五年级上册数学 《一个数除以小数》练习题
五年级数学上册第3单元《一个数除以小数》练习题课件(人教版)
4.把下面的题变成除数是整数的除法。 6.21÷0.03= 621÷3 、109.2÷0.42= 197.6÷52 、 19.76÷5.2= 108÷45 、10.8÷4.5= 2100÷14 、
210÷1.4= 10920÷42 、6.825÷0.91= 682.5÷91 、
5.飞机的速度是火车的多少倍?
人教版-五年级-上
第3单元
2 一个数除以小数
6.9÷3= 2.3 2.4÷6= 0.4 4.8÷4=1.2
4.8÷8= 0.6
3.6÷3= 1.2 5.6÷7= 0.8
8.08÷101=0.08 12.2÷2= 6.1
知识点1:一个数除以小数的计算方法 1.在 里填上“>”“<”或“=”。
1.36÷0.99 > 1.36 0.47÷0.58 > 0.47
3.14÷1.02 < 3.14 0.52÷1.46 < 0.52
知识点2:被除数的小数位数比除数少的除法
3÷0.14=
3.在 里填上“>”“<”或“=”。 4.8÷0.2 > 4.8×0.2 2.45×1 = 2.45÷1
53.2÷1.5 < 53.2÷0.5
0.225÷0.025=9 答：是火车的9倍。
6.某广告每天播出0.4分钟,需付2.5万元广告费, 平均每分钟付广告费多少万元?
2.5÷0.4=6.25(万元) 答：平均每分钟付广告费6.25万元。
7.陈鹏在计算一个两位小数除以1.8时,把被除 数的小数点漏掉了,商是120。原来这个被除 数是多少?正确的商是多少?
1.8×120=216,原来这个被除数是2.16。 2.16÷1.8=1.2,正确的商是1.2。
人教版五年级上学期数学课后训练题：《一个数除以小数》
人教版五年级上学期数学课后训练题：《一个数除以小数》1. 口算。
1.6÷0.8= 7.2÷0.6= 3.9÷3.9=1.8×0.5= 6.3÷9= 3.7+4.8=0÷6.81= 2.5÷10= 0.15×8=4.2÷1.4= 16-5.7= 80÷1.6=2. 先计算，再看一看哪几题的商大于被除数，哪几题的商小于被除数，你能发现什么规律?76.8÷2.4 4.68÷2.69.12÷1.2 76.8÷0.244.68÷0.26 9.12÷0.123. 在里填上”gt;”“lt;”或“=”。
0.038 0.038÷1 0.78÷0.92 0.784÷9 0.4 4.51÷1.1 4.515.8÷0.01 5.8 9.83÷1.8 9.834. 世界上最大的鸟是驼鸟，一个鸵鸟蛋约重1.5千克。
一个鸡蛋一般只有0.06千克，一个驼鸟蛋的重量约是一个鸡蛋的几倍?5. 先在得数小于1的算式下面画横线，再计算。
0.51÷0.85 27.9÷0.0623.6÷4.8 37.2÷2425.2÷63 6.3÷0.42以上就是为大家整理的五年级上学期数学课后训练题，大家还满意吗?希望对大家有所帮助!相关链接：最新五年级数学《小数乘整数》练习题：第一学期 2016年秋季五年级上学期数学课后练习题：《对称、平移与旋转》。
五年级数学上册《一个数除以小数》
双休日小勇和爸爸去爬山。从山底
到山顶全程有7.65千米，爸爸上山 用了3小时，小勇乘缆车用了0.9小 时，爸爸和小勇每小时分别行多少 千米？
列竖式计算
0.16 0.544
在除法中，被除数和除数同时扩大或缩小 相同的倍数，商不变。
列竖式计算
0.28 12.6
应用商不变性质，先把除数转化成整数 计算。 再按照除数是整数的除法的计算方 法计算。
计算“107.8÷0.14”时，如果把除数0.14转化成 整数，除数的小数点向右移动了（两）位，根 据商不变性质，被除数的小数点也要向右移动 （ 两 ）位，被除数的小数位数不够（一 ）位， 就要在末尾（添一个0 ），转化（10780 ）。
怎么转化成除数是整数的除法。
. 7.5. 2.5
1.4. 3 5 0
1.2 5.2.5 0.
列竖式计算
4.41÷0.9= 0.915÷0.05= 40÷0.032=
一个数除以小数
应用商不变性质，先把除数转化成整数 计算。 再按照除数是整数的除法的计算方 法计算。
一个数除以小数
口算
5.4÷9=
0.6
4.8÷4=1.2 9.03÷3=
3.01
7.2÷8=
0.9
20.5÷5= 4.1
2.4÷12= 0.2
填空
62.4 ÷2.6 =（ 624 7.65 ÷0.9 =（ 76.5 0.544÷0.16=（ 54.4 12.6÷0.028=（ 12600 ）÷26 ） ÷9 ）÷16 ）÷28
五年级上册数学试题-3、2一个数除以小数 -人教版(含答案)
3.2一个数除以小数第一课时1．在○里填上“＞”“＜”或“=”。
1.36÷0.99○1.36 0.47÷0.58○0.473.14÷1.01○3.14 7.95÷1○7.952. 填空题。
(1)除数是小数的除法,先移动( )的小数点,使它变成( ),除数的小数点向右移动几位,被除数的小数点也( )移动( ),位数不够的,在被除数的( )用“0”补足。
(2)在除法中,如果除数扩大到原来的100倍,要使商不变,被除数也要( )到原来的( )。
3. 玩具火车每辆16.5元,玩具汽车每辆5.5元,玩具手枪每支11元。
(1)玩具火车的价格是玩具汽车的多少倍?(2)请你再提出一个问题并解答。
4.妈妈买1.5千克的虾用去39元，买0.7千克肉用去8.4元,每千克虾比每千克肉贵多少元？第二课时1．列竖式计算。
10.8÷1.2 3.26÷1.63 0.832÷0.26142.2÷0.18 27.5÷0.025 133÷0.352. 国际长途每分钟5.25元，小军打国际长途电话花了31.5元，小军打了几分钟？3. 一只鸵鸟0.75小时跑了51千米。
这只鸵鸟的奔跑速度是多少？4. 小红打国内长途电话花了8.4元，国内长途每分钟0.7元，小红打了几分钟？5. 2.4千克花生可以榨油1.56千克。
照这样计算，1千克花生可以榨油多少千克？第一课时答案1.＞＞＜ =2. (1)除数整数右几位末尾(2)扩大 100倍3. (1)16.5÷5.5=3答：玩具火车的价格是玩具汽车的3倍。
(2)玩具手枪的价格是玩具汽车的多少倍?11÷5.5=2答：玩具手枪的价格是玩具汽车的2倍。
4.39÷1.5=26（元）8.4÷0.7=12（元）26-12=14（元）第二课时答案2. 31.5÷5.25=6(分)答：小军打了6分钟。
人教版小学五年级数学上册3.小数除法(一个数除以小数2)同步练习(含答案)
人教版小学五年级数学上册3.小数除法（一个数除以小数2）同步练习（含答案）人教版小学五年级数学上册3.小数除法（一个数除以小数2）同步练习（含答案）一、填空题1．不计算，在括号里填上“＞”“＜”或“＝”。
4.5÷0.9( )4.5 7.03×0.8( )7.03 3.28×0.4( )3.28÷0.4 96÷3( )9.6÷0.3 2．笔算时，被除数和除数的小数点要向( )移动( )位。
3．小明在计算3.84除以一个数时，由于商的小数点向右多点了一位，结果得25.6，这道题的除数是( )。
