 = 34 × 25 × 4 = 3400 ÷ 25 ÷ 4 = 25 × 61 × 4 = 125 × 12 × 8 = 25 × 66 × 4 = 19000 ÷ 125 ÷ 8 = 3000 ÷ 125 ÷ 8 = 4000 ÷ 8 ÷ 125 = 9200 ÷ 25 ÷ 4 = 25 × 79 × 4 = 7000 ÷ 8 ÷ 125 = 5000 ÷ 8 ÷ 125 = 62 × 25 × 4 = 16 × 125 × 8 = 14 × 25 × 4 = 25 × 56 × 4 = 5000 ÷ 4 ÷ 25 = 19000 ÷ 4 ÷ 25 = 25 × 73 × 4 = 7800 ÷ 25 ÷ 4 = 25 × 20 × 4 = 25 × 76 × 4 = 6 × 125 × 8 = 7000 ÷ 4 ÷ 25 = 85 × 25 × 4 = 125 × 16 × 8 =8 × 125 × 8 = 9000 ÷ 4 ÷ 25 = 25 × 75 × 4 =17 × 25 × 4 = 125 × 19 × 8 = 5 × 125 × 8 =18 × 25 × 4 = 11000 ÷ 125 ÷ 8 = 25 × 58 × 4 = 125 × 4 × 8 = 25 × 95 × 4 = 25 × 81 × 4 = 10000 ÷ 4 ÷ 25 = 12000 ÷ 4 ÷ 25 = 25 × 60 × 4 =17 × 125 × 8 = 11000 ÷ 4 ÷ 25 = 87 × 25 × 4 = 18000 ÷ 4 ÷ 25 = 3000 ÷ 25 ÷ 4 = 125 × 5 × 8 =25 × 52 × 4 = 8200 ÷ 25 ÷ 4 = 5 × 25 × 4 = 8000 ÷ 125 ÷ 8 = 42 × 25 × 4 = 600 ÷ 25 ÷ 4 = 14000 ÷ 4 ÷ 25 =月日姓名:练习范围：乘法交换律和结合分秒成绩:律题数：10019 × 125 × 8 = 19000 ÷ 125 ÷ 8 = 54 × 25 × 4 = 125 × 16 × 8 = 3000 ÷ 125 ÷ 8 = 25 × 82 × 4 = 125 × 10 × 8 = 66 × 25 × 4 = 34 × 25 × 4 = 3700 ÷ 25 ÷ 4 = 25 × 56 × 4 = 15 × 125 × 8 =14 × 25 × 4 = 6000 ÷ 8 ÷ 125 = 125 × 19 × 8 =25 × 40 × 4 = 13 × 125 × 8 = 3900 ÷ 25 ÷ 4 = 14000 ÷ 8 ÷ 125 = 8700 ÷ 25 ÷ 4 = 9000 ÷ 25 ÷ 4 = 16000 ÷ 8 ÷ 125 = 24 × 25 × 4 = 2000 ÷ 4 ÷ 25 = 1000 ÷ 125 ÷ 8 = 25 × 92 × 4 = 18000 ÷ 125 ÷ 8 = 6600 ÷ 25 ÷ 4 = 18000 ÷ 4 ÷ 25 = 7800 ÷ 25 ÷ 4 = 14000 ÷ 4 ÷ 25 = 87 × 25 × 4 = 5 × 25 × 4 = 15000 ÷ 8 ÷ 125 = 25 × 43 × 4 = 7700 ÷ 25 ÷ 4 = 800 ÷ 25 ÷ 4 = 5000 ÷ 125 ÷ 8 = 46 × 25 × 4 = 125 × 5 × 8 = 7000 ÷ 25 ÷ 4 = 13000 ÷ 8 ÷ 125 = 25 × 98 × 4 = 67 × 25 × 4 = 125 × 15 × 8 =6700 ÷ 25 ÷ 4 = 125 × 4 × 8 = 39 × 25 × 4 =16 × 125 × 8 = 125 × 3 × 8 = 6000 ÷ 125 ÷ 8 = 1000 ÷ 4 ÷ 25 = 125 × 12 × 8 = 12 × 125 × 8 = 19000 ÷ 8 ÷ 125 = 19000 ÷ 4 ÷ 25 = 7000 ÷ 8 ÷ 125 = 25 × 66 × 4 = 19 × 25 × 4 = 12000 ÷ 125 ÷ 8 = 25 × 78 × 4 = 8400 ÷ 25 ÷ 4 = 5000 ÷ 8 ÷ 125 = 25 × 58 × 4 = 4400 ÷ 25 ÷ 4 = 17000 ÷ 4 ÷ 25 = 13000 ÷ 4 ÷ 25 = 25 × 73 × 4 = 7 × 125 × 8 = 9000 ÷ 125 ÷ 8 = 4100 ÷ 25 ÷ 4 = 10000 ÷ 25 ÷ 4 = 63 × 25 × 4 = 96 × 25 × 4 = 125 × 11 × 8 =18 × 25 × 4 = 125 × 8 × 8 = 25 × 34 × 4 = 13000 ÷ 125 ÷ 8 = 8000 ÷ 125 ÷ 8 = 83 × 25 × 4 =29 × 25 × 4 = 4300 ÷ 25 ÷ 4 = 6000 ÷ 4 ÷ 25 = 8 × 125 × 8 = 25 × 75 × 4 = 25 × 59 × 4 =17 × 25 × 4 = 20000 ÷ 8 ÷ 125 = 6400 ÷ 25 ÷ 4 = 74 × 25 × 4 = 25 × 49 × 4 = 25 × 48 × 4 =3 × 125 × 8 = 25 × 93 ×4 = 7000 ÷ 4 ÷ 25 = 125 × 13 × 8 = 5 × 125 × 8 = 200 ÷ 25 ÷ 4 = 125 × 2 × 8 =。
四年级下册数学口算(每天5分钟100题及答案)
四年级下册数学口算(每天5分钟100题及答案)四年级下册数学口算（每天5分钟100题及答案）一、加法口算：1. 67 + 42 =2. 38 + 56 =3. 72 + 29 =4. 45 + 63 =5. 86 + 71 =6. 35 + 49 =7. 57 + 64 =8. 91 + 38 =9. 69 + 33 =10. 83 + 27 =答案：1. 109 2. 94 3. 101 4. 108 5. 157 6. 84 7. 121 8. 129 9. 102 10. 110二、减法口算：1. 67 - 42 =2. 91 - 38 =4. 86 - 71 =5. 72 - 29 =6. 69 - 33 =7. 38 - 56 =8. 45 - 63 =9. 57 - 64 =10. 35 - 49 =答案：1. 25 2. 53 3. 56 4. 15 5. 43 6. 36 7. -18 8. -18 9. -7 10. -14三、乘法口算：1. 6 × 8 =2. 3 × 4 =3. 9 × 5 =4. 7 × 2 =5. 5 × 6 =6. 4 × 3 =7. 2 × 9 =8. 8 × 7 =10. 0 × 3 =答案：1. 48 2. 12 3. 45 4. 14 5. 30 6. 12 7. 18 8. 56 9. 2 10. 0四、除法口算：1. 18 ÷ 6 =2. 15 ÷ 3 =3. 36 ÷ 6 =4. 14 ÷ 2 =5. 49 ÷ 7 =6. 9 ÷ 3 =7. 42 ÷ 7 =8. 24 ÷ 8 =9. 20 ÷ 10 =10. 8 ÷ 4 =答案：1. 3 2. 5 3. 6 4. 7 5. 7 6. 3 7. 6 8. 3 9. 2 10. 2五、混合运算：1. 26 + 14 - 7 =2. 35 - 12 + 19 =3. 48 ÷ 6 + 5 =4. 3 × 4 + 8 =5. 22 + 34 - 12 =6. 15 - 6 + 2 =7. 7 × 8 - 13 =8. 24 ÷ 3 + 7 =9. 10 + 11 - 4 × 2 =10. 18 - 7 ÷ 2 =答案：1. 33 2. 42 3. 13 4. 20 5. 44 6. 11 7. 51 8. 15 9. 18 10. 15说明：以上为四年级下册数学口算练习题，每天做100道题目，时间限制5分钟。
四年级下册数学口算答练习题(可打印)
