以内退位减法练习
20以内的退位减法练习题
小学数学一下20以内的退位减法作业学校:___________姓名：___________班级：___________考号：___________一、选择题（每题2分，共10分)1．一（2）班共有17名同学参加美术组和科技组，__________，男生有几人？（ ） 17－9＝8（人）A ．科技组有9人B ．女生有9人 2．林林有15颗，__________，还剩几颗？（ ）15－8＝7（颗）A ．给了琪琪8颗B ．琪琪也有8颗 3．妈妈买回苹果15个，梨8个，橙子11个。
______列式为：11－8＝3（个），那么问题可能是（ ）。
A ．苹果比梨多几个？B ．橙子比梨少几个？C ．橙子比梨多几个？ 4．被减数是7的算式是（ ）。
A ．729+=B ．1376-=C ．72=5-5．与16－7得数不同的是（ ）。
A ．17－8B ．11－2C ．12－2二、填空题（每题3分，共15分)6．在正确算式后面的里画“√”。
（1）大象和小猴相差几只？①12－7＝5（只） ①12－6＝6（只）（2）大象比老虎多几只？①12－6＝6（只） ①7－6＝1（只）7．小蜜蜂采花蜜。
13－9( )316－9( )15－613－8( )415－8( )814－8( )612－6( )15－717－8( )914－7( )16－8 8．用13、6和7写出两道减法算式是( )和( )。
9．小林折了13颗星星，小乐折的比小林少6颗，小乐折了( )颗星星。
10．计算15－7，可以这样想：先算10－7＝( )，再算5＋( )＝( )；也可以想加算减：因为7＋( )＝15，所以15－7＝( )。
三、判断题（每题3分，共18分)11．7比12小4。
( )12．12－9与11－8得数相等。
( )13．被减数是12，减数是3，差是9。
( )14．小红从第10页看到第20页，一共看了11页书。
( )-=，遮住的数是0。
( )15．9916．判断正误。
以内的退位减法练习
以内的退位减法练习内的退位减法练习是数学教学中常见的一种练习方式，通过这种练习可以有效提高学生的减法运算能力和数学逻辑思维能力。
在这种练习中，学生需要逐位相减，并在需要借位时进行退位操作，这对于培养学生的数字计算能力和注意力集中能力都具有积极的意义。
首先，内的退位减法练习要求学生掌握减法运算的基本原理和减法规则。
学生需要理解减法的定义，并能正确理解退位和借位的概念。
在进行内的退位减法练习时，学生需要按照从个位开始逐位相减的原则，当被减数小于减数时，需要向前一位借位。
这种练习方式可以帮助学生掌握减法运算的具体步骤和技巧，提高他们的计算准确性和速度。
其次，内的退位减法练习可以锻炼学生的逻辑思维能力和注意力集中能力。
在进行减法运算时，学生需要注意每一位的数值大小，正确判断是否需要借位，并确保每一步的计算都准确无误。
这种练习方式可以帮助学生培养细致认真的学习态度和逻辑思维能力，提升他们在数学领域的学习成绩和解决问题的能力。
最后，内的退位减法练习也具有一定的趣味性和挑战性，能够激发学生学习数学的兴趣。
通过这种练习方式，学生可以在不断练习和巩固的过程中提高自己的减法计算水平，同时也能够感受到数学学习的乐趣和成就感。
这种趣味性的练习方式可以激发学生对数学学习的积极性和主动性，帮助他们更好地理解和掌握数学知识。
总的来说，内的退位减法练习是一种有效提高学生减法运算能力和逻辑思维能力的数学练习方式。
通过这种练习，学生可以更好地掌握减法运算的规则和技巧，培养自己的数学思维能力和解决问题的能力，提高自己在数学学习中的学习兴趣和学习成绩。
希望广大学生能够认真对待内的退位减法练习，不断提高自己的数学水平，取得更好的学习成绩。
20以内退位减法练习题
20以内退位减法练习题20以内的退位减法是小学数学教学中的一个重要环节，它帮助学生掌握基本的减法运算技巧，理解减法的逻辑，并培养解决实际问题的能力。
以下是一些20以内退位减法的练习题，供学生练习使用。
1. 计算下列各题，并写出答案：- 15 - 7 = ?- 18 - 9 = ?- 14 - 6 = ?- 17 - 8 = ?- 16 - 5 = ?2. 用退位减法计算下列各题：- 13 - 9 = ?- 19 - 6 = ?- 12 - 8 = ?- 11 - 7 = ?3. 根据题目要求，完成下面的退位减法：- 20 - 15 = ?- 19 - 14 = ?- 18 - 13 = ?4. 填空题：- 16 - ( ) = 9- 15 - ( ) = 6- 14 - ( ) = 85. 应用题：小明有18个苹果，他给了小华7个，小明还剩下多少个苹果？6. 应用题：小华有15个橘子，他分给了小丽5个，小华还剩下多少个橘子？7. 选择题：下列哪个选项是正确的？- A. 17 - 9 = 6- B. 16 - 8 = 9- C. 19 - 10 = 9- D. 18 - 7 = 118. 判断题：下列哪个等式是正确的？- ( ) 13 - 6 = 7- ( ) 14 - 7 = 8- ( ) 15 - 9 = 6- ( ) 16 - 10 = 69. 连线题：将下列算式与它们的答案连线。
- 15 - 8 = ?- 12 - 4 = ?- 17 - 9 = ?- 19 - 11 = ?10. 混合运算题：先计算下列各题，然后将结果相加。
- 15 - 7 + 8- 18 - 9 + 311. 逆向思维题：如果15 - x = 6，那么x是多少？12. 综合应用题：小刚有20个玩具，他决定给每个朋友3个玩具，如果他有5个朋友，他需要准备多少个玩具？这些练习题覆盖了退位减法的基础知识，同时也包括了实际应用和逆向思维的题目，有助于学生全面掌握20以内的退位减法。
小学一年级100以内退位减法练习5000题
姓名________班级________用时________得分________ 62-47= 54-37= 70-37= 65-47= 72-44= 43-16= 52-36= 65-28= 47-18= 67-28= 36-18= 51-25= 21-18= 33-15= 26-18= 64-46= 65-38= 80-22= 67-38= 46-27= 34-17= 21-13= 83-58= 26-17= 41-22= 84-46= 64-47= 83-18= 47-28= 54-26= 61-33= 62-48= 75-17= 26-18= 71-52= 47-18= 71-53= 31-17= 73-34= 30-15= 52-34= 55-16= 54-38= 47-28= 52-38= 52-25= 86-38= 81-46= 43-24= 24-16= 22-18= 64-17= 70-42= 30-13= 42-14= 80-67= 71-26= 35-18= 44-18= 54-25= 45-27= 77-58= 40-11= 64-25= 22-14= 50-23= 37-18= 35-18= 26-17= 82-16= 84-55= 44-16= 72-37= 54-36= 53-35= 31-12= 72-18= 22-17= 67-48= 74-27= 40-28= 21-18= 20-12= 83-24= 36-18= 51-12= 45-27= 41-13= 87-58= 61-35= 74-46= 82-66= 72-58= 66-48= 24-16= 53-18= 43-15= 77-38= 55-28= 66-27=姓名________班级________用时________得分________ 55-36= 22-17= 36-17= 23-14= 80-41= 74-28= 46-28= 74-37= 81-36= 41-22= 26-17= 71-22= 36-17= 71-34= 83-64= 73-44= 83-27= 61-32= 32-17= 77-28= 24-17= 71-16= 30-18= 75-46= 43-28= 86-67= 64-28= 65-17= 54-16= 41-14= 20-13= 43-14= 81-62= 75-37= 85-26= 35-17= 73-24= 41-22= 63-44= 80-62= 50-16= 54-18= 22-18= 70-43= 85-37= 63-46= 81-47= 76-17= 21-14= 42-15= 72-28= 45-18= 84-18= 45-18= 63-15= 64-36= 52-35= 37-18= 56-38= 71-32= 54-26= 60-22= 57-28= 50-14= 81-42= 71-22= 73-14= 81-52= 72-25= 67-48= 34-17= 20-16= 20-18= 54-25= 50-28= 81-67= 44-27= 31-14= 83-15= 22-18= 80-63= 23-14= 23-17= 65-18= 66-27= 87-18= 71-45= 84-37= 21-15= 65-27= 57-38= 