4．小宁和小芳走同一段路，小宁每小时走4.5千米，小芳每小时比小宁少走0.9千米，小芳走完这段路比小宁多用0.25小时。
这段路有( )千米。
5．算式13×1.95的积是( )位小数，估一估它的积约是( )；算式25.01÷0.51的商的最高位是( )位，估一估它的商约是( )。
6．刘阿姨去市场买水果。
她先花8元买了3.2千克香蕉，还准备买3千克苹果，苹果的单价是香蕉的1.2倍。
(1)每千克香蕉( )元。
(2)买香蕉和苹果一共花了( )元。
二、选择题7．实验学校3名男同学在运动会中立定跳远的比赛成绩如图，其中“□”里应填（）。
A．4 B．5 C．88．两数相除的商是2.4，被除数和除数同时扩大为原来的8倍，商是（）。
A．17.6 B．0.3 C．2.49．下面算式中商大于1的是（）。
A．0.96÷0.3 B．4.25÷5 C．0.52÷1.310．修路队要修一条长180米的路，4小时修了32.8米。
？算式180÷（32.8÷4）要解决的问题是（）。
A．修这条路需要多少小时B．还有多少小时就可以修完这条路C．平均每小时修路多少米11．小机灵在用计算器计算3.6×21时，发现计算器的按键“3”坏了，他想到了4种不同的输入方法。
数学五年级上册一个数除以小数解决问题复习题(含答案)
3.2一个数除以小数1．江湾停车场汽车停车按时分段计费,收费标准见下表。
（2）芳芳家的汽车在该停车场也停了一些时间,芳芳的爸爸因此交了23元停车费,芳芳家的汽车停了多少小时?2．一个长方形的大厅,长16.5米,宽8.4米,用每块面积为0.12平方米的方砖铺地．至少需要方砖多少块呢?3．妈妈让小亮去超市买大米．某牌子的大米原价4.8元,妈妈给小亮准备好买30千克的钱．小亮来到超市,发现这种大米正在促销,单价为每千克4.5元．这样可以多买多少千克大米?4．两种规格的巧克力,A 种0.45千克卖31.5元,B 种0.25千克卖18元。
哪一种规格的巧克力比较便宜?每千克便宜多少元?5．4辆汽车2.5小时运煤85吨,平均每辆汽车每小时运煤多少吨?6．某车队共有6辆汽车。
该车队20天一共节约汽油229.5千克,平均每辆汽车每天节约汽油多少千克?7．一条公路长477km,一辆客车4.5小时行完全程,一辆货车6小时行完全程。
客车的速度大约是货车的多少倍?（得数保留一位小数）8．某地区为了鼓励居民节约用水,自来水公司规定,每户用水12吨以内（含12吨）按每吨2.5元收费,超过12吨的,其超过部分按每吨3.8元收费,小明家上月共用水17吨应该交水费多少元?小岚家交了71.8元水费,她家用了多少吨水?9．强强从学校去街心公园,每小时走4.8千米,0.5小时可以到达；如果每小时只走3.2千米,用0.8小时能到街房公园吗?10．养鸡场每天喂鸡需要0.16吨饲料,运来5.28吨饲料,够用多少天?11．小明家的客厅长12米,宽4.8米,现在要铺上地砖,每块地砖的边长是0.8米的正方形,至少需要多少块这样的地砖?12．妈妈用13.5元买了2.5kg西红柿,还准备买2kg豆角,豆角的单价是西红柿的1.5倍,豆角每千克多少元?13．某市居民用电按阶梯收费,收费标准如下（不足1千瓦时按1千瓦时计算）（2）小丽家上月缴纳电费共157.1元,她家上月用电多少千瓦时?14．张老师骑自行车去学校上班,每小时骑14.7km,0.2小时到校,如果他步行去上班,每小时走4.2km,几小时能到学校?15．小张和小王两人同时从甲乙两地出发,相向而行,步行1小时15分钟后,小张走完两村之间的路程的一半还多0.75千米,此时恰好与小王相遇,小王每小时行3.7千米,小张每小时行多少千米?16．王老师以16千米/时的速度骑车,从家到学校要用0.35小时,如果她改为步行,在1.4小时内回到家,那么她平均每小时至少要行多少千米?17．小明家今年第一季度支出水费52.5元。
五年级上册口算题 一个数除以小数 3000题
9.24 ÷ 7.7 =24.85 ÷ 7.1 = 1.38 ÷ 0.2 =26.95 ÷ 5.5 =68.85 ÷ 8.1 =48.45 ÷ 5.1 =25.3 ÷ 5.5 =13.32 ÷ 7.4 =51.92 ÷ 8.8 =15.47 ÷ 1.7 =31.96 ÷ 6.8 =40.5 ÷ 8.1 =45.12 ÷ 9.6 =7.6 ÷ 3.8 =10.56 ÷ 2.2 =3.3 ÷ 1.1 =11.88 ÷ 3.6 =9.46 ÷ 4.3 =26.0 ÷ 6.5 =24.18 ÷ 3.9 =72.25 ÷ 8.5 =34.17 ÷ 6.7 =13.6 ÷ 3.4 =18.48 ÷ 4.4 =33.37 ÷ 4.7 =51.75 ÷ 7.5 =13.12 ÷ 8.2 =19.68 ÷ 8.2 =55.25 ÷ 8.5 =83.72 ÷ 9.1 =3.48 ÷ 1.2 =16.56 ÷ 7.2 =30.66 ÷ 7.3 =26.88 ÷ 2.8 =10.98 ÷ 1.8 =78.12 ÷ 8.4 =2.86 ÷ 2.6 =8.25 ÷ 1.5 =95.04 ÷ 9.9 =21.15 ÷ 4.7 =32.33 ÷ 6.1 = 4.38 ÷ 0.6 =21.08 ÷ 6.8 =28.08 ÷ 5.4 =42.24 ÷ 4.8 =练习范围：一个数除以小数 题数：100分秒成绩:1.82 ÷ 1.4 = 6.66 ÷ 0.9 =31.86 ÷ 5.4 = 39.6 ÷ 4.4 =57.04 ÷ 6.2 =74.69 ÷ 7.7 = 24.78 ÷ 5.9 =31.72 ÷ 5.2 =27.28 ÷ 4.4 = 8.55 ÷ 1.5 =23.68 ÷ 7.4 =9.1 ÷2.6 = 73.26 ÷ 9.9 =9.45 ÷ 1.5 =14.28 ÷5.1 = 29.14 ÷6.2 =10.85 ÷ 3.5 =20.01 ÷ 2.9 = 15.54 ÷7.4 =19.6 ÷ 2.8 =7.2 ÷ 0.8 = 36.4 ÷ 9.1 =0.8 ÷ 0.5 =9.8 ÷ 2.8 = 58.29 ÷ 6.7 =53.46 ÷ 8.1 =29.61 ÷ 6.3 = 17.36 ÷ 2.8 =21.33 ÷ 2.7 =20.52 ÷ 2.7 = 33.15 ÷ 3.9 =18.15 ÷ 5.5 =15.04 ÷ 4.7 = 1.32 ÷ 0.6 =90.16 ÷ 9.2 = 1.04 ÷ 0.2 = 31.92 ÷ 4.2 =32.56 ÷ 7.4 =26.13 ÷ 3.9 = 69.12 ÷ 9.6 =24.8 ÷ 3.1 =60.16 ÷ 9.4 = 54.75 ÷ 7.3 =22.42 ÷ 5.9 =24.96 ÷ 7.8 = 21.56 ÷ 2.8 =11.31 ÷ 2.9 =69.6 ÷ 8.7 = 4.95 ÷ 3.3 =78.02 ÷ 9.4 =56.98 ÷ 7.7 = 97.02 ÷ 9.8 =26.95 ÷ 7.7 =56.73 ÷ 9.3 =86.49 ÷ 9.3 =76.36 ÷ 8.3 =10.56 ÷ 3.2 =22.08 ÷ 9.6 =46.64 ÷ 5.3 =75.46 ÷ 7.7 =7.95 ÷ 1.5 =48.96 ÷ 5.1 = 1.76 ÷ 0.8 =13.3 ÷ 1.4 =38.19 ÷ 5.7 =10.64 ÷ 3.8 =36.92 ÷ 5.2 =1.76 ÷ 0.4 =37.7 ÷ 5.8 =33.62 ÷ 8.2 =43.56 ÷ 4.4 =10.14 ÷ 1.3 =26.73 ÷ 2.7 =8.5 ÷ 1.7 =61.92 ÷ 7.2 =14.28 ÷ 6.8 =31.72 ÷ 6.1 =21.84 ÷ 4.2 =20.16 ÷ 4.2 =34.83 ÷ 4.3 =55.44 ÷ 6.6 =63.9 ÷ 7.1 =59.85 ÷ 9.5 =18.81 ÷ 1.9 =27.73 ÷ 5.9 =27.06 ÷ 6.6 =10.36 ÷ 3.7 =43.16 ÷ 5.2 =6.39 ÷ 0.9 =7.98 ÷ 2.1 =23.56 ÷ 3.8 =18.72 ÷ 3.6 =36.58 ÷ 5.9 =17.36 ÷ 3.1 =6.66 ÷ 1.8 =2.4 ÷ 0.8 =2.96 ÷ 0.8 =练习范围：一个数除以小数 题数：100分秒成绩:1.36 ÷ 0.2 =31.5 ÷ 4.5 =39.78 ÷ 5.1 = 46.41 ÷ 9.1 =10.14 ÷ 7.8 =20.88 ÷ 8.7 = 1.14 ÷ 0.3 =66.88 ÷ 7.6 =17.16 ÷ 3.3 = 58.22 ÷ 8.2 =16.34 ÷ 4.3 = 6.3 ÷ 1.8 = 16.28 ÷2.2 = 1.64 ÷ 0.2 =21.58 ÷ 8.3 = 5.33 ÷ 4.1 =16.12 ÷3.1 =4.18 ÷ 1.9 = 44.53 ÷ 6.1 =32.33 ÷5.3 =18.72 ÷ 2.6 = 1.35 ÷ 0.9 =26.4 ÷ 6.6 =75.24 ÷7.6 = 22.91 ÷ 7.9 =39.06 ÷ 9.3 =51.75 ÷ 6.9 = 33.48 ÷ 3.6 =18.81 ÷ 3.3 =13.92 ÷ 5.8 =9.36 ÷ 2.6 =37.73 ÷ 7.7 =7.8 ÷ 1.5 = 16.38 ÷ 6.3 =81.6 ÷ 9.6 =11.04 ÷ 1.2 =16.72 ÷ 4.4 =22.09 ÷ 4.7 =28.52 ÷ 9.2 =17.67 ÷ 3.1 = 5.06 ÷ 4.6 = 4.0 ÷ 2.5 = 2.52 ÷ 0.9 =35.69 ÷ 8.3 =49.77 ÷ 7.9 = 14.3 ÷ 5.5 =18.72 ÷ 3.9 =10.12 ÷ 9.2 = 0.68 ÷ 0.2 =19.17 ÷ 2.7 =16.52 ÷ 5.9 = 17.1 ÷ 3.8 =22.91 ÷ 7.9 =16.52 ÷ 5.9 = 3.3 ÷ 0.5 =16.12 ÷ 3.1 =42.88 ÷ 6.7 =12.76 ÷ 4.4 =17.82 ÷ 9.9 = 3.2 ÷ 0.8 =19.88 ÷ 2.8 =21.5 ÷ 8.6 = 4.81 ÷ 3.7 =24.36 ÷ 8.7 =13.4 ÷ 6.7 =86.49 ÷ 9.3 = 1.21 ÷ 1.1 =58.88 ÷ 9.2 =11.78 ÷ 3.8 =18.72 ÷ 3.9 =18.81 ÷ 3.3 = 1.64 ÷ 0.2 =30.42 ÷ 7.8 =39.06 ÷ 9.3 = 1.14 ÷ 0.3 =17.48 ÷ 7.6 =6.3 ÷ 1.8 =0.3 ÷ 0.3 =26.73 ÷ 9.9 =6.23 ÷ 0.7 =49.77 ÷ 7.9 =24.75 ÷ 4.5 =33.62 ÷ 8.2 =9.6 ÷ 9.6 =7.14 ÷ 3.4 =23.8 ÷ 3.4 =36.1 ÷ 9.5 =33.15 ÷ 5.1 =5.75 ÷ 2.3 = 1.84 ÷ 0.4 =52.78 ÷ 9.1 =39.44 ÷ 6.8 =43.55 ÷ 6.7 =10.03 ÷ 5.9 =7.82 ÷ 4.6 =50.25 ÷ 6.7 =12.65 ÷ 5.5 =练习范围：一个数除以小数 题数：100分秒成绩:15.41 ÷ 2.3 =10.5 ÷ 2.1 =92.16 ÷ 9.6 = 23.1 ÷ 5.5 = 5.04 ÷ 4.2 =59.63 ÷ 6.7 = 27.73 ÷ 5.9 =10.72 ÷ 6.7 =7.98 ÷ 5.7 = 22.09 ÷ 4.7 = 3.72 ÷ 3.1 =17.86 ÷ 3.8 = 51.7 ÷ 9.4 =17.1 ÷ 3.8 =16.8 ÷ 4.2 = 29.25 ÷ 7.5 =28.12 ÷ 7.4 =8.5 ÷ 1.7 = 50.49 ÷ 5.1 =19.52 ÷ 3.2 =17.75 ÷ 2.5 = 6.66 ÷ 1.8 =15.6 ÷ 7.8 =17.98 ÷ 2.9 = 30.02 ÷ 7.9 =35.69 ÷ 8.3 =16.34 ÷ 4.3 = 8.1 ÷ 0.9 =23.43 ÷ 3.3 =11.55 ÷ 2.1 = 6.24 ÷ 0.8 =70.81 ÷ 7.3 =53.32 ÷ 8.6 = 1.68 ÷ 0.4 =12.48 ÷ 3.2 =11.21 ÷ 1.9 = 17.16 ÷ 3.3 = 6.75 ÷ 0.9 =73.04 ÷ 8.3 = 46.64 ÷ 5.3 = 2.4 ÷ 0.8 =37.72 ÷ 4.1 = 76.36 ÷ 8.3 =0.74 ÷ 0.1 =18.9 ÷ 6.3 = 1.36 ÷ 0.2 =47.79 ÷ 5.9 =35.36 ÷ 5.2 = 17.85 ÷ 8.5 = 3.3 ÷ 2.2 =21.9 ÷ 7.3 = 26.95 ÷ 7.7 =17.82 ÷ 2.7 =7.99 ÷ 4.7 = 5.04 ÷ 1.8 =1.23 ÷ 0.3 =9.38 ÷ 6.7 =50.76 ÷ 9.4 =14.8 ÷ 7.4 =8.54 ÷ 1.4 =30.55 ÷ 6.5 =1.2 ÷ 0.6 =23.56 ÷ 6.2 =82.45 ÷ 9.7 =3.8 ÷ 3.8 = 6.72 ÷ 3.2 =55.2 ÷ 9.2 =20.64 ÷ 8.6 =20.46 ÷ 3.1 =10.58 ÷ 4.6 =22.32 ÷ 6.2 =9.18 ÷ 1.7 =49.68 ÷ 9.2 =21.0 ÷ 7.5 =45.1 ÷ 5.5 =19.72 ÷ 6.8 =47.52 ÷ 7.2 =15.51 ÷ 4.7 =19.08 ÷ 5.3 =37.8 ÷ 6.3 =40.7 ÷ 7.4 =33.3 ÷ 4.5 =7.74 ÷ 4.3 =12.06 ÷ 6.7 =29.44 ÷ 9.2 =19.76 ÷ 2.6 =20.21 ÷ 4.3 =51.0 ÷ 8.5 =1.41 ÷ 0.3 =86.48 ÷ 9.2 =24.5 ÷ 3.5 =33.32 ÷ 9.8 =0.59 ÷ 0.1 =10.08 ÷ 4.2 =75.65 ÷ 8.9 =10.2 ÷ 5.1 =34.56 ÷ 5.4 =练习范围：一个数除以小数 题数：100分秒成绩:68.82 ÷ 