序号题目判断√×序号题目判断√×01 316+129= 26 583+349=02 987-673= 27 123+777=03 564-239= 28 276+339=04 800-371= 29 712-451=05 349+222= 30 600-350=06 98+411= 31 739-631=07 19+547= 32 316+372=08 120+97= 33 552-328=09 300+699= 34 446+521=10 329+508= 35 304-78=11 45+193= 36 832-528=12 803-404= 37 750-239=13 645-381= 38 254+297=14 720+97= 39 758-391=15 305+306= 40 87+332=16 463+290= 41 307+65=17 771-520= 42 108+344=18 712-450 43 588-111=19 340+180= 44 400+400=20 600-344= 45 369+258=21 741-248= 46 903-543=22 780-550= 47 514+61=23 523-123= 48 609+207=24 999-456= 49 333+321=25 713-309= 50 608+74=----------------------------------------折叠线----------------------------------------(01) 445 (02) 314 (03) 325 (04) 429 (05) 571 (06) 509 (07)566 (08) 217 (09) 999 (10) 837 (11) 238 (12) 399 (13) 264 (14) 817 (15) 611 (16) 753 (17) 251 (18) 262 (19) 520 (20) 256 (21) 493 (22) 230 (23) 400 (24) 543 (25) 404 (26) 932 (27) 900 (28) 615 (29) 261 (30) 250 (31) 108 (32) 688 (33) 224 (34) 967 (35) 226 (36) 304 (37) 511 (38) 551 (39) 367 (40) 372 (41) 372 (42) 452 (43) 477 (44) 800 (45) 627 (46) 360 (47) 575 (48) 816 (49) 654 (50) 682序号题目判断√×序号题目判断√×01 56+44= 26 98-38=02 72+50= 27 76-23=03 77+230= 28 387+201=04 531+62= 29 440-127=05 883-650= 30 117+402=06 1052-700= 31 862-307=07 108+433= 32 193+220=08 202+783= 33 921-643=09 38+502= 34 777-300=10 600-89= 35 599-303=11 473+98= 36 245+502=12 267-123= 37 390-236=13 808-598= 38 104+509=14 181+712= 39 1000-149=15 561-406= 40 103+406=16 669+38= 41 503+207=17 678-321= 42 69+440=18 327-199= 43 737-399=19 123+789= 44 203-87=20 490+510= 45 230-116=21 782-630= 46 333+630=22 1065-322= 47 503+503=23 187+230= 48 980-554=24 443-309= 49 650-560=25 77+660= 50 543-441=----------------------------------------折叠线----------------------------------------(01) 100 (02) 122 (03) 307 (04) 593 (05) 233 (06) 352 (07) 541 (08) 985 (09) 540 (10) 511 (11) 571 (12) 144 (13) 210 (14) 893 (15) 155 (16) 707 (17) 357 (18) 128 (19) 912 (20) 1000 (21) 152 (22) 733 (23) 417 (24) 134 (25) 737 (26) 60 (27) 53 (28) 588 (29) 313 (30) 519 (31) 555 (32) 413 (33) 278 (34) 477 (35) 296 (36) 747 (37) 154 (38) 613 (39) 851 (40) 509 (41) 710 (42) 509 (43) 338 (44) 116 (45) 114 (46) 963 (47) 1006 (48) 426 (49) 90 (50) 102序号题目判断√×序号题目判断√×01 520＋818＝26 555－352＝02 397＋229＝27 479－472＝03 270－254＝28 123＋887＝04 875－776＝29 973＋455＝05 335＋440＝30 910－458＝06 425－268＝31 776－318＝07 385＋326＝32 666－186＝08 495＋508＝33 863－371＝09 530＋920＝34 133＋656＝10 207－159＝35 359＋989＝11 497＋682＝36 497＋462＝12 597－469＝37 588－481＝13 892－699＝38 709－337＝14 233＋828＝39 327＋147＝15 259＋789＝40 348－101＝16 726－255＝41 355＋417＝17 385＋337＝42 767－710＝18 824＋783＝43 931＋402＝19 559－259＝44 474－454＝20 673－258＝45 117＋159＝21 746＋583＝46 531－450＝22 529＋243＝47 875＋417＝23 918＋406＝48 488－282＝24 107－104＝49 627－596＝25 402－386＝50 963＋231＝----------------------------------------折叠线----------------------------------------(01) 1338 (02) 626 (03) 16 (04) 99 (05) 775 (06) 157 (07)711 (08) 1003 (09) 1450 (10) 48 (11) 1179 (12) 128 (13) 193 (14) 1061 (15) 1048 (16) 471 (17) 722 (18) 1607 (19) 300 (20) 415 (21) 1329 (22) 772 (23) 1324 (24) 3 (25) 16 (26) 203 (27) 7 (28) 1010 (29) 1428 (30) 452 (31) 458 (32) 480 (33) 492 (34) 789 (35) 1348 (36) 959 (37) 107 (38) 372 (39) 474 (40) 247 (41) 772 (42) 57 (43) 1333 (44) 20 (45) 276 (46) 81 (47) 1292 (48) 206 (49) 31 (50) 1194序号题目判断√×序号题目判断√×01 882＋845＝26 185－179＝02 764－432＝27 202－189＝03 131＋980＝28 942－818＝04 280＋718＝29 761＋511＝05 327－165＝30 795＋619＝06 515＋816＝31 592－510＝07 266＋614＝32 277＋432=08 408－400＝33 507－464＝09 621－395＝34 479－254＝10 435－203＝35 318－285＝11 448＋493＝36 441－304＝12 457－442＝37 