30-16= 66-38= 34-16= 60-32= 66-38= 57-38= 37-18= 67-18= 71-35=姓名________班级________用时________得分________ 40-12= 66-27= 31-16= 70-24= 82-63= 83-55= 64-27= 22-15= 27-18= 60-22= 55-16= 75-17= 52-37= 46-18= 71-52= 55-27= 33-14= 33-18= 76-28= 45-28= 70-32= 25-16= 56-18= 54-16= 72-58= 56-28= 82-54= 74-37= 63-48= 70-52= 81-54= 83-34= 40-28= 37-18= 34-15= 23-18= 25-16= 37-18= 44-17= 43-25= 24-15= 47-28= 77-38= 27-18= 37-18= 81-44= 87-28= 75-46= 84-67= 67-48= 37-18= 53-16= 65-16= 60-48= 26-17= 56-27= 51-25= 31-12= 20-13= 87-58= 40-15= 27-18= 71-44= 73-35= 22-15= 21-14= 86-17= 37-18= 67-38= 60-22= 26-17= 53-18= 72-13= 37-18= 55-17= 73-47= 82-67= 77-28= 45-26= 83-34= 25-16= 37-18= 84-65= 82-25= 51-16= 32-13= 61-25= 37-18= 72-28= 31-12= 36-17= 86-67= 30-18= 50-14= 77-48= 63-27= 35-18= 43-28= 31-12= 43-18=姓名________班级________用时________得分________ 25-16= 51-13= 51-15= 60-21= 75-26= 26-17= 71-47= 77-48= 66-17= 23-14= 20-17= 82-54= 87-58= 35-17= 47-28= 35-18= 50-17= 51-17= 86-38= 43-15= 71-54= 23-18= 83-64= 75-38= 21-18= 61-17= 74-48= 65-37= 80-64= 82-54= 40-15= 87-48= 71-38= 51-32= 77-18= 71-32= 35-17= 24-17= 84-58= 43-17= 81-52= 41-27= 43-14= 76-38= 86-68= 20-11= 45-16= 31-12= 25-18= 71-17= 43-18= 56-18= 87-18= 23-14= 62-43= 87-58= 75-58= 61-38= 30-12= 53-24= 72-26= 67-28= 56-28= 42-18= 75-28= 71-32= 76-17= 73-34= 56-38= 72-38= 71-44= 30-18= 24-17= 23-18= 23-17= 44-28= 56-27= 66-48= 47-28= 20-14= 32-14= 80-16= 25-18= 24-15= 50-27= 37-18= 64-16= 80-37= 34-17= 25-18= 87-48= 43-28= 62-36= 21-14= 74-36= 87-38= 81-23= 60-18= 20-15= 65-48=姓名________班级________用时________得分________ 76-47= 70-33= 82-15= 64-38= 34-15= 32-17= 20-17= 32-17= 51-16= 32-15= 45-27= 31-16= 86-28= 82-65= 43-28= 23-14= 55-26= 40-27= 33-16= 84-15= 42-16= 82-47= 24-17= 47-28= 47-18= 66-38= 70-51= 55-36= 53-28= 64-48= 43-18= 65-38= 52-16= 71-34= 64-16= 87-58= 36-18= 50-11= 70-41= 42-26= 63-14= 53-27= 84-57= 36-18= 37-18= 44-18= 43-18= 20-18= 80-16= 26-18= 22-17= 36-17= 65-17= 55-17= 46-27= 70-56= 61-33= 46-27= 72-43= 61-25= 55-26= 75-28= 20-18= 50-15= 61-16= 54-27= 47-28= 66-37= 55-38= 74-46= 32-14= 63-47= 56-28= 74-26= 64-37= 73-47= 21-14= 77-38= 70-23= 32-15= 40-15= 76-38= 67-18= 46-28= 46-18= 20-11= 83-48= 70-18= 26-18= 20-17= 75-47= 80-22= 27-18= 55-18= 45-28= 22-14= 81-32= 37-18= 26-17= 70-53=姓名________班级________用时________得分________ 27-18= 82-38= 35-18= 83-34= 60-32= 27-18= 74-46= 46-28= 24-15= 52-34= 36-18= 67-18= 41-23= 67-18= 82-27= 35-16= 86-67= 52-16= 75-56= 55-27= 87-68= 34-15= 64-45= 75-58= 25-17= 77-18= 46-17= 74-47= 40-22= 70-27= 84-46= 34-15= 27-18= 31-15= 71-32= 65-47= 57-18= 24-18= 72-38= 77-28= 25-16= 82-63= 20-16= 31-18= 47-28= 21-12= 84-15= 73-24= 25-18= 34-17= 32-17= 54-15= 24-15= 47-28= 56-28= 76-47= 86-68= 40-11= 82-38= 53-17= 30-11= 86-67= 33-17= 37-18= 63-45= 20-13= 44-27= 37-18= 21-12= 73-58= 70-14= 75-27= 62-13= 70-48= 37-18= 42-16= 46-17= 67-18= 51-17= 40-14= 83-47= 80-13= 71-16= 33-17= 80-14= 66-27= 35-18= 55-28= 56-28= 55-18= 77-28= 25-17= 82-38= 53-14= 74-47= 64-16= 73-34= 43-14= 72-35= 72-48=姓名________班级________用时________得分________ 37-18= 65-28= 61-32= 61-18= 35-17= 53-38= 74-25= 20-16= 46-27= 43-15= 66-37= 82-28= 84-55= 83-37= 71-32= 42-18= 73-27= 24-15= 76-28= 52-34= 65-46= 67-28= 41-27= 55-28= 47-28= 61-44= 60-37= 82-57= 25-16= 75-16= 27-18= 45-18= 73-34= 36-17= 61-26= 52-23= 76-27= 82-48= 75-38= 80-46= 54-25= 41-26= 35-18= 46-18= 57-18= 55-27= 33-18= 70-38= 57-28= 54-16= 72-14= 30-14= 23-16= 53-17= 23-15= 50-38= 33-15= 32-14= 67-28= 61-17= 21-16= 54-17= 74-58= 40-12= 45-17= 41-13= 40-26= 34-15= 84-48= 73-47= 76-28= 73-16= 30-11= 23-16= 43-17= 61-46= 36-17= 26-18= 26-17= 45-18= 72-13= 73-55= 37-18= 76-37= 42-14= 44-28= 71-33= 55-17= 27-18= 57-38= 30-18= 54-27= 87-28= 21-17= 35-18= 26-17= 86-48= 22-15= 63-25= 57-28=姓名________班级________用时________得分________ 87-48= 43-27= 47-28= 51-27= 20-16= 26-18= 41-15= 80-44= 46-18= 85-46= 25-17= 32-17= 