9.3 =27.38 ÷ 7.4 =30.24 ÷ 3.6 = 45.6 ÷ 4.8 =7.99 ÷ 1.7 =39.9 ÷ 4.2 = 39.13 ÷ 4.3 =38.19 ÷ 6.7 = 3.15 ÷ 1.5 = 21.39 ÷ 2.3 =10.88 ÷ 1.7 =16.65 ÷ 3.7 = 38.27 ÷ 4.3 =17.8 ÷ 8.9 = 5.89 ÷ 3.1 = 44.55 ÷ 4.5 =10.5 ÷ 7.5 =34.2 ÷ 4.5 = 53.69 ÷ 9.1 =37.76 ÷ 6.4 =17.1 ÷ 5.7 = 3.23 ÷ 1.9 =8.67 ÷ 5.1 =58.48 ÷ 8.6 = 27.3 ÷ 6.5 = 2.4 ÷ 0.6 =20.8 ÷ 3.2 = 16.24 ÷ 5.6 =8.2 ÷ 4.1 = 6.65 ÷ 0.7 = 77.22 ÷ 7.8 =52.54 ÷ 7.1 =32.2 ÷ 9.2 = 17.76 ÷ 4.8 =19.92 ÷ 2.4 =19.52 ÷ 3.2 = 1.26 ÷ 0.6 =58.59 ÷ 6.3 =32.94 ÷ 5.4 = 11.05 ÷ 1.3 =17.0 ÷ 2.5 = 6.25 ÷ 2.5 = 11.75 ÷ 4.7 =41.6 ÷ 6.5 =18.75 ÷ 7.5 = 66.96 ÷ 9.3 =7.56 ÷ 0.9 =21.7 ÷ 6.2 = 16.6 ÷ 8.3 =41.86 ÷ 9.1 = 1.84 ÷ 0.4 = 63.24 ÷ 6.8 =10.01 ÷ 1.3 =34.84 ÷ 6.7 =57.6 ÷ 6.4 =29.7 ÷ 9.9 =7.68 ÷ 4.8 =35.99 ÷ 5.9 =17.52 ÷ 2.4 =17.1 ÷ 3.8 =10.03 ÷ 5.9 =41.54 ÷ 6.2 =40.29 ÷ 7.9 = 5.12 ÷ 3.2 =4.5 ÷ 4.5 =30.02 ÷ 7.9 = 1.11 ÷ 0.3 =6.24 ÷ 0.8 =14.49 ÷ 6.9 = 5.46 ÷ 1.4 =52.78 ÷ 9.1 =53.32 ÷ 8.6 =21.73 ÷ 5.3 =22.36 ÷ 8.6 =56.09 ÷ 7.1 =18.81 ÷ 1.9 =17.75 ÷ 2.5 = 5.28 ÷ 4.8 = 4.32 ÷ 0.9 =8.84 ÷ 6.8 =36.1 ÷ 9.5 =36.58 ÷ 5.9 =33.48 ÷ 3.6 =39.06 ÷ 9.3 =18.81 ÷ 3.3 =48.96 ÷ 5.1 =12.48 ÷ 3.2 =47.88 ÷ 8.4 =46.55 ÷ 4.9 = 5.33 ÷ 4.1 =18.0 ÷ 7.5 =11.21 ÷ 1.9 =27.06 ÷ 6.6 = 2.4 ÷ 0.8 =86.13 ÷ 8.7 =1.14 ÷ 0.3 =24.75 ÷ 4.5 =练习范围：一个数除以小数 题数：100分秒成绩:33.15 ÷ 5.1 =13.86 ÷ 6.6 =11.2 ÷ 2.8 = 23.04 ÷ 9.6 =14.96 ÷ 2.2 =38.22 ÷ 4.2 = 63.9 ÷ 7.1 =17.16 ÷ 3.3 =51.7 ÷ 9.4 =31.74 ÷ 4.6 = 6.89 ÷ 5.3 =26.95 ÷ 7.7 =32.33 ÷ 5.3 =10.14 ÷ 3.9 = 5.3 ÷ 5.3 = 10.32 ÷ 2.4 =44.53 ÷ 6.1 =17.25 ÷ 6.9 = 31.5 ÷ 4.5 = 6.88 ÷ 1.6 =28.38 ÷ 6.6 = 29.7 ÷ 5.4 =49.77 ÷ 7.9 =46.98 ÷ 5.4 = 1.21 ÷ 1.1 =41.76 ÷ 4.8 = 6.66 ÷ 1.8 = 10.56 ÷ 1.6 = 6.0 ÷ 2.5 =10.29 ÷ 2.1 = 26.55 ÷ 4.5 =28.38 ÷ 4.3 =37.26 ÷ 4.6 = 1.98 ÷ 0.6 =74.26 ÷ 9.4 = 4.32 ÷ 3.6 = 73.04 ÷ 8.3 =68.53 ÷ 7.7 =17.67 ÷ 3.1 = 21.6 ÷ 2.4 =0.74 ÷ 0.1 =8.5 ÷ 1.7 = 16.34 ÷ 4.3 =13.2 ÷ 1.5 =13.14 ÷ 1.8 = 50.25 ÷ 6.7 =37.73 ÷ 7.7 =10.15 ÷ 3.5 = 16.43 ÷ 3.1 =8.46 ÷ 1.8 =17.98 ÷ 2.9 = 68.4 ÷ 7.6 =3.5 ÷ 3.5 =16.5 ÷ 2.5 =27.9 ÷ 6.2 =49.77 ÷ 6.3 =49.64 ÷ 7.3 =29.93 ÷ 7.3 =22.79 ÷ 5.3 =10.64 ÷ 1.4 =28.71 ÷ 2.9 =18.92 ÷ 2.2 =21.6 ÷ 5.4 = 2.73 ÷ 0.3 =16.66 ÷ 9.8 =4.7 ÷ 0.5 =20.24 ÷ 2.2 =28.06 ÷ 6.1 =48.3 ÷ 6.9 =7.03 ÷ 1.9 =59.52 ÷ 6.2 =15.08 ÷ 5.2 = 3.0 ÷ 1.2 =2.04 ÷ 0.4 =15.96 ÷ 3.8 =51.59 ÷ 7.7 =11.52 ÷ 7.2 = 5.11 ÷ 0.7 =11.34 ÷ 1.4 =26.0 ÷ 6.5 =83.3 ÷ 8.5 = 5.94 ÷ 2.2 =4.74 ÷ 0.6 = 2.52 ÷ 0.9 =23.79 ÷ 6.1 =28.05 ÷ 3.3 =18.55 ÷ 3.5 =13.35 ÷ 8.9 =50.35 ÷ 5.3 =0.62 ÷ 0.1 =70.56 ÷ 8.4 =13.2 ÷ 4.4 =30.94 ÷ 9.1 =95.04 ÷ 9.6 =38.25 ÷ 4.5 =20.7 ÷ 6.9 =11.02 ÷ 2.9 =练习范围：一个数除以小数 题数：100分秒成绩:26.04 ÷ 6.2 =7.26 ÷ 2.2 =34.45 ÷ 6.5 = 45.43 ÷ 7.7 = 3.2 ÷ 0.4 =50.32 ÷ 6.8 = 15.75 ÷ 6.3 =55.18 ÷ 8.9 =21.34 ÷ 2.2 = 40.89 ÷ 4.7 =11.39 ÷ 6.7 =32.3 ÷ 9.5 = 66.22 ÷ 7.7 = 3.51 ÷ 0.9 =8.19 ÷ 6.3 = 1.32 ÷ 0.6 =9.15 ÷ 1.5 =20.01 ÷ 6.9 = 60.0 ÷ 7.5 = 4.88 ÷ 0.8 = 3.41 ÷ 3.1 = 14.28 ÷ 2.1 =68.89 ÷ 8.3 =13.86 ÷ 2.2 = 50.82 ÷ 6.6 =12.6 ÷ 4.5 =10.89 ÷ 1.1 = 52.92 ÷ 8.4 =9.24 ÷ 4.4 =14.79 ÷ 1.7 = 15.84 ÷ 4.4 = 1.9 ÷ 0.2 =32.86 ÷ 6.2 = 27.95 ÷ 4.3 =19.09 ÷ 8.3 =26.23 ÷ 6.1 = 22.68 ÷ 5.4 =71.78 ÷ 9.7 =29.7 ÷ 