747＋395＝13 664＋492＝38 631＋417＝14 459－177＝39 388－380＝15 525＋754＝40 187－147＝16 638＋815＝41 637＋557＝17 946＋383＝42 560＋780＝18 469－442＝43 539＋208＝19 114＋811＝44 686＋413＝20 412－212＝45 115－109＝21 148－130＝46 557－103＝22 978－583＝47 731＋159＝23 164＋670＝48 836＋963＝24 252＋422＝49 376－280＝25 550＋813＝50 539－186＝----------------------------------------折叠线----------------------------------------(01) 1727 (02) 332 (03) 1111 (04) 998 (05) 162 (06) 1331 (07)880 (08) 8 (09) 226 (10) 232 (11) 941 (12) 15 (13) 1156 (14) 282 (15) 1270 (16) 1453 (17) 1329 (18) 27 (19) 923 (20) 200 (21) 18 (22) 395 (23) 834 (24) 674 (25) 1363 (26) 6 (27) 13 (28) 124 (29) 1272 (30) 1414 (31) 82 (32) 709 (33) 43 (34) 225 (35) 33 (36) 137 (37) 1142 (38) 1048 (39) 8 (40) 40 (41) 1194 (42) 1340 (43) 747 (44) 1099 (45) 6 (46) 454 (47) 890 (48) 1799 (49) 96 (50) 353序号题目判断√×序号题目判断√×01 146－123＝26 773－657＝02 304－228＝27 757＋434＝03 306＋101＝28 226－132＝04 374－264＝29 445＋567＝05 220－219＝30 155－145＝06 701＋497＝31 385＋301＝07 656＋362＝32 867－618＝08 990＋445＝33 404－166＝09 424－308＝34 259－146＝10 391－369＝35 498＋720＝11 521－331＝36 239＋454＝12 347＋968＝37 431－146＝13 285＋944＝38 701＋294＝14 461＋858＝39 808－512＝15 117＋466＝40 920－831＝16 475－400= 41 938－394＝17 237＋609＝42 552＋103＝18 359＋989＝43 281＋264＝19 804＋387＝44 166－112＝20 256＋687＝45 267－219＝21 162＋551＝46 549＋659＝22 971－209＝47 817＋962＝23 506－295＝48 764－453＝24 199－172＝49 459－320＝25 823－506＝50 120＋715＝----------------------------------------折叠线----------------------------------------(01) 23 (02) 76 (03) 407 (04) 110 (05) 1 (06) 1198 (07)1018 (08) 1445 (09) 116 (10) 22 (11) 190 (12) 1315 (13) 1229 (14) 1319 (15) 583 (16) 75 (17) 846 (18) 1348 (19) 1191 (20) 943 (21) 713 (22) 762 (23) 211 (24) 27 (25) 317 (26) 136 (27) 1191 (28) 94 (29) 1012 (30) 10 (31) 686 (32) 249 (33) 238 (34) 113 (35) 1218 (36) 693 (37) 285 (38) 995 (39) 296 (40) 89 (41) 544 (42) 655 (43) 545 (44) 54 (45) 48 (46) 1208 (47) 1779 (48) 311 (49) 139 (50) 835序号题目判断√×序号题目判断√×01 60×71＝26 480÷20＝02 50×82＝27 600÷60＝03 940÷20＝28 83×10＝04 680÷40＝29 30×75＝05 98×10＝30 640÷40＝06 330÷30＝31 10×73＝07 10×47＝32 740÷20＝08 89×20＝33 900÷30＝09 69×30＝34 27×60＝10 630÷90＝35 660÷30＝11 12×10＝36 750÷30＝12 400÷40＝37 68×20＝13 62×20＝38 320÷10＝14 120÷30＝39 550÷10＝15 720÷20＝40 63×20＝16 72×40＝41 940÷10＝17 250÷50＝42 240÷40＝18 22×60＝43 10×84＝19 600÷30＝44 880÷80＝20 80×13＝45 60×17＝21 300÷30＝46 26×90＝22 30×19＝47 700÷50＝23 900÷10＝48 20×16＝24 40×61＝49 170÷10＝25 100÷20＝50 17×60＝----------------------------------------折叠线----------------------------------------(01) 4260 (02) 4100 (03) 47 (04) 17 (05) 980 (06) 11 (07) 470 (08) 1780 (09) 2070 (10) 7 (11) 120 (12) 10 (13) 1240 (14) 4 (15) 36 (16) 2880 (17) 5 (18) 1320 (19) 20 (20) 1040 (21) 10 (22) 570 (23) 90 (24) 2440 (25) 5 (26) 24 (27) 10 (28) 830 (29) 2250 (30) 16 (31) 730 (32) 37 (33) 30 (34) 1629 (35) 22 (36) 25 (37) 1360 (38) 32 (39) 55 (40) 1260 (41) 94 (42) 6 (43) 840 (44) 11 (45) 1020 (46) 2340 (47) 14 (48) 320 (49) 17 (50) 1020序号题目判断√×序号题目判断√×01 560÷10＝26 5×86＝02 111×51＝27 210÷15＝03 50×68＝28 880÷8＝04 408÷24＝29 60×81＝05 120÷2＝30 735÷15＝06 560÷7＝31 54×96＝07 930÷15＝32 93×90＝08 120÷4＝33 240÷8＝09 870÷10＝34 646÷17＝10 800÷8＝35 78×35＝11 5×55＝36 58×90＝12 748÷17＝37 891÷11＝13 210÷7＝38 160÷4＝14 832÷13＝39 46×70＝15 50×13＝40 4×75＝16 350÷5＝41 651÷21＝17 74×3＝42 350÷7＝18 896÷16＝43 14×6＝19 62×30＝44 70×68＝20 247÷19＝45 475÷25＝21 420÷6＝46 980÷10＝22 26×6＝47 150÷5＝23 40×92＝48 32×3＝24 200÷4＝49 220÷11＝25 840÷20＝50 87×61＝----------------------------------------折叠线----------------------------------------(01) 56 (02) 