35-17= 52-18= 43-27= 51-26= 76-38= 36-18= 37-18= 21-16= 63-36= 34-18= 72-35= 40-23= 66-47= 25-18= 37-18= 61-27= 86-27= 86-28= 60-23= 40-25= 67-18= 53-37= 63-37= 80-26= 51-28= 53-37= 52-36= 80-53= 50-23= 57-38= 33-18= 85-57= 24-16= 20-14= 43-16= 54-26= 81-35= 45-27= 70-57= 75-37= 57-28= 80-66= 35-16= 70-44= 57-28= 60-33= 43-26= 31-16= 42-26= 24-15= 36-18= 76-17= 50-13= 55-36= 33-18= 54-36= 53-16= 52-28= 87-18= 87-58= 24-17= 22-14= 35-16= 42-26= 82-33= 87-58= 84-17= 42-23= 33-18= 63-24= 84-67= 67-18= 56-38= 76-17= 44-18= 63-37= 55-17= 51-14= 84-35= 47-18= 73-45= 83-58= 52-25= 80-41= 47-28= 74-26= 53-38= 54-18=姓名________班级________用时________得分________ 86-57= 35-16= 86-37= 73-35= 70-37= 70-21= 23-14= 67-18= 34-17= 82-35= 84-67= 32-16= 67-48= 76-48= 60-35= 70-42= 73-26= 73-14= 77-38= 60-32= 37-18= 34-16= 26-18= 40-11= 63-17= 20-15= 45-18= 76-57= 83-35= 73-38= 41-16= 41-28= 33-16= 45-28= 20-13= 26-17= 80-43= 46-28= 64-17= 30-11= 85-37= 71-43= 43-17= 32-18= 24-18= 40-24= 31-15= 56-27= 74-45= 54-27= 55-18= 82-46= 24-15= 51-26= 65-46= 80-47= 82-54= 24-17= 83-16= 84-38= 86-58= 56-18= 27-18= 86-27= 32-14= 73-14= 42-16= 44-28= 24-17= 20-11= 81-63= 64-47= 80-44= 73-24= 87-38= 24-15= 54-25= 74-55= 62-43= 84-48= 51-14= 30-12= 66-28= 54-15= 61-17= 80-32= 21-14= 53-18= 56-28= 30-16= 37-18= 44-17= 32-14= 67-18= 45-26= 51-14= 84-27= 81-38= 64-28= 27-18=姓名________班级________用时________得分________ 63-47= 21-16= 43-26= 64-15= 86-18= 45-18= 54-27= 32-14= 51-14= 85-68= 52-28= 44-25= 21-17= 22-17= 65-46= 54-35= 85-17= 77-48= 35-18= 76-17= 60-13= 52-35= 42-24= 73-26= 70-21= 56-18= 33-17= 21-13= 66-47= 75-48= 63-35= 83-16= 20-11= 23-16= 80-13= 20-16= 66-18= 64-46= 77-48= 67-48= 44-18= 54-16= 60-46= 81-16= 82-26= 30-15= 33-17= 42-28= 83-54= 25-17= 64-38= 84-66= 20-15= 25-18= 74-45= 75-16= 34-18= 36-18= 84-35= 36-17= 57-18= 65-46= 86-67= 54-18= 57-18= 20-15= 72-56= 52-35= 52-13= 84-25= 53-25= 40-18= 71-12= 23-14= 84-25= 84-27= 63-26= 33-16= 47-18= 45-18= 75-26= 73-35= 36-17= 46-17= 25-16= 21-14= 85-37= 56-27= 31-13= 25-18= 30-12= 27-18= 81-34= 52-37= 55-28= 86-17= 56-28= 57-28= 27-18= 81-22=姓名________班级________用时________得分________ 32-17= 71-55= 80-27= 61-47= 24-15= 74-26= 55-28= 27-18= 25-17= 70-54= 71-27= 23-18= 35-18= 67-48= 56-27= 74-45= 66-18= 32-18= 82-23= 22-16= 20-17= 65-17= 33-17= 27-18= 74-15= 52-24= 87-68= 63-17= 47-18= 21-18= 72-36= 45-28= 43-17= 32-16= 64-28= 86-58= 67-38= 80-42= 32-17= 65-48= 62-37= 46-28= 46-18= 80-12= 67-48= 21-12= 75-26= 21-17= 60-15= 31-14= 40-12= 30-15= 46-27= 22-13= 85-67= 74-17= 85-67= 21-15= 85-67= 84-27= 46-27= 87-28= 64-16= 64-16= 56-18= 87-28= 75-18= 80-68= 51-17= 72-43= 44-17= 81-24= 47-18= 81-48= 73-45= 56-37= 43-18= 73-45= 50-33= 80-34= 66-37= 84-18= 75-38= 53-25= 74-17= 46-28= 71-42= 80-13= 67-38= 30-17= 77-18= 77-38= 20-17= 27-18= 40-18= 41-14= 64-28= 51-32= 74-15= 86-28=姓名________班级________用时________得分________ 67-18= 53-27= 24-15= 70-14= 76-57= 26-17= 87-48= 31-13= 34-15= 86-57= 27-18= 60-32= 62-47= 57-18= 75-17= 43-16= 46-28= 50-34= 56-38= 64-27= 47-18= 61-24= 25-17= 37-18= 75-46= 72-58= 70-44= 43-24= 46-27= 70-43= 37-18= 37-18= 33-16= 60-45= 52-18= 35-17= 87-38= 53-28= 63-34= 70-44= 35-16= 61-42= 86-58= 60-38= 33-17= 74-57= 67-28= 36-18= 25-16= 51-12= 71-22= 61-17= 83-47= 76-27= 22-15= 46-28= 85-36= 22-16= 81-27= 61-17= 25-17= 87-38= 42-23= 46-18= 80-63= 34-16= 34-16= 32-17= 83-55= 23-14= 62-43= 35-17= 46-28= 40-24= 26-17= 87-18= 86-27= 42-24= 86-58= 43-26= 21-16= 52-26= 56-28= 41-28= 63-27= 84-48= 64-25= 71-54= 84-46= 74-35= 25-17= 82-66= 53-36= 57-38= 27-18= 86-28= 24-15= 77-58= 45-26= 26-18=姓名________班级________用时________得分________ 67-38= 30-12= 66-38= 52-23= 47-28= 63-24= 33-18= 51-25= 50-26= 57-38= 50-16= 41-18= 85-36= 55-18= 82-65= 31-13= 46-17= 35-16= 27-18= 33-14= 25-16= 56-27= 57-28= 22-17= 61-48= 61-23= 75-28= 75-17= 24-16= 26-17= 53-36= 30-13= 87-28= 34-18= 41-26= 46-27= 85-37= 81-42= 