5.4 = 7.44 ÷ 3.1 =22.1 ÷ 6.5 =21.84 ÷ 3.9 = 25.65 ÷ 9.5 =85.14 ÷ 9.9 =19.44 ÷ 5.4 = 9.6 ÷ 3.2 =15.47 ÷ 1.7 = 3.0 ÷ 1.5 = 3.24 ÷ 1.8 =87.4 ÷ 9.2 =14.57 ÷ 3.1 = 55.44 ÷ 9.9 =10.64 ÷ 3.8 =58.2 ÷ 9.7 =21.5 ÷ 4.3 =1.16 ÷ 0.4 = 1.14 ÷ 0.3 =12.48 ÷ 3.2 =8.47 ÷ 7.7 =31.74 ÷ 4.6 =11.04 ÷ 1.2 =60.97 ÷ 6.7 =55.68 ÷ 6.4 =66.88 ÷ 7.6 =17.75 ÷ 2.5 =26.52 ÷ 5.2 =10.71 ÷ 6.3 =11.59 ÷ 6.1 =15.54 ÷ 4.2 =33.15 ÷ 5.1 =9.87 ÷ 4.7 =10.67 ÷ 1.1 =23.4 ÷ 7.8 =16.34 ÷ 4.3 =41.3 ÷ 5.9 =10.15 ÷ 3.5 =52.47 ÷ 9.9 =8.5 ÷ 1.7 =7.95 ÷ 1.5 =0.16 ÷ 0.1 =50.25 ÷ 6.7 =11.7 ÷ 7.8 =5.75 ÷ 2.3 =46.4 ÷ 5.8 = 1.36 ÷ 0.2 =24.75 ÷ 4.5 =30.02 ÷ 7.9 =18.81 ÷ 1.9 =17.98 ÷ 2.9 =29.6 ÷ 7.4 =19.17 ÷ 2.7 =39.99 ÷ 9.3 =37.82 ÷ 6.1 =17.16 ÷ 3.3 =24.48 ÷ 4.8 =1.44 ÷ 0.4 =30.07 ÷ 3.1 =练习范围：一个数除以小数 题数：100分秒成绩:36.96 ÷ 4.4 = 5.3 ÷ 5.3 =69.3 ÷ 9.9 = 11.28 ÷ 2.4 =16.52 ÷ 5.9 =33.48 ÷ 3.6 = 15.41 ÷ 2.3 =19.55 ÷ 2.3 =21.84 ÷ 8.4 = 17.82 ÷ 9.9 =27.44 ÷ 2.8 =26.95 ÷ 7.7 = 37.12 ÷ 6.4 =17.1 ÷ 3.8 =10.03 ÷ 5.9 = 44.24 ÷ 7.9 =32.56 ÷ 7.4 =18.69 ÷ 8.9 = 8.1 ÷ 4.5 =22.91 ÷ 7.9 =36.1 ÷ 9.5 = 40.6 ÷ 5.8 =26.55 ÷ 4.5 =52.78 ÷ 9.1 = 37.73 ÷ 7.7 =11.21 ÷ 1.9 =63.51 ÷ 7.3 = 40.28 ÷ 7.6 =30.36 ÷ 4.4 = 6.29 ÷ 3.7 = 38.22 ÷ 4.2 =18.81 ÷ 3.3 =15.36 ÷ 9.6 = 74.26 ÷ 9.4 =48.96 ÷ 5.1 =53.36 ÷ 9.2 = 61.92 ÷ 7.2 = 1.92 ÷ 0.2 =44.84 ÷ 5.9 = 20.28 ÷ 2.6 =92.07 ÷ 9.9 =19.72 ÷ 5.8 = 47.88 ÷ 8.4 =7.7 ÷ 1.4 =13.14 ÷ 1.8 = 39.06 ÷ 9.3 =33.62 ÷ 8.2 =9.62 ÷ 1.3 = 17.67 ÷ 3.1 = 3.2 ÷ 0.8 =63.9 ÷ 7.1 = 70.81 ÷ 7.3 =40.15 ÷ 5.5 = 5.75 ÷ 2.3 =11.04 ÷ 1.2 =11.5 ÷ 4.6 =30.34 ÷ 8.2 =11.21 ÷ 1.9 =10.71 ÷ 6.3 =33.15 ÷ 5.1 =15.41 ÷ 2.3 =5.76 ÷ 0.8 =50.4 ÷ 6.3 =7.08 ÷ 1.2 =10.66 ÷ 1.3 =8.5 ÷ 1.7 =17.25 ÷ 6.9 =22.8 ÷ 3.8 =24.48 ÷ 3.4 =10.14 ÷ 2.6 =13.63 ÷ 2.9 =53.76 ÷ 8.4 =49.77 ÷ 7.9 =43.8 ÷ 7.3 =14.7 ÷ 4.9 =58.32 ÷ 8.1 =51.7 ÷ 9.4 =12.48 ÷ 3.2 =70.55 ÷ 8.3 =9.9 ÷ 1.1 =36.58 ÷ 5.9 =33.97 ÷ 7.9 =7.92 ÷ 2.4 =32.64 ÷ 5.1 =9.6 ÷ 2.4 =30.02 ÷ 7.9 =42.14 ÷ 8.6 = 2.64 ÷ 1.1 =44.73 ÷ 6.3 =59.63 ÷ 6.7 =10.64 ÷ 3.8 =12.75 ÷ 8.5 =76.44 ÷ 8.4 =40.32 ÷ 9.6 =44.52 ÷ 5.3 =26.55 ÷ 4.5 =17.86 ÷ 3.8 =练习范围：一个数除以小数 题数：100分秒成绩:37.73 ÷ 7.7 =10.03 ÷ 5.9 = 1.44 ÷ 0.2 = 1.98 ÷ 0.6 =48.96 ÷ 5.1 =7.95 ÷ 1.5 = 17.98 ÷ 2.9 =10.14 ÷ 7.8 = 1.56 ÷ 0.6 = 73.5 ÷ 7.5 =58.29 ÷ 8.7 =38.22 ÷ 4.2 = 16.28 ÷ 2.2 =12.3 ÷ 1.5 =74.1 ÷ 9.5 = 7.38 ÷ 4.1 =10.83 ÷ 1.9 = 3.19 ÷ 1.1 = 12.16 ÷ 3.2 =22.77 ÷ 6.9 = 6.24 ÷ 0.8 = 4.81 ÷ 3.7 =38.19 ÷ 5.7 =33.62 ÷ 8.2 = 1.68 ÷ 0.4 =76.36 ÷ 9.2 = 5.33 ÷ 4.1 = 30.96 ÷ 3.6 =37.26 ÷ 8.1 =44.66 ÷ 5.8 = 23.8 ÷ 3.4 = 2.05 ÷ 0.5 =7.68 ÷ 4.8 = 2.4 ÷ 0.8 =19.55 ÷ 2.3 = 5.3 ÷ 5.3 = 14.79 ÷ 5.1 = 1.64 ÷ 0.2 =29.7 ÷ 9.9 = 36.1 ÷ 9.5 =56.24 ÷ 7.6 = 1.36 ÷ 0.2 = 30.15 ÷ 6.7 =61.92 ÷ 7.2 =78.21 ÷ 9.9 = 56.43 ÷ 5.7 =22.91 ÷ 7.9 = 5.88 ÷ 0.6 = 54.27 ÷ 8.1 =22.09 ÷ 4.7 =41.04 ÷ 5.7 = 1.2 ÷ 0.5 =8.5 ÷ 1.7 = 2.85 ÷ 0.3 = 5.3 ÷ 5.3 =14.96 ÷ 1.7 =21.73 ÷ 4.1 =19.17 ÷ 2.7 =0.74 ÷ 0.1 = 1.68 ÷ 0.4 =26.52 ÷ 5.2 =10.45 ÷ 5.5 =71.28 ÷ 7.2 =23.37 ÷ 4.1 =40.32 ÷ 8.4 = 2.1 ÷ 0.5 =70.47 ÷ 8.1 =10.03 ÷ 5.9 = 1.82 ÷ 1.3 =46.64 ÷ 5.3 =55.2 ÷ 9.2 =26.95 ÷ 7.7 = 6.0 ÷ 1.2 =46.2 ÷ 8.4 =34.1 ÷ 6.2 =50.22 ÷ 6.2 =77.22 ÷ 9.9 =75.46 ÷ 7.7 =45.58 ÷ 5.3 =15.41 ÷ 2.3 =17.63 ÷ 4.3 =14.57 ÷ 4.7 =7.95 ÷ 1.5 = 5.44 ÷ 3.2 =22.75 ÷ 6.5 =22.44 ÷ 6.6 = 4.81 ÷ 3.7 =18.81 ÷ 3.3 =74.25 ÷ 9.9 =31.74 ÷ 4.6 =30.02 ÷ 7.9 =5.46 ÷ 0.6 =41.5 ÷ 8.3 = 2.7 ÷ 0.3 =30.66 ÷ 7.3 =3.85 ÷ 0.7 =34.96 ÷ 7.6 =练习范围：一个数除以小数 题数：100分秒成绩:86.49 ÷ 9.3 =7.92 ÷ 2.4 =33.15 ÷ 5.1 = 21.6 ÷ 2.4 =38.19 ÷ 5.7 =59.63 ÷ 6.7 = 39.06 ÷ 9.3 =30.96 ÷ 3.6 =36.1 ÷ 9.5 = 17.98 ÷ 2.9 =86.45 ÷ 9.1 =52.78 ÷ 9.1 = 16.12 ÷ 3.1 =46.98 ÷ 8.7 =76.36 ÷ 8.3 = 3.2 ÷ 0.8 =44.53 ÷ 6.1 = 6.3 ÷ 1.8 = 1.36 ÷ 0.2 =17.67 ÷ 3.1 =53.32 ÷ 8.6 = 27.73 ÷ 5.9 =15.58 ÷ 4.1 =22.09 ÷ 4.7 = 17.25 ÷ 6.9 =32.33 ÷ 5.3 =17.82 ÷ 9.9 = 30.21 ÷ 5.3 =10.71 ÷ 6.3 = 1.64 ÷ 0.2 = 11.21 ÷ 1.9 =61.92 ÷ 7.2 =16.34 ÷ 4.3 = 49.68 ÷ 5.4 = 3.36 ÷ 0.8 =9.24 ÷ 2.2 = 18.81 ÷ 1.9 =52.38 ÷ 9.7 =10.15 ÷ 3.5 = 63.9 ÷ 7.1 = 5.64 ÷ 1.2 =41.3 ÷ 5.9 = 48.96 ÷ 5.1 =7.68 ÷ 4.8 =9.24 ÷ 1.4 = 2.1 ÷ 1.4 =15.36 ÷ 4.8 =21.84 ÷ 4.2 = 13.5 ÷ 5.4 =76.95 ÷ 9.5 =17.1 ÷ 3.8 = 3.71 ÷ 0.7 =4.6 ÷ 2.3 =10.03 ÷5.9 =30.02 ÷ 7.9 =53.32 ÷ 8.6 =31.5 ÷ 4.5 =73.04 ÷ 8.3 =26.52 ÷ 5.2 =11.28 ÷ 2.4 =44.53 ÷ 6.1 =3.2 ÷ 0.8 =14.06 ÷ 1.9 =48.96 ÷ 6.8 =23.94 ÷ 5.7 =7.92 ÷ 2.4 =35.69 ÷8.3 =15.41 ÷ 2.3 =61.92 ÷ 7.2 =26.55 ÷ 4.5 =17.75 ÷ 2.5 =36.1 ÷9.5 =67.64 ÷ 7.6 =24.12 ÷ 6.7 =34.44 ÷ 8.2 =11.64 ÷ 1.2 =21.76 ÷ 3.4 =74.26 ÷ 9.4 =78.32 ÷ 8.8 =7.14 ÷ 3.4 =39.6 ÷ 7.2 =8.14 ÷ 2.2 =48.96 ÷ 5.1 =30.24 ÷ 4.2 = 1.14 ÷ 0.3 =51.7 ÷ 9.4 =33.15 ÷ 5.1 =11.04 ÷ 1.2 =33.3 ÷ 4.5 =41.36 ÷ 8.8 =44.5 ÷ 8.9 =29.7 ÷ 9.9 =17.16 ÷ 3.3 =16.52 ÷ 5.9 =6.3 ÷ 1.8 =38.22 ÷ 9.8 =40.05 ÷ 4.5 =练习范围：一个数除以小数 题数：100分秒成绩:19.76 ÷ 5.2 =26.4 ÷ 4.8 =30.42 ÷ 7.8 = 9.43 ÷ 2.3 = 4.81 ÷ 3.7 =8.5 ÷ 1.7 = 6.16 ÷ 2.8 =17.1 ÷ 3.8 =10.95 ÷ 7.3 = 49.77 ÷ 7.9 =59.04 ÷ 7.2 =16.34 ÷ 4.3 = 7.68 ÷ 4.8 =0.77 ÷ 0.1 =19.04 ÷ 5.6 = 41.36 ÷ 4.4 =75.46 ÷ 7.7 =39.06 ÷ 9.3 = 7.68 ÷ 0.8 =58.96 ÷ 8.8 =22.91 ÷ 7.9 = 29.6 ÷ 7.4 =41.3 ÷ 5.9 =12.92 ÷ 6.8 = 17.25 ÷ 6.9 =86.49 ÷ 9.3 =31.32 ÷ 8.7 = 4.62 ÷ 4.2 =11.7 ÷ 3.9 =0.82 ÷ 0.2 = 18.81 ÷ 3.3 =79.17 ÷ 8.7 =76.36 ÷ 8.3 = 1.44 ÷ 0.2 =57.0 ÷ 9.5 =47.79 ÷ 5.9 = 16.28 ÷ 2.2 =14.96 ÷ 6.8 =18.81 ÷ 1.9 = 10.53 ÷ 1.3 = 6.9 ÷ 2.3 =30.96 ÷ 3.6 = 6.27 ÷ 5.7 = 1.05 ÷ 0.7 =24.32 ÷ 7.6 = 12.48 ÷ 3.2 = 3.52 ÷ 3.2 =46.64 ÷ 5.3 = 52.78 ÷ 9.1 =17.0 ÷ 3.4 =59.63 ÷ 6.7 = 51.0 ÷ 6.8 =33.12 ÷ 3.6 =48.97 ÷ 5.9 =23.46 ÷ 3.4 =25.11 ÷ 3.1 =29.44 ÷ 3.2 =27.06 ÷ 8.2 =1.2 ÷ 0.2 =59.8 ÷ 9.2 =46.86 ÷ 7.1 =30.24 ÷ 5.6 =8.19 ÷ 3.9 =72.96 ÷ 7.6 =39.36 ÷ 8.2 =10.08 ÷ 1.2 =7.2 ÷ 2.4 =60.59 ÷ 8.3 =0.39 ÷ 0.3 =36.63 ÷ 9.9 =11.16 ÷ 6.2 =44.64 ÷ 7.2 = 4.84 ÷ 4.4 =14.7 ÷ 2.1 = 6.66 ÷ 1.8 =18.85 ÷ 2.9 =7.68 ÷ 6.4 =42.33 ÷ 5.1 =0.8 ÷ 0.5 =8.88 ÷ 1.2 =50.84 ÷ 6.2 =7.75 ÷ 3.1 =35.67 ÷ 4.1 =11.84 ÷ 3.2 =8.55 ÷ 1.9 =5.92 ÷ 1.6 =31.15 ÷ 8.9 =64.8 ÷ 7.2 =0.3 ÷ 0.2 =12.48 ÷ 9.6 =26.46 ÷ 2.7 =17.28 ÷ 3.6 = 3.6 ÷ 0.6 =46.56 ÷ 9.7 =35.72 ÷ 3.8 =6.46 ÷ 1.9 =87.22 ÷ 9.8 =练习范围：一个数除以小数 题数：100分秒成绩:47.58 ÷ 6.1 = 1.56 ÷ 0.2 =39.33 ÷ 5.7 = 23.92 ÷ 4.6 =48.8 ÷ 6.1 =66.0 ÷ 8.8 = 36.72 ÷ 5.4 =0.56 ÷ 0.2 =42.34 ÷ 5.8 = 33.66 ÷ 9.9 =15.3 ÷ 1.8 =34.0 ÷ 8.5 = 36.5 ÷ 7.3 =32.9 ÷ 4.7 =16.56 ÷ 4.6 = 33.0 ÷ 4.4 =0.31 ÷ 0.1 =48.24 ÷ 