5662 (03) 3400 (04) 17 (05) 60 (06) 80 (07)62 (08) 30 (09) 87 (10) 100 (11) 275 (12) 44 (13) 30 (14) 64 (15) 650 (16) 70 (17) 222 (18) 56 (19) 1860 (20) 13 (21) 70 (22) 156 (23) 3680 (24) 50 (25) 420 (26) 430 (27) 14 (28) 110 (29) 4860 (30) 49 (31) 5184 (32) 8370 (33) 30 (34) 38 (35) 2730 (36) 5220 (37) 81 (38) 40 (39) 3220 (40) 300 (41) 31 (42) 50 (43) 84 (44) 4760 (45) 19 (46) 98 (47) 30 (48) 96 (49) 20 (50) 5307序号题目判断√×序号题目判断√×01 560÷7＝26 4×82＝02 41×80＝27 41×50＝03 12×41＝28 500÷5＝04 88×1＝29 60×89＝05 60÷3＝30 20×75＝06 708÷6＝31 25×10＝07 12×34＝32 540÷6＝08 24×60＝33 2×66＝09 240÷3＝34 88×60＝10 29×9＝35 71×8＝11 918÷2＝36 160÷8＝12 72×90＝37 536÷4＝13 600÷6＝38 63×46＝14 16×5＝39 87×70＝15 730÷5＝40 60÷3＝16 44×14＝41 7×46＝17 630÷7＝42 90×47＝18 492÷3＝43 7×99＝19 8×28＝44 900÷9＝20 900÷4＝45 884÷4＝21 240÷3＝46 660÷10＝22 48×6＝47 72×27＝23 756÷6＝48 420÷7＝24 68×85＝49 68×7＝25 720÷8＝50 4×38＝----------------------------------------折叠线----------------------------------------(01) 80 (02) 3280 (03) 492 (04) 88 (05) 20 (06) 118 (07)408 (08) 1440 (09) 80 (10) 261 (11) 459 (12) 6480 (13) 100 (14) 80 (15) 146 (16) 616 (17) 90 (18) 164 (19) 224 (20) 225 (21) 80 (22) 288 (23) 126 (24) 5780 (25)90 (26) 328 (27) 2050 (28) 100 (29)5340 (30) 1500 (31) 250 (32) 90 (33) 132 (34) 5280 (35) 568 (36) 20 (37) 134 (38) 2898 (39) 6090 (40) 20 (41) 322 (42) 4230 (43) 693 (44) 100 (45) 221 (46) 66 (47) 1944 (48) 60 (49) 476 (50) 152序号题目判断√×序号题目判断√×01 40×8＝26 360÷4＝02 918÷3＝27 79×50＝03 220÷2＝28 460÷10＝04 60×16＝29 93×6＝05 81×71＝30 896÷2＝06 92×5＝31 560÷7＝07 525÷15＝32 8×15＝08 140÷2＝33 89×67＝09 391÷17＝34 56×20＝10 390÷15＝35 25×85＝11 360÷9＝36 360÷9＝12 13×7＝37 99×39＝13 630÷15＝38 74×3＝14 714÷3＝39 374÷17＝15 483÷21＝40 27×50＝16 53×9＝41 308÷14＝17 420÷15＝42 3×39＝18 80×45＝43 65×60＝19 52×55＝44 714÷6＝20 8×76＝45 36×88＝21 168÷12＝46 71×90＝22 90×98＝47 740÷10＝23 790÷5＝48 59×9＝24 765÷15＝49 336÷16＝25 90×22＝50 660÷4＝----------------------------------------折叠线----------------------------------------(01) 320 (02) 306 (03) 110 (04) 960 (05) 5751 (06) 460 (07)35 (08) 70 (09)23 (10) 26 (11) 40 (12) 91 (13) 42 (14) 238 (15) 23 (16) 477 (17) 28 (18) 3600 (19) 2860 (20) 608 (21) 14 (22) 8820 (23)158 (24)51 (25) 1980 (26) 90 (27) 3950 (28) 46 (29) 558 (30) 448 (31) 80 (32) 120 (33) 5963 (34) 1120 (35) 2125 (36) 40 (37) 3861 (38) 222 (39) 22 (40) 1350 (41) 22 (42) 117 (43) 3900 (44) 119 (45)3168 (46) 6390 (47) 74 (48) 531 (49) 21 (50) 165序号题目判断√×序号题目判断√×01 390÷15＝26 76×54＝02 27×53＝27 374÷17＝03 700÷5＝28 18×70＝04 98×27＝29 400÷8＝05 464÷4＝30 420÷15＝06 10×23＝31 80×85＝07 954÷6＝32 720÷9＝08 53×81＝33 168÷12＝09 590÷5＝34 50×22＝10 630÷15＝35 210÷3＝11 50×51＝36 99×21＝12 896÷4＝37 548÷2＝13 740÷10＝38 90×57＝14 51×10＝39 654÷6＝15 728÷4＝40 765÷15＝16 48×60＝41 28×57＝17 546÷3＝42 775÷5＝18 69×4＝43 525÷15＝19 423÷3＝44 19×90＝20 308÷14＝45 260÷2＝21 40×39＝46 38×18＝22 640÷2＝47 992÷4＝23 9×34＝48 34×72＝24 565÷5＝49 336÷16＝25 74×36＝50 30×32＝----------------------------------------折叠线----------------------------------------(01) 26 (02) 1431 (03) 140 (04) 2646 (05) 116 (06) 230 (07)159 (08) 4293 (09) 118 (10) 42 (11) 2550 (12) 226 (13) 74 (14)510 (15) 182 (16) 2880 (17) 182 (18) 276 (19) 141 (20) 22 (21) 1560 (22) 320 (23) 306 (24) 113 (25) 2664 (26) 4104 (27) 22 (28) 1260 (29) 50 (30) 28 (31) 6800 (32) 80 (33)14 (34) 1100 (35) 70 (36) 2079 (37)274 (38) 5130 (39) 109 (40) 51 (41) 1596 (42) 155 (43) 35 (44) 1710 (45) 130 (46) 684 (47) 248 (48) 2448 (49) 21 (50) 960序号题目判断√×序号题目判断√×01 8.39－8.35＝26 8.73＋8.85＝02 3.19－1.39＝27 7.23－4.22＝03 5.84＋3.42＝28 4.25－2.96＝04 2.64＋2.95＝29 1.36＋2.78＝05 