31-17= 44-15= 53-27= 53-26= 82-34= 66-38= 77-18= 43-27= 35-17= 84-28= 50-18= 26-17= 44-16= 53-36= 70-38= 31-14= 33-17= 56-27= 65-26= 67-38= 35-17= 46-18= 86-58= 21-17= 37-18= 21-13= 31-18= 24-18= 43-18= 85-46= 51-26= 21-12= 71-18= 55-37= 54-27= 33-14= 85-16= 25-16= 24-18= 47-28= 62-33= 61-43= 21-12= 56-17= 57-38= 42-27= 57-28= 36-18= 31-18= 35-17= 51-23= 41-12= 87-38= 34-17= 31-17= 61-43= 83-44= 44-26= 65-28= 45-28= 82-67= 53-35=姓名________班级________用时________得分________ 76-18= 35-16= 60-31= 23-17= 81-35= 23-18= 62-36= 22-15= 82-58= 63-46= 57-28= 73-24= 80-55= 63-34= 64-26= 65-18= 33-17= 66-48= 54-35= 51-33= 87-28= 53-37= 71-22= 50-18= 41-26= 54-16= 51-22= 63-36= 26-17= 43-15= 65-26= 50-22= 64-16= 83-45= 32-13= 42-28= 21-17= 57-28= 31-12= 43-27= 51-33= 87-28= 50-37= 84-67= 53-17= 42-15= 25-17= 71-12= 53-25= 32-18= 81-47= 64-15= 67-18= 73-38= 34-16= 47-18= 61-26= 77-48= 64-27= 24-17= 45-16= 36-17= 75-58= 71-57= 82-25= 43-25= 63-36= 80-63= 82-33= 71-47= 21-14= 71-23= 26-18= 31-16= 36-18= 60-28= 20-17= 37-18= 34-18= 34-16= 21-16= 36-18= 47-18= 34-18= 30-17= 41-25= 23-17= 73-46= 52-38= 75-37= 20-16= 26-18= 75-38= 31-13= 66-28= 47-28= 65-16= 40-28= 31-16= 60-36=姓名________班级________用时________得分________ 30-14= 27-18= 81-56= 60-44= 81-18= 43-27= 33-18= 37-18= 44-16= 33-17= 64-35= 67-38= 22-14= 83-44= 83-68= 46-28= 32-16= 56-18= 45-27= 27-18= 51-34= 37-18= 36-17= 30-17= 72-14= 66-47= 20-12= 52-35= 30-13= 20-18= 82-25= 50-35= 76-48= 80-11= 42-25= 35-16= 50-12= 43-28= 24-15= 55-27= 60-21= 56-18= 41-15= 25-17= 84-26= 55-16= 42-26= 26-17= 81-58= 20-14= 21-15= 67-18= 81-62= 87-18= 66-17= 23-16= 42-26= 74-27= 52-24= 51-38= 86-57= 64-35= 41-24= 22-16= 35-16= 31-18= 40-26= 20-16= 67-48= 43-24= 54-38= 65-27= 81-65= 21-14= 82-13= 41-25= 75-26= 65-38= 52-37= 21-16= 26-18= 65-18= 34-18= 86-58= 43-16= 65-48= 65-47= 23-17= 85-36= 27-18= 36-18= 64-36= 55-18= 27-18= 84-55= 64-37= 37-18= 31-13= 47-18= 83-28=姓名________班级________用时________得分________ 64-47= 41-15= 44-27= 61-47= 85-68= 66-17= 51-32= 82-28= 30-17= 23-14= 60-36= 76-28= 65-46= 40-21= 64-28= 35-17= 45-16= 45-27= 55-16= 62-37= 80-16= 53-25= 43-14= 86-58= 84-68= 33-15= 50-27= 72-34= 41-22= 51-27= 20-11= 43-24= 37-18= 23-16= 47-18= 82-63= 81-67= 40-14= 65-48= 44-26= 53-17= 75-17= 32-16= 87-68= 80-64= 23-15= 70-52= 83-67= 45-28= 80-24= 62-28= 53-38= 26-18= 44-28= 34-18= 60-17= 51-34= 66-27= 44-16= 56-18= 67-28= 36-18= 77-18= 80-43= 54-37= 26-18= 85-38= 81-57= 36-17= 61-33= 46-18= 80-22= 74-46= 62-47= 72-43= 52-38= 82-57= 37-18= 55-27= 83-65= 64-37= 82-25= 31-17= 55-38= 36-17= 87-38= 71-56= 77-38= 26-18= 63-46= 22-13= 30-14= 44-17= 76-28= 54-36= 50-28= 20-13= 61-34= 33-14= 53-27=姓名________班级________用时________得分________ 34-18= 61-33= 76-27= 56-28= 40-12= 37-18= 42-28= 76-28= 71-56= 52-23= 37-18= 66-37= 44-25= 22-16= 63-25= 50-33= 21-14= 25-18= 45-18= 30-16= 86-47= 24-16= 41-12= 24-15= 75-36= 64-18= 20-13= 30-18= 45-28= 54-35= 46-17= 73-14= 50-34= 45-18= 87-38= 84-47= 40-28= 45-18= 36-18= 23-17= 80-56= 35-17= 57-18= 74-18= 36-17= 83-26= 47-28= 45-17= 40-25= 74-46= 86-37= 42-24= 87-28= 46-17= 20-15= 80-18= 80-26= 51-27= 72-15= 63-47= 60-41= 73-48= 24-16= 72-54= 37-18= 41-24= 61-27= 62-13= 70-41= 34-16= 27-18= 52-17= 36-18= 63-35= 23-16= 41-15= 87-68= 50-22= 85-56= 52-35= 20-13= 44-18= 55-27= 63-36= 73-56= 83-66= 57-18= 56-18= 72-34= 40-12= 67-48= 45-28= 82-28= 22-17= 61-32= 67-48= 25-16= 21-16= 46-27= 66-17=姓名________班级________用时________得分________ 37-18= 81-42= 53-16= 67-28= 36-18= 42-28= 35-18= 47-18= 30-14= 84-65= 43-26= 56-17= 26-18= 87-48= 43-24= 45-18= 40-18= 41-12= 44-18= 54-26= 62-36= 24-17= 34-16= 86-28= 84-46= 86-67= 80-22= 51-17= 76-48= 21-12= 36-17= 50-12= 26-18= 31-18= 81-24= 42-18= 77-28= 51-17= 35-18= 44-25= 66-27= 40-27= 35-16= 31-12= 63-26= 31-15= 41-15= 25-17= 31-16= 26-18= 21-16= 63-16= 81-28= 57-28= 81-28= 22-18= 45-18= 47-18= 34-15= 63-15= 34-16= 44-27= 54-27= 61-45= 30-12= 