8.27－8.11＝30 9.36－7.8＝06 6.5＋1.57＝31 3.62＋5.33＝07 2.51＋7.88＝32 6.26－5.44＝08 7.34＋8.04＝33 9.66－5.67＝09 6.7－3.52＝34 1.69＋7.37＝10 1.04＋9.53＝35 4.47－1.03＝11 5.21＋8.02＝36 8.59＋4.93＝12 4.11＋1.31＝37 9.9－7.13＝13 2.24＋5.18＝38 9.36－7.71＝14 4.29＋8.21＝39 3.53－2.33＝15 7.71－6.26＝40 9.99＋1.43＝16 6.87＋5.04＝41 9.06－6.22＝17 9.95－8.02＝42 5.76＋3.22＝18 4.67＋2.91＝43 9.78－6.47＝19 3.88＋7.47＝44 5.7－2.65＝20 8.22－4.97＝45 8.77＋5.99＝21 1.02＋6.9＝46 8.81－4.73＝22 9.19＋5.29＝47 5.71＋6.23＝23 2.4＋9.95＝48 9.15－6.67＝24 8.43－7.25＝49 5.59＋4.5＝25 5.97＋3.23＝50 8.92－1.78＝----------------------------------------折叠线----------------------------------------(01) 0.04 (02) 2.52 (03) 9.26 (04) 5.59 (05) 0.16 (06)8.07 (07)10.39 (08)15.38 (09) 3.18 (10)10.57 (11)13.33 (12)5.42 (13) 7.42 (14)12.50 (15) 1.45 (16)11.91 (17)1.93 (18) 7.51 (19)11.35 (20)13.19 (21)7.92 (22)14.48 (23)12.35 (24)1.18 (25) 9.2 (26)17.58 (27)3.01 (28)1.29 (29)4.14 (30) 1.56 (31)8.95 (32) 0.82 (33)3.99 (34)9.06 (35)3.44 (36)13.52 (37)2.77 (38)1.65 (39)1.2 (40)11.42 (41)2.84 (42)8.98 (43)3.31 (44)3.05 (45)14.76 (46)4.08 (47)11.94 (48)2.48 (49)10.09 (50)7.14序号题目判断√×序号题目判断√×01 9.74－4.59＝26 4.86－2.33＝02 6.73＋7.53＝27 3.39＋8.75＝03 1.91－1.76＝28 9.04＋7.89＝04 3.97＋3.73＝29 5.63＋2.41＝05 1.45＋1＝30 9.18－2.62＝06 3.4－3.07＝31 3.82＋4.52＝07 4.76＋2.47＝32 8.81＋1.87＝08 7.37＋6.1＝33 8.11－2.67＝09 6.4－5.63＝34 7.02＋8.79＝10 1.79＋4.02＝35 9.1＋6.09＝11 8.61－8.13＝36 7.78－4.52＝12 9.41－7.88＝37 5.74＋3.04＝13 9.68＋6.06＝38 9.88－7.99＝14 5.59－5.18＝39 2.06＋5.86＝15 5.63－1.9＝40 9.24－7.85＝16 5.91＋3.15＝41 2.21＋9.74＝17 9.57－8.85＝42 8.07＋3.04＝18 8.98＋8.49＝43 5.52＋4.88＝19 4.61＋7.39＝44 8.3＋5.43＝20 4.23＋3.26＝45 6.55－2.15＝21 7.58＋2.32＝46 9.46＋2.83＝22 3.66－2.37＝47 8.87－2.11＝23 4.94＋5.29＝48 9.83＋4.09＝24 7.16＋7.51＝49 4.2－1.73＝25 1.85－1.13＝50 7.47－6.93----------------------------------------折叠线----------------------------------------(01)5.15 (02)14.26 (03)0.15 (04)7.7 (05)2.45 (06)0.33 (07)7.23 (08)13.47 (09)0.77 (10)5.81 (11)0.48 (12)1.53 (13)15.74 (14)0.41 (15)3.73 (16)9.06 (17)0.72 (18)17.47 (19)12 (20)7.49 (21)9.9 (22)1.29 (23)10.23 (24)14.67 (25)7.72 (26)2.53 (27)12.14 (28)16.93 (29)8.04 (30)6.56 (31)8.34 (32)10.68 (33)5.44 (34)15.81 (35)15.19 (36)3.26 (37)8.78 (38)1.89 (39)7.92 (40)1.39 (41)11.95 (42)11.11 (43)10.4 (44)13.73 (45)4.4 (46)12.29 (47)6.76 (48)13.92 (49)2.47 (50)0.54序号题目判断√×序号题目判断√×01 76.59＋73.23＝26 70.36－24.99＝02 24.83＋29.32＝27 71.93－66.62＝03 76.93＋66.44＝28 81.34＋24.53＝04 78.81－77.4＝29 37.33＋80.74＝05 96.86－59.32＝30 84.64－27.72＝06 62.92－45.45＝31 38.23－34.08＝07 94.02＋94.01＝32 84.05＋34.19＝08 27.8－20.87＝33 28.45－19.83＝09 69.77＋57.95＝34 58.52＋66.94＝10 37.54－23.76＝35 10.58－10.15＝11 78.58＋79.91＝36 18.94－11.71＝12 10.35－10.29＝37 99.87＋41.62＝13 91.15－52.59＝38 57.91－10.07＝14 92.18＋18.63＝39 61.66－35.45＝15 85.82＋88.98＝40 96.47－43.47＝16 52.53－33.16＝41 70.61－27.3＝17 64.75＋70.4＝42 86.99－50.42＝18 59.72＋13.42＝43 35.6＋11.76＝19 35.87－34.55＝44 74.17－29.47＝20 29.14＋28.06＝45 68.48－53.78＝21 22.95＋32.56＝46 86＋21.69＝22 67.69＋30.87＝47 66.39＋52.32＝23 24.84－24.02＝48 47.84－22.02＝24 73.83－45.13＝49 17.71－17.02＝25 21.36－15.79＝50 80.7＋32.27＝----------------------------------------折叠线----------------------------------------(01)149.82 (02)54.15 (03)143.37 (04)1.41 (05)37.54 (06)17.47 (07)188.03 (08)6.93 (09)127.72 (10)13.78 (11)158.49 (12)0.06 (13)38．56 (14)110.81 (15)174.8 (16)19.37 (17)135.15 (18)73.14 (19)1.32 (20)57.2 (21)55.51 (22)98.56 (23)48.86 (24)28.7 (25)5.57 (26)45.37 (27)5.31 (28)105.87 (29)118.07 (30)56.92 (31)4.15 (32)118.24 (33)8.62 (34)125.46 (35)0.43 (36)7.23 (37)141.49 (38)47.84 (39)26.21 (40)53 (41)43.31 (42)36.57 (43)47.36 (44)44.7 (45)14.7 (46)107.69 (47)118.71 (48)25.82 (49)0.69 (50)112.97序号题目判断√×序号题目判断√×01 86.81＋10.34＝26 49.36－45.6=02 55.54－33.04＝27 30.88－19.01＝03 20.85－17.92＝28 30.88－10.88＝04 50.3－21.69＝29 13.87－12.49＝05 26.68－23.55＝30 24.02＋94.48＝06 29.26＋82.85＝31 40.56＋92.04＝07 99.72＋38.21＝32 24.05－18.98＝08 74.25＋12.21＝33 83.24＋24.95＝09 29.3－12.96＝34 51.18－19.06＝10 49.87－10.86＝35 23.08＋38.06＝11 45.13＋98.03＝36 19.67＋88.8＝12 47.07－22.96＝37 66.21＋69.17＝13 41.5－27.11＝38 19.56－16.78＝14 54.81－25.56＝39 85.96－23.98＝15 66.54＋36.33＝40 98.44－43.48＝16 98.67－38.48＝41 85.67－45.82＝17 71.41＋27.25＝42 49.84＋66.79＝18 45.07＋84.21＝43 62.18＋75.14＝19 65.88－11.39＝44 97.91－10.24＝20 53.75＋31.9＝45 62.26－30.91＝21 39.16＋67.5＝46 34.89＋50.11＝22 82.65＋57.82＝47 94.61－29.23＝23 55.69＋55.52＝48 46.46＋28.92＝24 51.18－35.54＝49 90.2＋61.68＝25 38.87＋62.6＝50 66.47＋28.61＝----------------------------------------折叠线----------------------------------------(01)97.15 (02)22.5 (03)2.93 (04)28.61 (05)3.13 (06)112.11 (07)137.93 (08)86.46 (09)16.34 (10)39.01 (11)143.16 (12)24.11 (13)14.39 (14)29.25 (15)102.87 (16)60.19 (17)98．66 (18)129.28 (19)54.49 (20)85.65 (21)106.66 (22)140.47 (23)111.21 (24)15.64 (25)101.47 (26)3.76 (27)11.87 (28)20 (29)1.38 (30)118.5 (31)132.6 (32)5.07 (33)108.19 (34)32.12 (35)61.14 (36)108.47 (37)135.38 (38)2.78 (39)61.98 (40)54.96 (41)39.85 (42)116.63 (43)137.32 (44)87.67 (45)31.35 (46)85 (47)65.38 (48)75.38 (49)151.88 (50)95.08序号题目判断√×序号题目判断√×01 6.81＋6.41＝26 6.58－5.59＝02 33.83＋79.9＝27 70.55－50.2＝03 7.71＋2.91＝28 73.27＋51.34＝04 49.14＋23.75＝29 7.14－1.34＝05 3.87＋8.1＝30 58.9＋99.05＝06 12.33－11.51＝31 6.12－2.93＝07 7.82－7.08＝32 24.1－11.98＝08 2.1＋9.82＝33 7.44＋4.6＝09 30.52－23.62＝34 39.17－30.59＝10 61.22－56.98＝35 5.04－4.82＝11 3.32－1.77＝36 1.58＋2.21＝12 25.89＋99.74＝37 61.91－53.14＝13 2.18＋4.06＝38 7.79－4.14＝14 41.8＋60.75＝39 5.95－5.16＝15 7.03－3.01＝40 22.27－15.36＝16 21.73＋97.21＝41 5.14＋6.66＝17 7.99＋7.73＝42 76.67－45.13＝18 81.46－30.65＝43 66.17＋34.61＝19 39.82＋55.57＝44 9.95－8.83＝20 6.42＋1.19＝45 25.09－23.73＝21 20.55－20.36＝46 5.33＋2.16＝22 8.31＋4.84＝47 68.37－42.31＝23 97.09＋58.15＝48 7.75－1.46＝24 6.54－3.6＝49 56.32＋88.49＝25 8.36－2.32＝50 63.03－11.86＝----------------------------------------折叠线----------------------------------------(01)13.22 (02)113.73 (03)10.62 (04)72.89 (05)11.97 (06)0.82 (07)0.74 (08)11.92 (09)6.9 (10)4.24 (11)1.55 (12)125.63 (13)6.24 (14)102.55 (15)4.02 (16)118.94 (17)15.72 (18)50.81 (19)95.39 (20)7.61 (21)0.19 (22)13.15 (23)155.24 (24)2.94 (25)6.04 (26)0.99 (27)20.35 (28)124.61 (29)5.8 (30)157.95 (31)3.19 (32)12.12 (33)12.04 (34)8.58 (35)0.22 (36)3.79 (37)8.77 (38)3.65 (39)0.79 (40)6.91 (41)11.8 (42)31.54 (43)100.78 (44)1.12 (45)1.36 (46)7.49 (47)26.06 (48)6.29 (49)144.81 (50)51.17序号题目判断√×序号题目判断√×01 316＋384＋9＝26 384＋274＋116＝02 3＋897＋38＝27 349＋451＋115＝03 384＋165＋16＝28 324＋212＋76＝04 121＋679＋53＝29 779＋21＋96＝05 626＋74＋232＝30 253＋23＋147＝06 83＋260＋117＝31 43＋284＋57＝07 38＋769＋62＝32 400＋200＋324＝08 48＋189＋152＝33 149＋551＋175＝09 436＋464＋59＝34 644＋56＋44＝10 883＋17＋28＝35 330＋593＋70＝11 44＋333＋356＝36 160＋40＋21＝12 365＋335＋228＝37 122＋78＋564＝13 40＋29＋360＝38 240＋196＋160＝14 3＋257＋397＝39 126＋774＋73＝15 122＋478＋97＝40 336＋364＋68＝16 389＋94＋411＝41 65＋353＋535＝17 39＋561＋217＝42 468＋132＋99＝18 147＋492＋353＝43 8＋250＋92＝19 280＋120＋242＝44 48＋462＋152＝20 197＋102＋3＝45 71＋329＋299＝21 160＋140＋208＝46 229＋371＋161＝22 38＋637＋62＝47 117＋83＋413＝23 219＋320＋281＝48 97＋414＋303＝24 598＋302＋14＝49 885＋15＋52＝25 348＋352＋162＝50 32＋336＋68＝----------------------------------------折叠线----------------------------------------参考答案（千以内的凑整加法巧算-01）(01)709 (02)938 (03)565 (04)853 (05)932 (06)460 (07)869 (08)389 (09)959 (10)928 (11)733 (12)928 (13)429 (14)657 (15)697 (16)894 (17)817 (18)992 (19)642 (20)302 (21)508 (22)737 (23)820 (24)914 (25)862 (26)774 (27)915 (28)612 (29)896 (30)423 (31)384 (32)924 (33)875 (34)74 (35)993 (36)221 (37)764 (38)596 (39)973 (40)768 (41)953 (42)699 (43)350 (44)662 (45)699 (46)761 (47)613 (48)814 (49)952 (50)436序号题目判断√×序号题目判断√×01 104＋96＋391＝26 86＋286＋14＝02 21＋117＋679＝27 6＋247＋694＝03 25＋277＋75＝28 6＋494＋341＝04 67＋333＋498＝29 577＋115＋223＝05 182＋202＋418＝30 21＋179＋719＝06 69＋431＋70＝31 207＋193＋317＝07 216＋184＋371＝32 298＋104＋402＝08 2＋297＋198＝33 6＋394＋298＝09 48＋324＋52＝34 75＋732＋25＝10 448＋45＋452＝35 73＋627＋79＝11 370＋230＋310＝36 193＋79＋707＝12 711＋189＋7＝37 94＋306＋97＝13 87＋113＋513＝38 195＋705＋30＝14 163＋303＋237＝39 391＋22＋509＝15 218＋382＋17＝40 164＋436＋41＝16 103＋311＋197＝41 454＋346＋143＝17 359＋41＋515＝42 622＋239＋78＝18 223＋477＋52＝43 222＋478＋134＝19 161＋539＋44＝44 329＋371＋122＝20 53＋227＋47＝45 568＋44＋232＝21 530＋70＋92＝46 248＋252＋74＝22 131＋611＋69＝47 296＋204＋472＝23 778＋22＋97＝48 81＋283＋319＝24 466＋434＋7＝49 49＋151＋628＝25 174＋26＋741＝50 233＋180＋567＝----------------------------------------折叠线----------------------------------------(01)591 (02)817 (03)377 (04)898 (05)802 (06)570 (07)771 (08)497 (09)424 (10)945 (11)910 (12)907 (13)713 (14)703 (15)617 (16)611 (17)915 (18)752 (19)744 (20)327 (21)692 (22)811 (23)897 (24)907 (25)941 (26)386 (27)947 (28)841 (29)915 (30)919 (31)717 (32)804 (33)698 (34)832 (35)779 (36)979 (37)497 (38)930 (39)922 (40)641 (41)943 (42)939 (43)834 (44)822 (45)844 (46)574 (47)972 (48)683 (49)828 (50)980序号题目判断√×序号题目判断√×01 57－6－16＝26 88－8－20＝02 66－34＋28＝27 10×7＋27＝03 86×5－121＝28 51＋67＋17＝04 51－8×6＝29 51－20－10＝05 84×7－142＝30 88－22×4＝06 33×6＋67＝31 87＋46－132＝07 23＋53＋12＝32 30×2＋61＝08 15＋17＋17＝33 19＋63－2＝09 79－44＋84＝34 95＋78－41＝10 37－16＋56＝35 75＋91＋14＝11 37×2×7＝36 18×4－61＝12 66×4－235＝37 73＋46×8＝13 30＋69－84＝38 62＋91×5＝14 10×9×9＝39 51－44－3＝15 93×7＋86＝40 35＋98×2＝16 64＋76＋41＝41 37－26＋66＝17 68－47－10＝42 44＋4－31＝18 78＋47×2＝43 76＋31＋97＝19 87＋93＋5＝44 22×4－18＝20 11×3－26＝45 66＋74×9＝21 75＋86－18＝46 86×8＋60＝22 87×5＋3＝47 27－4－8＝23 14＋63×6＝48 5－2＋77＝24 73×9－498＝49 97×3－17＝25 69－55＋50＝50 30－11＋8＝----------------------------------------折叠线----------------------------------------(01)35 (02)60 (03)309 (04)3 (05)446 (06)265 (07)88 (08)49 (09)119 (10)77 (11)518 (12)29 (13)15 (14)810 (15)737 (16)181 (17)11 (18)172 (19)185 (20)7 (21)143 (22)438 (23)392 (24)159 (25)64 (26)60 (27)97 (28)135 (29)21 (30)0 (31)1 (32)121 (33)80 (34)132 (35)180 (36)11 (37)441 (38)517 (39)4 (40)231 (41)77 (42)17 (43)204 (44)70 (45)732 (46)748 (47)15 (48)80 (49)274 (50)27序号题目判断√×序号题目判断√×01 54＋96－55＝26 54×7×3＝02 86＋24×8＝27 31－18＋13＝03 92＋71－127＝28 88－7－63＝04 81×2＋1＝29 44×6＋74＝05 87－50－20＝30 73＋25＋7＝06 11－2－7＝31 90×2＋25＝07 65×3＋52＝32 23×8＋4＝08 28＋25－34＝33 98－47－27＝09 26＋92×7＝34 83＋43＋22＝10 60－51＋45＝35 34×5＋11＝11 81－43＋23＝36 53×5－81＝12 73＋47×5＝37 46－23－7＝13 70×6－20＝38 82＋26－16＝14 64＋36×3＝39 20＋86－92＝15 21×6＋14＝40 99＋89－142＝16 8×4－23＝41 49×7＋79＝17 36×9－108＝42 59－37＋54＝18 76＋17＋57＝43 90×5＋17＝19 40＋97×4＝44 99＋85－72＝20 11×6×3＝45 91－7－7＝21 63－59－2＝46 95－30＋92＝22 46×6＋60＝47 72×8×8＝23 75－36－26＝48 33＋33＋91＝24 9＋1＋56＝49 59×6＋98＝25 41＋67×9＝50 22＋69＋22＝----------------------------------------折叠线----------------------------------------(01)95 (02)278 (03)36 (04)163 (05)17 (06)2 (07)247 (08)19 (09)670 (10)54 (11)61 (12)308 (13)400 (14)172 (15)140 (16)9 (17)216 (18)150 (19)428 (20)198 (21)2 (22)336 (23)13 (24)66 (25)644 (26)1134 (27)26 (28)18 (29)338 (30)105 (31)205 (32)188 (33)24 (34)148 (35)181 (36)184 (37)16 (38)92 (39)14 (40)46 (41)422 (42)76 (43)467 (44)112 (45)77 (46)157 (47)4608 (48)157 (49)452 (50)113序号题目判断√×序号题目判断√×01 33×6×6＝26 14－13＋71＝02 96×5＋29＝27 52－8＋99＝03 94×4＋57＝28 22＋81×6＝04 5×8＋52＝29 20＋28－28＝05 98－80－7＝30 89＋33×3＝06 40×8＋81＝31 46－37－7＝07 45＋76＋83＝32 48－14－26＝08 23×9＋49＝33 9×8－46＝09 60×6－184＝34 17＋44－24＝10 82＋99－141＝35 62×7＋99＝11 59×8－162＝36 57×6－318＝12 44－35－6＝37 60×4×8＝13 89＋82＋90＝38 96－68－27＝14 90×6－117＝39 80－41－30＝15 31＋23－12＝40 94－17＋10＝16 81×4＋73＝41 14＋23＋29＝17 60－5－46＝42 30×3－30＝18 54×3＋39＝43 79×3－133＝19 42＋91×8＝44 82×8×2＝20 83＋35＋52＝45 78＋19×8＝21 37＋50＋2＝46 9×9－34＝22 90＋13＋30＝47 49＋21－56＝23 27×7×9＝48 68＋43＋18＝24 77＋71×3＝49 80＋6－4＝25 30×8＋26＝50 7×3＋48＝----------------------------------------折叠线----------------------------------------(01)1188 (02)509 (03)433 (04)92 (05)11 (06)401 (07)204 (08)256 (09)176 (10)40 (11)310 (12)3 (13)261 (14)423 (15)42 (16)397 (17)9 (18)201 (19)770 (20)170 (21)89 (22)133 (23)1701 (24)290 (25)266 (26)72 (27)143 (28)508 (29)20 (30)188 (31)2 (32)8 (33)26 (34)37 (35)533 (36)24 (37)1920 (38)1 (39)9 (40)87 (41)66 (42)60 (43)104 (44)1312 (45)230 (46)47 (47)14 (48)129 (49)82 (50)69序号题目判断√×序号题目判断√×01 507－221÷17＝26 966＋558÷31＝02 816＋187÷17＝27 540－300÷12＝03 461－315÷15＝28 443－10×35＝04 63＋19×2＝29 57＋17×7＝05 151－70×2＝30 263＋20×14＝06 571－98÷7＝31 878＋528÷16＝07 362＋288÷18＝32 346＋288÷18＝08 849－182÷7＝33 186＋10×77＝09 179＋30×18＝34 275＋28×14＝10 106－39×2＝35 64＋10×18＝11 151＋12×12＝36 426－144÷8＝12 615＋444÷37＝37 801＋100÷5＝13 576－22×5＝38 92＋51×2＝14 757－552÷23＝39 888＋486÷27＝15 427＋33×13＝40 200－91×2＝16 580－11×47＝41 630－28×13＝17 856－33×13＝42 968－17×50＝18 735＋150÷5＝43 445－80÷5＝19 696－17×12＝44 293＋126÷9＝20 541＋456÷38＝45 59＋16×24＝21 495＋105÷7＝46 764－207÷9＝22 404＋18×9＝47 325－11×21＝23 334＋25×15＝48 483＋28×16＝24 848－748÷44＝49 968－850÷50＝25 67＋33×24＝50 684＋375÷15＝----------------------------------------折叠线----------------------------------------(01)494 (02)827 (03)440 (04)101 (05)11 (06)557 (07)378 (08)823 (09)719 (10)28 (11)295 (12)627 (13)466 (14)733 (15)856 (16)63 (17)427 (18)765 (19)492 (20)553 (21)510 (22)566 (23)709 (24)831 (25)859 (26)984 (27)515 (28)93 (29)176 (30)543 (31)911 (32)362 (33)956 (34)667 (35)244 (36)408 (37)821 (38)194 (39)906 (40)18 (41)266 (42)118 (43)429 (44)307 (45)443 (46)741 (47)94 (48)931 (49)951 (50)709序号题目判断√×序号题目判断√×01 449＋350÷25＝26 449－13×25＝02 180－129÷3＝27 90＋12×23＝03 226＋12×42＝28 401－10×31＝04 390－13×20＝29 897－350÷10＝05 200＋11×5＝30 283＋144÷12＝06 695－13×30＝31 513＋28×8＝07 746－210÷6＝32 124＋13×25＝08 494＋221÷17＝33 689＋540÷18＝09 980＋240÷16＝34 709＋34×8＝10 623－17×7＝35 910－37×19＝11 353＋280÷20＝36 927＋99÷3＝12 367－280÷20＝37 501＋32×7＝13 850－27×16＝38 733－462÷14＝14 797－38÷2＝39 771－21×5＝15 500－16×25＝40 642＋169÷13＝16 168＋10×25＝41 901＋336÷8＝17 934＋60÷2＝42 821－29×18＝18 707－552÷23＝43 202＋170÷17＝19 380＋342÷19＝44 187－48×2＝20 91＋44×2＝45 768－589÷19＝21 179－44×2＝46 911＋385÷11＝22 81＋140÷2＝47 286＋26×10＝23 702＋400÷20＝48 610＋22×17＝24 84＋11×23＝49 745－540÷15＝25 871－496÷16＝50 883－24×11＝----------------------------------------折叠线----------------------------------------(01)463 (02)137 (03)730 (04)130 (05)255 (06)305 (07)716 (08)507 (09)995 (10)504 (11)367 (12)353 (13)418 (14)778 (15)100 (16)418 (17)964 (18)683 (19)398 (20)179 (21)91 (22)151 (23)722 (24)337 (25)840 (26)124 (27)366 (28)91 (29)862 (30)295 (31)737 (32)449 (33)719 (34)981 (35)207 (36)960 (37)725 (38)700 (39)666 (40)655 (41)943 (42)299 (43)212 (44)91 (45)737 (46)946 (47)546 (48)984 (49)709 (50)619。