76-48= 53-25= 50-31= 71-54= 54-25= 33-16= 52-27= 70-26= 84-55= 65-37= 81-17= 82-65= 67-38= 67-18= 51-36= 20-15= 62-14= 85-16= 75-26= 21-18= 47-28= 31-17= 85-16= 50-11= 60-35= 82-17= 51-18= 54-35= 86-38= 36-18= 52-23= 87-18= 32-15= 23-18= 56-27=姓名________班级________用时________得分________ 75-56= 60-44= 57-38= 37-18= 20-16= 30-14= 36-17= 55-38= 33-18= 73-58= 62-14= 54-25= 85-17= 24-17= 46-28= 43-28= 71-34= 26-18= 75-16= 33-17= 86-47= 61-13= 26-18= 46-27= 81-54= 63-18= 75-46= 50-38= 86-68= 86-18= 76-57= 20-18= 26-18= 56-18= 65-27= 46-27= 76-48= 70-47= 45-26= 20-14= 53-24= 31-15= 67-48= 84-26= 82-18= 76-17= 56-37= 34-17= 77-18= 87-68= 30-18= 57-18= 83-14= 70-54= 87-58= 44-16= 34-18= 86-58= 66-28= 35-17= 44-26= 75-38= 32-17= 77-48= 52-33= 40-13= 56-28= 25-17= 82-48= 56-37= 41-22= 74-55= 63-36= 25-17= 20-12= 22-18= 22-16= 35-18= 84-38= 62-28= 26-18= 30-17= 81-17= 71-33= 76-48= 82-65= 27-18= 80-57= 85-46= 24-15= 86-58= 62-45= 76-38= 46-28= 30-13= 66-37= 52-36= 67-18= 70-15= 76-28=姓名________班级________用时________得分________ 54-27= 64-46= 65-26= 34-15= 26-17= 27-18= 57-28= 80-62= 37-18= 25-18= 36-18= 47-18= 35-17= 37-18= 52-36= 56-37= 84-26= 46-17= 56-27= 87-48= 54-38= 31-18= 27-18= 71-25= 64-48= 67-38= 87-68= 34-16= 30-15= 32-18= 36-18= 26-17= 64-28= 31-16= 46-28= 81-22= 65-17= 61-12= 54-26= 51-17= 51-28= 85-46= 44-25= 51-34= 44-15= 51-37= 33-18= 62-15= 37-18= 21-13= 31-12= 80-25= 77-58= 33-16= 42-27= 50-21= 75-57= 67-48= 66-28= 37-18= 87-18= 42-27= 21-14= 43-16= 37-18= 47-28= 30-16= 81-44= 46-27= 56-27= 52-18= 67-38= 46-27= 67-28= 31-15= 76-28= 37-18= 60-24= 47-18= 47-28= 35-16= 35-16= 67-18= 51-22= 20-16= 30-16= 72-23= 53-28= 62-18= 87-68= 40-25= 72-46= 64-37= 40-24= 36-17= 46-17= 22-15= 87-48= 51-32= 21-15=姓名________班级________用时________得分________ 31-15= 30-14= 84-57= 80-48= 33-18= 33-16= 66-37= 60-44= 22-17= 54-25= 36-17= 46-28= 55-28= 72-47= 81-43= 53-16= 75-47= 85-56= 31-15= 60-14= 84-27= 22-14= 23-16= 81-35= 21-18= 62-14= 52-34= 46-28= 76-28= 76-18= 72-45= 87-58= 25-16= 21-13= 36-18= 37-18= 60-32= 30-11= 45-27= 25-17= 27-18= 20-15= 56-28= 73-28= 56-38= 30-12= 66-17= 46-27= 52-16= 21-12= 64-35= 46-18= 27-18= 62-48= 63-16= 50-36= 86-48= 40-28= 42-14= 50-27= 33-15= 32-16= 22-18= 31-14= 84-48= 50-15= 26-17= 32-15= 30-16= 53-28= 56-37= 61-22= 84-38= 54-15= 31-13= 53-26= 85-16= 61-16= 85-57= 75-17= 44-16= 40-15= 25-16= 36-17= 55-26= 27-18= 75-58= 50-31= 27-18= 47-28= 60-21= 30-11= 55-37= 32-17= 54-15= 35-17= 72-38= 31-13= 64-28= 80-51=姓名________班级________用时________得分________ 62-36= 61-13= 86-27= 21-16= 54-28= 34-17= 51-18= 85-26= 20-11= 56-18= 40-12= 26-18= 37-18= 44-25= 47-18= 57-18= 22-13= 33-18= 21-13= 53-28= 31-16= 76-38= 61-28= 23-16= 36-18= 73-35= 84-58= 33-16= 23-17= 70-54= 21-15= 72-48= 41-12= 41-14= 65-38= 37-18= 24-17= 43-17= 60-28= 80-47= 83-57= 21-17= 57-38= 64-46= 21-16= 72-56= 83-54= 56-28= 85-17= 70-53= 23-14= 37-18= 64-37= 61-38= 66-38= 85-67= 27-18= 72-37= 43-18= 72-35= 56-38= 23-16= 42-24= 56-28= 65-36= 74-25= 87-38= 23-17= 55-27= 34-18= 44-28= 54-36= 87-18= 35-17= 82-47= 76-27= 53-28= 55-37= 56-37= 60-14= 63-35= 57-28= 75-47= 83-28= 45-28= 25-16= 57-38= 61-45= 66-47= 63-34= 36-17= 86-68= 26-17= 23-17= 73-45= 60-27= 70-13= 47-28= 84-45= 20-11=姓名________班级________用时________得分________ 66-28= 72-47= 55-26= 50-35= 52-25= 76-58= 51-38= 53-36= 20-14= 67-28= 45-17= 35-16= 55-27= 43-25= 84-25= 75-28= 26-17= 47-18= 27-18= 62-46= 54-37= 35-16= 80-18= 65-36= 83-26= 56-17= 26-18= 61-27= 76-17= 71-38= 87-28= 71-48= 45-27= 76-28= 55-26= 85-16= 35-16= 26-18= 30-12= 54-18= 22-13= 73-47= 74-48= 70-18= 37-18= 44-17= 33-18= 32-13= 70-13= 36-18= 73-36= 41-13= 60-11= 46-17= 31-14= 56-18= 85-46= 25-18= 53-17= 56-37= 87-48= 62-15= 26-17= 31-12= 84-18= 53-16= 41-24= 87-38= 70-23= 37-18= 21-12= 60-22= 57-28= 83-37= 56-17= 37-18= 67-28= 24-18= 42-26= 65-47= 35-18= 64-25= 41-16= 31-15= 75-26= 45-26= 55-26= 84-35= 56-28= 41-24= 60-36= 52-36= 20-12= 40-15= 75-18= 65-37= 76-18= 52-18= 63-28= 40-12=姓名________班级________用时________得分________ 71-45= 40-16= 30-14= 23-16= 52-28= 51-18= 25-18= 35-17= 24-16= 20-13= 82-57= 80-11= 87-18= 62-34= 81-56= 75-38= 56-17= 83-15= 60-23= 21-12= 80-32= 40-14= 35-18= 34-18= 63-26= 46-28= 23-16= 44-18= 26-18= 57-18= 73-34= 82-15= 60-33= 37-18= 47-28= 32-16= 27-18= 43-28= 23-18= 85-58= 36-18= 31-17= 65-26= 67-48= 47-18= 61-47= 54-28= 32-15= 46-28= 80-25= 46-28= 35-17= 61-17= 27-18= 84-46= 80-55= 74-55= 26-18= 50-25= 75-17= 87-58= 54-25= 42-15= 51-26= 63-38= 85-18= 73-24= 86-58= 46-18= 83-66= 46-27= 30-14= 36-17= 61-13= 64-37= 52-24= 64-47= 52-33= 43-17= 63-34= 45-16= 87-68= 84-28= 47-28= 23-16= 64-26= 56-18= 25-16= 76-38= 41-15= 43-18= 57-38= 84-35= 20-16= 26-17= 50-14= 21-18= 72-58= 57-18= 51-15=姓名________班级________用时________得分________ 34-16= 65-18= 20-18= 55-27= 87-38= 33-16= 35-18= 81-36= 62-47= 53-36= 73-26= 80-54= 60-13= 45-26= 65-36= 44-18= 23-18= 46-18= 86-48= 81-65= 44-27= 61-34= 51-38= 74-18= 67-18= 26-18= 24-16= 84-58= 63-47= 75-36= 72-27= 43-16= 73-45= 52-25= 30-15= 30-15= 87-28= 63-46= 84-56= 41-25= 46-28= 20-12= 81-18= 32-16= 63-46= 41-15= 76-27= 26-17= 64-37= 46-27= 77-38= 77-28= 30-15= 55-37= 74-38= 70-28= 62-48= 25-17= 43-27= 64-36= 74-55= 53-38= 66-48= 44-16= 40-22= 83-14= 35-17= 82-24= 47-18= 23-18= 71-15= 76-38= 35-17= 85-67= 21-14= 42-15= 80-62= 23-18= 27-18= 64-35= 25-16= 63-28= 36-18= 45-17= 83-47= 32-18= 65-48= 31-13= 50-35= 41-18= 67-28= 66-48= 32-18= 73-56= 60-42= 63-17= 24-17= 42-18= 34-15= 33-18=姓名________班级________用时________得分________ 80-66= 60-32= 43-25= 34-16= 22-14= 77-38= 75-46= 55-37= 87-18= 75-37= 66-27= 45-16= 55-17= 26-17= 77-18= 80-41= 31-12= 21-13= 55-18= 65-26= 37-18= 85-26= 45-17= 77-38= 54-17= 71-54= 72-33= 26-17= 42-24= 61-48= 73-45= 21-18= 64-47= 67-38= 37-18= 24-16= 76-28= 77-58= 63-27= 24-15= 20-18= 54-18= 35-16= 26-18= 81-16= 42-27= 52-26= 26-18= 65-27= 63-44= 37-18= 53-36= 26-17= 23-18= 21-16= 76-47= 70-15= 74-27= 30-14= 24-17= 21-16= 21-16= 24-15= 63-25= 47-28= 73-54= 27-18= 23-15= 84-66= 33-14= 77-28= 21-12= 24-15= 45-27= 35-18= 43-18= 62-44= 62-45= 31-14= 37-18= 54-17= 61-33= 87-68= 31-16= 80-17= 46-27= 76-27= 31-14= 66-48= 85-56= 43-26= 76-28= 65-48= 51-33= 80-45= 34-17= 35-18= 63-18= 22-15= 44-27=姓名________班级________用时________得分________ 87-68= 57-38= 27-18= 77-58= 53-25= 36-18= 87-38= 44-26= 85-47= 62-33= 40-21= 82-17= 56-28= 86-28= 37-18= 82-47= 25-18= 54-16= 35-17= 63-46= 87-58= 65-37= 23-16= 51-16= 34-17= 63-14= 33-15= 26-18= 87-38= 82-65= 23-18= 60-34= 54-18= 51-16= 55-38= 43-18= 25-17= 85-48= 43-16= 40-15= 31-17= 67-38= 41-23= 30-12= 63-45= 55-26= 52-27= 34-18= 30-16= 27-18= 65-27= 26-18= 61-18= 41-28= 51-16= 30-16= 34-18= 41-28= 67-28= 80-35= 57-28= 61-34= 81-68= 86-58= 32-18= 41-26= 67-28= 65-27= 64-46= 74-18= 21-17= 24-16= 57-28= 83-57= 61-28= 42-15= 30-16= 23-18= 57-18= 77-38= 64-28= 77-58= 81-45= 35-18= 76-47= 55-16= 20-13= 55-16= 51-35= 41-16= 52-15= 54-15= 22-14= 75-27= 35-16= 63-35= 75-37= 32-14= 47-28= 44-17=姓名________班级________用时________得分________ 54-15= 23-17= 27-18= 73-26= 54-18= 34-15= 50-31= 54-38= 86-47= 65-46= 43-16= 87-58= 77-28= 70-25= 61-37= 31-12= 74-45= 40-11= 82-33= 83-24= 56-17= 23-15= 87-48= 53-25= 27-18= 74-58= 36-18= 63-38= 54-16= 56-18= 74-45= 66-18= 73-16= 22-17= 67-38= 40-23= 87-18= 80-65= 43-26= 64-28= 62-18= 50-17= 60-35= 83-45= 62-34= 60-28= 25-16= 63-46= 51-25= 40-18= 77-18= 61-34= 30-15= 60-25= 72-43= 54-26= 44-26= 61-46= 43-26= 70-51= 80-33= 72-48= 27-18= 85-26= 61-14= 50-35= 77-58= 72-54= 76-58= 43-25= 63-26= 43-16= 40-13= 24-15= 47-18= 23-14= 62-47= 40-26= 40-15= 81-42= 32-14= 27-18= 77-58= 71-24= 34-17= 53-14= 54-26= 26-18= 54-16= 81-27= 33-18= 53-26= 25-17= 32-13= 73-27= 72-54= 86-27= 41-16= 76-47= 33-15=姓名________班级________用时________得分________ 54-25= 37-18= 73-34= 31-14= 61-16= 23-14= 77-38= 71-55= 34-16= 73-24= 40-23= 20-11= 75-37= 85-68= 76-18= 45-17= 81-24= 67-38= 87-68= 70-31= 62-45= 63-46= 84-65= 76-27= 27-18= 43-28= 52-23= 61-32= 51-28= 22-16= 66-27= 33-15= 63-15= 34-18= 26-18= 72-48= 25-17= 56-18= 84-27= 51-28= 61-25= 35-18= 56-37= 86-38= 36-18= 75-56= 83-16= 83-14= 33-17= 40-22= 53-27= 35-17= 24-15= 66-18= 85-16= 75-57= 51-36= 25-17= 53-26= 82-56= 52-13= 84-17= 53-17= 56-28= 34-16= 35-17= 71-18= 54-15= 61-23= 51-17= 80-44= 83-66= 37-18= 75-28= 72-43= 64-15= 83-25= 26-18= 53-18= 44-16= 76-47= 53-24= 30-13= 23-16= 55-36= 50-34= 35-17= 21-12= 57-38= 53-38= 75-37= 51-32= 72-45= 34-17= 75-16= 56-27= 22-16= 66-47= 52-37= 56-17=姓名________班级________用时________得分________ 83-15= 41-24= 61-48= 62-27= 33-18= 87-38= 41-15= 30-15= 65-26= 34-16= 45-17= 44-18= 71-33= 25-18= 53-15= 43-16= 83-47= 37-18= 66-38= 36-17= 37-18= 26-17= 63-18= 54-28= 35-17= 20-13= 65-16= 35-18= 65-16= 43-18= 25-18= 45-28= 54-15= 85-16= 33-16= 52-13= 62-45= 41-12= 34-15= 30-14= 27-18= 72-34= 41-26= 81-27= 76-28= 80-34= 57-18= 74-18= 83-48= 86-18= 42-14= 54-18= 87-58= 36-18= 24-15= 73-44= 51-16= 74-28= 26-18= 64-27= 76-18= 50-27= 20-16= 36-18= 52-24= 22-14= 82-23= 65-16= 24-17= 60-38= 25-16= 40-11= 60-33= 65-38= 53-16= 55-27= 81-14= 42-18= 72-37= 46-18= 47-28= 60-25= 44-27= 66-28= 21-16= 44-25= 54-37= 50-32= 70-34= 44-18= 41-14= 60-27= 21-13= 83-58= 45-17= 66-17= 70-24= 84-17= 60-42= 84-15=姓名________班级________用时________得分________ 54-37= 35-18= 43-14= 54-16= 42-18= 86-18= 55-27= 43-17= 62-38= 57-18= 43-15= 82-28= 26-18= 51-14= 63-47= 75-37= 23-14= 52-27= 76-58= 73-47= 75-17= 77-28= 74-46= 21-18= 24-15= 22-18= 36-17= 73-54= 52-35= 64-48= 41-27= 26-17= 55-18= 75-18= 84-16= 64-37= 42-27= 46-18= 62-35= 47-18= 51-15= 77-18= 87-18= 66-27= 55-18= 43-15= 30-14= 26-18= 31-18= 63-26= 84-65= 50-13= 80-36= 31-14= 34-18= 34-16= 53-27= 41-26= 76-58= 82-58= 83-45= 61-48= 71-22= 40-21= 52-25= 22-18= 55-26= 26-17= 52-17= 24-17= 32-15= 27-18= 73-36= 85-68= 24-18= 85-16= 65-47= 80-45= 57-18= 75-48= 54-36= 86-37= 33-18= 41-28= 66-27= 23-16= 46-27= 77-18= 34-18= 35-16= 43-27= 21-12= 67-48= 75-27= 50-27= 34-17= 66-47= 80-21= 60-15= 33-15=姓名________班级________用时________得分________ 73-35= 66-17= 57-18= 65-28= 70-14= 41-17= 46-18= 85-36= 20-13= 35-16= 65-18= 31-14= 77-58= 34-18= 81-58= 60-44= 40-23= 46-17= 46-18= 46-28= 81-44= 62-28= 37-18= 83-66= 83-34= 42-18= 44-15= 43-18= 77-58= 31-14= 21-18= 30-12= 67-28= 81-18= 20-13= 51-13= 44-15= 73-28= 54-28= 66-47= 21-17= 82-18= 43-25= 26-18= 52-36= 75-18= 74-46= 46-17= 47-28= 23-17= 52-28= 67-18= 43-17= 25-16= 75-57= 53-35= 80-24= 51-32= 24-18= 76-48= 60-32= 61-38= 50-24= 54-15= 25-18= 44-15= 30-18= 30-13= 51-27= 56-18= 24-18= 85-57= 74-28= 52-14= 54-28= 85-46= 75-58= 34-17= 45-28= 47-18= 76-48= 36-18= 87-58= 26-17= 80-13= 54-16= 74-16= 20-11= 55-36= 26-18= 24-18= 57-28= 46-17= 62-17= 64-26= 32-16= 52-37= 71-33= 71-16= 67-48=姓名________班级________用时________得分________ 47-18= 50-28= 67-28= 84-57= 81-43= 44-27= 64-38= 65-18= 42-23= 67-38= 44-15= 31-15= 56-28= 75-26= 60-31= 51-18= 63-44= 27-18= 84-68= 30-18= 67-28= 45-17= 76-18= 57-28= 84-37= 31-18= 50-16= 43-16= 21-15= 52-37= 57-38= 45-28= 60-23= 20-18= 44-27= 47-28= 36-17= 25-17= 56-38= 50-24= 77-18= 63-15= 50-37= 74-47= 50-28= 55-27= 86-48= 42-27= 27-18= 77-58= 71-47= 86-38= 56-37= 77-48= 23-18= 80-41= 56-27= 86-57= 73-57= 26-17= 76-17= 80-13= 37-18= 55-27= 83-36= 26-18= 87-58= 30-15= 50-27= 43-15= 21-12= 42-13= 87-28= 37-18= 60-26= 40-18= 72-18= 55-17= 22-17= 37-18= 23-14= 57-18= 52-34= 72-36= 84-18= 41-23= 27-18= 41-24= 47-28= 53-35= 61-32= 45-28= 30-18= 24-17= 81-46= 73-54= 70-21= 47-18= 72-53= 81-24=姓名________班级________用时________得分________ 24-18= 62-33= 61-16= 45-27= 51-27= 56-38= 87-58= 47-28= 34-16= 40-21= 87-68= 45-27= 52-23= 77-38= 81-23= 44-16= 87-38= 61-15= 56-27= 44-16= 72-55= 43-28= 72-18= 56-17= 21-12= 47-18= 80-28= 22-15= 67-48= 32-18= 41-24= 40-23= 64-36= 83-17= 87-18= 72-57= 85-27= 45-16= 26-17= 80-46= 26-17= 30-13= 82-64= 44-15= 52-24= 85-48= 25-18= 85-47= 45-28= 54-37= 53-27= 43-25= 42-18= 71-23= 53-15= 25-17= 65-36= 66-48= 21-17= 51-22= 83-15= 50-28= 76-38= 31-13= 67-38= 77-18= 33-18= 23-14= 61-13= 76-47= 20-16= 75-27= 76-57= 70-23= 30-14= 23-18= 85-68= 43-27= 56-37= 60-23= 87-58= 42-16= 53-28= 71-18= 81-44= 46-18= 57-38= 42-13= 46-27= 37-18= 76-18= 32-17= 86-48= 76-47= 26-17= 63-25= 60-35= 60-28= 81-16= 67-18=姓名________班级________用时________得分________ 62-34= 55-16= 81-36= 54-36= 57-18= 71-34= 31-14= 65-18= 25-16= 67-28= 55-28= 80-53= 51-17= 57-38= 70-21= 81-63= 34-15= 33-14= 73-34= 87-28= 87-48= 25-17= 43-18= 40-28= 31-17= 72-36= 73-46= 40-18= 47-28= 52-38= 80-43= 67-28= 65-47= 24-18= 36-18= 75-16= 86-47= 27-18= 34-17= 41-25= 21-14= 55-18= 36-18= 30-12= 51-25= 53-18= 21-15= 26-17= 65-37= 50-25= 73-55= 67-48= 25-18= 70-17= 55-27= 86-47= 72-15= 75-27= 74-57= 76-18= 32-13= 67-48= 53-26= 31-18= 31-17= 34-18= 21-18= 70-32= 55-36= 56-37= 73-54= 34-17= 85-18= 63-36= 46-28= 85-56= 41-22= 47-28= 74-47= 44-26= 61-16= 35-17= 81-45= 37-18= 40-18= 71-12= 31-15= 26-18= 87-68= 55-17= 36-18= 24-16= 71-17= 61-26= 63-17= 22-13= 23-14= 70-41= 41-28= 85-38=姓名________班级________用时________得分________ 24-15= 62-24= 51-14= 23-14= 51-23= 86-17= 22-13= 55-26= 86-68= 85-37= 62-43= 60-18= 61-13= 34-18= 25-16= 32-16= 74-36= 40-24= 51-33= 73-48= 61-24= 65-16= 81-53= 43-28= 64-48= 41-18= 21-16= 87-38= 25-16= 86-58= 70-45= 44-18= 37-18= 74-16= 36-17= 63-14= 34-16= 81-17= 51-32= 44-15= 60-48= 70-48= 84-66= 36-17= 37-18= 22-16= 57-38= 30-16= 50-17= 40-27= 20-17= 76-58= 25-18= 22-18= 76-37= 67-48= 22-18= 31-17= 47-18= 56-18= 56-17= 60-11= 62-26= 44-25= 35-18= 25-17= 61-43= 80-37= 72-14= 50-32= 27-18= 32-14= 77-48= 87-58= 35-17= 33-16= 44-18= 20-12= 43-24= 65-38= 63-24= 55-28= 50-27= 56-17= 66-18= 46-28= 86-67= 62-26= 64-48= 72-17= 41-26= 53-26= 26-18= 42-16= 80-36= 55-38= 85-57= 83-66= 32-14= 26-17=姓名________班级________用时________得分________ 82-23= 73-36= 21-15= 30-14= 30-16= 20-14= 70-26= 34-17= 40-28= 63-18= 70-27= 30-14= 42-14= 65-16= 61-24= 77-48= 65-16= 25-18= 30-14= 67-38= 32-17= 57-18= 63-26= 65-38= 35-17= 22-14= 43-27= 84-27= 22-16= 56-28= 52-13= 71-48= 84-47= 36-17= 86-17= 27-18= 23-17= 37-18= 40-25= 84-15= 74-56= 61-22= 80-32= 20-12= 26-17= 76-18= 40-24= 67-38= 21-12= 66-17= 71-42= 85-58= 86-18= 70-37= 46-28= 41-25= 83-17= 25-18= 77-18= 45-27= 73-44= 45-28= 55-17= 43-28= 50-17= 74-48= 21-17= 45-18= 75-16= 31-13= 22-13= 80-32= 23-16= 80-23= 35-17= 84-66= 50-33= 61-13= 21-13= 64-48= 45-18= 47-28= 61-43= 21-12= 24-15= 62-44= 60-32= 55-28= 57-28= 45-27= 33-16= 44-15= 57-38= 51-28= 84-16= 83-57= 86-68= 34-16= 80-22= 30-18=姓名________班级________用时________得分________ 84-15= 32-17= 25-17= 55-28= 70-55= 41-15= 36-18= 53-18= 64-46= 80-24= 71-13= 53-17= 65-38= 32-17= 46-17= 87-68= 73-28= 73-14= 86-28= 45-17= 54-36= 86-67= 86-28= 30-18= 34-16= 76-38= 86-58= 82-53= 84-46= 71-27= 53-27= 83-57= 27-18= 84-45= 35-18= 26-18= 51-12= 30-16= 62-37= 47-18= 33-15= 60-27= 36-17= 82-47= 63-17= 84-28= 24-15= 66-28= 56-38= 26-17= 87-18= 31-17= 75-17= 32-15= 50-22= 43-16= 77-18= 44-17= 53-26= 23-15= 55-26= 64-48= 20-14= 61-48= 84-27= 73-37= 53-17= 64-35= 36-18= 75-38= 72-36= 20-14= 52-33= 73-38= 34-15= 61-38= 32-17= 41-13= 26-17= 56-17= 56-37= 55-28= 55-27= 86-58= 86-47= 57-28= 41-12= 77-28= 71-16= 51-36= 26-17= 44-28= 26-18= 20-11= 81-43= 36-18= 73-24= 45-17= 53-37= 54-18=。
20以内的退位减法练习题
20以内的退位减法练习题1. 19减去6等于多少？
答案：13
2. 15减去9等于多少？
答案：6
3. 18减去4等于多少？
答案：14
4. 12减去7等于多少？
答案：5
5. 17减去3等于多少？
答案：14
6. 11减去8等于多少？
答案：3
7. 16减去2等于多少？
答案：14
8. 10减去5等于多少？
答案：5
9. 15减去1等于多少？答案：14
10. 9减去6等于多少？答案：3
11. 14减去3等于多少？答案：11
12. 8减去5等于多少？答案：3
13. 13减去2等于多少？答案：11
14. 7减去4等于多少？答案：3
15. 12减去1等于多少？答案：11
16. 6减去3等于多少？答案：3
17. 11减去2等于多少？
答案：9
18. 5减去2等于多少？
答案：3
19. 10减去1等于多少？
答案：9
20. 4减去1等于多少？
答案：3
通过以上20道退位减法练习题，我们可以巩固对20以内减法的运算技巧。
请尝试完成这些练习题，并核对答案。
通过反复练习，我们可以提高对减法的理解和运算速度。
祝你学习进步！。