6.7 = 38.22 ÷ 4.9 =19.61 ÷ 3.7 =34.41 ÷ 9.3 = 34.8 ÷ 5.8 = 3.12 ÷ 0.8 =61.6 ÷ 8.8 = 15.5 ÷ 3.1 =47.17 ÷ 5.3 =70.5 ÷ 9.4 = 9.1 ÷ 1.3 =52.14 ÷ 7.9 = 5.88 ÷ 1.4 = 7.76 ÷ 0.8 =24.51 ÷ 4.3 =21.73 ÷ 5.3 = 17.85 ÷ 5.1 =60.48 ÷ 7.2 =51.35 ÷ 6.5 = 9.46 ÷ 2.2 = 5.88 ÷ 2.1 =44.0 ÷ 8.8 = 4.64 ÷ 2.9 = 3.15 ÷ 0.9 =11.73 ÷ 5.1 = 11.73 ÷ 2.3 =22.33 ÷ 2.9 =12.48 ÷ 2.4 = 35.7 ÷ 8.5 = 3.78 ÷ 1.8 =32.33 ÷ 6.1 = 1.48 ÷ 0.4 =32.39 ÷ 4.1 =19.74 ÷ 9.4 = 34.96 ÷ 4.6 =0.84 ÷ 0.2 =8.46 ÷ 0.9 =45.14 ÷ 7.4 =5.6 ÷ 5.6 =12.35 ÷ 1.3 =25.55 ÷ 3.5 =50.05 ÷ 9.1 = 3.12 ÷ 0.6 =31.57 ÷ 7.7 =24.8 ÷ 3.1 =9.24 ÷ 1.2 =52.56 ÷ 7.2 =24.51 ÷ 4.3 =47.88 ÷ 8.4 =20.52 ÷ 2.7 =48.95 ÷ 5.5 =35.99 ÷ 5.9 =18.0 ÷ 7.2 =29.61 ÷ 6.3 =12.6 ÷ 6.3 =29.61 ÷ 4.7 =6.58 ÷ 1.4 = 3.6 ÷ 0.6 =17.48 ÷ 3.8 =36.66 ÷ 7.8 =14.28 ÷ 2.1 =15.36 ÷ 9.6 =1.89 ÷ 0.7 = 2.43 ÷ 0.9 =23.28 ÷ 2.4 =28.81 ÷ 4.3 = 6.72 ÷ 3.2 =16.8 ÷ 2.8 =4.1 ÷ 0.5 = 5.17 ÷ 1.1 =15.98 ÷ 1.7 =8.06 ÷ 1.3 =9.24 ÷ 4.2 =13.05 ÷ 2.9 =20.4 ÷ 3.4 = 1.53 ÷ 0.3 =10.15 ÷ 3.5 =17.67 ÷ 1.9 =36.58 ÷ 6.2 =3.9 ÷ 2.6 =练习范围：一个数除以小数 题数：100分秒成绩:37.44 ÷ 7.8 =9.2 ÷ 4.6 =30.03 ÷ 7.7 = 19.32 ÷ 2.8 = 4.05 ÷ 1.5 =23.79 ÷ 3.9 = 16.92 ÷ 4.7 = 2.48 ÷ 0.8 =76.44 ÷ 9.8 = 8.12 ÷ 2.8 = 3.76 ÷ 0.8 = 2.32 ÷ 0.4 = 28.98 ÷ 4.6 =35.38 ÷ 5.8 =12.75 ÷ 1.5 = 27.45 ÷ 4.5 =37.05 ÷ 3.9 =48.24 ÷ 7.2 = 27.75 ÷ 7.5 =28.38 ÷ 6.6 =30.24 ÷ 4.2 = 21.39 ÷ 9.3 =22.05 ÷ 4.9 = 5.61 ÷ 1.7 = 7.15 ÷ 5.5 = 4.56 ÷ 1.9 =17.82 ÷ 9.9 = 16.75 ÷ 6.7 =14.7 ÷ 4.9 = 1.56 ÷ 0.6 = 9.62 ÷ 2.6 =36.9 ÷ 4.1 =53.25 ÷ 7.1 = 0.88 ÷ 0.2 =20.64 ÷ 8.6 =8.8 ÷ 4.4 = 47.45 ÷ 6.5 =42.3 ÷ 4.5 = 6.51 ÷ 2.1 = 19.14 ÷ 2.2 =7.5 ÷ 7.5 = 5.22 ÷ 0.6 = 23.1 ÷ 3.3 =33.39 ÷ 6.3 =14.45 ÷ 1.7 = 8.32 ÷ 5.2 =32.39 ÷ 7.9 =50.4 ÷ 7.2 = 13.2 ÷ 6.6 =48.36 ÷ 6.2 =29.1 ÷ 9.7 = 26.97 ÷ 9.3 =30.8 ÷ 5.5 = 3.0 ÷ 2.5 =39.36 ÷ 4.1 =11.02 ÷ 1.9 =0.52 ÷ 0.1 =13.26 ÷ 3.4 =50.02 ÷ 8.2 = 2.88 ÷ 2.4 =8.16 ÷ 1.6 =7.9 ÷ 7.9 =0.75 ÷ 0.3 =17.16 ÷ 5.2 =1.56 ÷ 0.6 =19.72 ÷ 6.8 =80.96 ÷ 9.2 =2.52 ÷ 0.3 =43.24 ÷ 4.7 =0.3 ÷ 0.3 =23.22 ÷ 2.7 =0.56 ÷ 0.4 =13.26 ÷ 3.9 =51.84 ÷ 6.4 =29.07 ÷ 5.1 =62.37 ÷ 8.1 =37.13 ÷ 4.7 =13.95 ÷ 1.5 =10.92 ÷ 1.3 =74.8 ÷ 8.8 =33.06 ÷ 5.8 =42.78 ÷ 4.6 =38.25 ÷ 7.5 =30.78 ÷ 3.8 =13.2 ÷ 2.2 =52.47 ÷ 5.3 =45.36 ÷ 5.4 =7.54 ÷ 2.6 =0.35 ÷ 0.1 =15.93 ÷ 5.9 = 4.32 ÷ 0.8 =1.55 ÷ 0.5 =39.56 ÷ 8.6 =18.46 ÷ 2.6 =4.68 ÷ 3.6 =37.44 ÷ 9.6 =5.2 ÷ 1.3 =练习范围：一个数除以小数 题数：100分秒成绩:16.82 ÷ 5.8 =37.73 ÷ 7.7 =18.4 ÷ 9.2 =3.32 ÷ 0.4 =17.48 ÷ 3.8 =0.48 ÷ 0.3 =4.93 ÷ 1.7 =35.64 ÷ 4.4 = 4.41 ÷ 0.7 = 58.41 ÷ 5.9 =44.16 ÷ 9.6 = 2.16 ÷ 0.9 = 34.5 ÷ 7.5 =21.12 ÷ 2.4 =14.4 ÷ 7.2 = 13.65 ÷ 2.1 =8.97 ÷ 2.3 = 4.8 ÷ 4.8 = 58.56 ÷6.1 =10.34 ÷ 9.4 = 5.94 ÷ 5.4 = 20.46 ÷ 2.2 = 1.76 ÷ 0.4 =25.2 ÷ 4.5 = 14.35 ÷ 4.1 =24.91 ÷ 4.7 =28.13 ÷ 2.9 = 42.84 ÷ 5.1 =13.92 ÷ 1.6 =25.22 ÷ 9.7 = 21.08 ÷ 6.2 =33.66 ÷ 3.4 =32.8 ÷ 4.1 = 36.54 ÷ 5.8 = 1.8 ÷ 0.2 =64.6 ÷ 9.5 =1.8 ÷ 1.8 = 3.68 ÷2.3 =71.54 ÷ 9.8 =2.16 ÷ 1.8 =33.18 ÷4.2 =13.5 ÷ 2.7 = 0.36 ÷ 0.1 =49.47 ÷5.1 =55.46 ÷ 5.9 = 4.64 ÷ 1.6 =30.78 ÷ 8.1 =43.55 ÷6.5 = 9.94 ÷ 1.4 =35.19 ÷ 5.1 =12.65 ÷ 2.3 = 43.2 ÷7.2 =21.3 ÷ 7.1 =0.59 ÷ 0.1 =68.87 ÷ 9.7 =14.25 ÷ 9.5 =12.48 ÷ 1.6 =12.87 ÷ 1.3 =9.54 ÷ 5.3 =0.25 ÷ 0.1 =17.71 ÷ 2.3 =58.56 ÷ 6.1 =27.28 ÷ 6.2 =12.35 ÷ 6.5 =18.27 ÷ 2.9 =47.7 ÷ 5.3 =33.18 ÷ 7.9 =5.76 ÷ 0.6 =22.2 ÷ 3.7 =11.34 ÷ 1.4 =19.8 ÷ 6.6 =82.77 ÷ 9.3 =36.72 ÷ 6.8 =32.64 ÷ 6.8 =39.05 ÷ 5.5 =9.44 ÷ 5.9 =23.92 ÷ 9.2 =45.43 ÷ 7.7 = 2.47 ÷ 1.9 =17.82 ÷ 5.4 =23.24 ÷ 2.8 =19.4 ÷ 9.7 =30.45 ÷ 8.7 =44.8 ÷ 6.4 = 2.35 ÷ 0.5 =3.12 ÷ 2.4 =23.04 ÷ 7.2 =0.5 ÷ 0.2 =10.8 ÷ 3.6 =45.65 ÷ 8.3 =8.85 ÷ 1.5 =48.23 ÷ 5.3 =15.93 ÷ 2.7 =70.52 ÷ 8.2 =4.75 ÷ 2.5 =34.44 ÷ 8.4 =23.24 ÷ 8.3 =练习范围：一个数除以小数 题数：100分秒成绩:59.84 ÷ 6.8 =49.14 ÷ 7.8 =37.31 ÷ 9.1 = 14.8 ÷ 7.4 =71.54 ÷ 7.3 =37.17 ÷ 5.9 = 53.3 ÷ 6.5 =87.42 ÷ 9.4 =22.01 ÷ 7.1 = 5.94 ÷ 0.6 =25.74 ÷ 7.8 =11.02 ÷ 1.9 = 11.2 ÷ 5.6 =8.58 ÷ 1.1 =48.45 ÷ 5.1 = 33.0 ÷ 5.5 =11.0 ÷ 4.4 =10.07 ÷ 5.3 = 1.8 ÷ 1.5 =45.24 ÷ 7.8 =21.6 ÷ 4.5 = 35.77 ÷ 4.9 =31.08 ÷ 3.7 =17.4 ÷ 2.9 = 3.6 ÷ 0.8 =72.25 ÷ 8.5 =17.92 ÷ 2.8 = 12.73 ÷ 1.9 =35.26 ÷ 8.2 = 4.8 ÷ 1.5 = 48.99 ÷ 7.1 =40.18 ÷ 4.1 =17.6 ÷ 5.5 = 30.75 ÷ 4.1 =59.17 ÷ 6.1 =41.61 ÷ 5.7 = 41.08 ÷ 5.2 =41.08 ÷ 7.9 =18.24 ÷ 7.6 = 2.88 ÷ 0.9 =21.12 ÷ 3.3 =41.86 ÷ 9.1 = 14.88 ÷ 1.6 = 2.1 ÷ 0.6 =13.95 ÷ 3.1 = 73.6 ÷ 9.2 =42.84 ÷ 6.3 =77.35 ÷ 8.5 = 0.94 ÷ 0.1 =8.32 ÷ 2.6 =0.84 ÷ 0.7 = 70.84 ÷ 7.7 =4.37 ÷ 1.9 =19.72 ÷ 3.4 =8.5 ÷ 1.7 =12.24 ÷5.1 =17.1 ÷ 3.8 =29.7 ÷ 9.9 =61.92 ÷ 7.2 =69.12 ÷ 9.6 =33.32 ÷ 9.8 =21.58 ÷ 8.3 =37.84 ÷ 4.4 =30.42 ÷ 7.8 =47.2 ÷ 5.9 = 5.27 ÷ 3.1 =10.27 ÷ 7.9 =7.68 ÷ 4.8 =14.82 ÷ 5.7 =53.25 ÷ 7.5 =10.71 ÷6.3 =30.36 ÷ 6.6 =12.0 ÷ 2.5 =33.11 ÷7.7 =27.06 ÷ 6.6 =48.51 ÷ 7.7 =26.95 ÷ 7.7 =18.25 ÷ 7.3 =15.4 ÷ 2.8 =39.06 ÷ 9.3 =10.03 ÷ 5.9 =0.74 ÷ 0.1 =15.6 ÷ 6.5 =19.8 ÷ 4.4 =52.78 ÷ 9.1 =1.68 ÷ 0.4 = 1.1 ÷ 1.1 =18.69 ÷ 8.9 =24.75 ÷ 4.5 =15.96 ÷ 5.7 =17.67 ÷ 3.1 =28.91 ÷ 4.9 =44.53 ÷ 6.1 =50.88 ÷ 9.6 =47.84 ÷ 9.2 =1.36 ÷ 0.2 =9.45 ÷ 2.7 =练习范围：一个数除以小数 题数：100分秒成绩:46.64 ÷ 5.3 = 6.24 ÷ 0.8 =26.52 ÷ 5.2 = 1.64 ÷ 0.2 = 1.14 ÷ 0.3 = 6.66 ÷ 1.8 = 28.06 ÷ 6.1 =74.26 ÷ 9.4 =13.14 ÷ 1.8 = 37.73 ÷ 7.7 =26.0 ÷ 6.5 =7.92 ÷ 2.4 = 42.72 ÷ 8.9 =29.25 ÷ 7.5 =34.86 ÷ 4.2 = 72.24 ÷ 8.4 =31.2 ÷ 4.8 =7.25 ÷ 2.9 = 66.88 ÷ 7.6 = 3.52 ÷ 3.2 =30.34 ÷ 8.2 = 48.96 ÷ 5.1 =39.84 ÷ 8.3 =27.84 ÷ 9.6 = 45.9 ÷ 8.5 = 4.6 ÷ 0.5 =51.7 ÷ 9.4 = 44.24 ÷ 7.9 =28.32 ÷ 4.8 =17.75 ÷ 2.5 = 8.32 ÷ 3.2 =17.25 ÷ 6.9 =34.3 ÷ 4.9 = 5.49 ÷ 0.9 =27.73 ÷ 5.9 =19.95 ÷ 3.5 = 16.52 ÷ 5.9 = 5.75 ÷ 2.3 =12.6 ÷ 2.1 = 86.49 ÷ 9.3 =54.02 ÷ 7.4 =23.76 ÷ 6.6 = 76.36 ÷ 8.3 = 6.3 ÷ 1.8 =16.12 ÷ 3.1 = 11.04 ÷ 1.2 =12.48 ÷ 3.2 =15.64 ÷ 6.8 = 49.14 ÷ 6.3 =10.88 ÷ 1.6 =11.21 ÷ 1.9 = 30.96 ÷ 3.6 =。
五年级上册数学试题-3、2一个数除以小数 -人教版(含答案)
3.2一个数除以小数第一课时1．在○里填上“＞”“＜”或“=”。
1.36÷0.99○1.36 0.47÷0.58○0.473.14÷1.01○3.14 7.95÷1○7.952. 填空题。
(1)除数是小数的除法,先移动( )的小数点,使它变成( ),除数的小数点向右移动几位,被除数的小数点也( )移动( ),位数不够的,在被除数的( )用“0”补足。
(2)在除法中,如果除数扩大到原来的100倍,要使商不变,被除数也要( )到原来的( )。
3. 玩具火车每辆16.5元,玩具汽车每辆5.5元,玩具手枪每支11元。
(1)玩具火车的价格是玩具汽车的多少倍?(2)请你再提出一个问题并解答。
4.妈妈买1.5千克的虾用去39元，买0.7千克肉用去8.4元,每千克虾比每千克肉贵多少元？第二课时1．列竖式计算。
10.8÷1.2 3.26÷1.63 0.832÷0.26142.2÷0.18 27.5÷0.025 133÷0.352. 国际长途每分钟5.25元，小军打国际长途电话花了31.5元，小军打了几分钟？3. 一只鸵鸟0.75小时跑了51千米。
这只鸵鸟的奔跑速度是多少？4. 小红打国内长途电话花了8.4元，国内长途每分钟0.7元，小红打了几分钟？5. 2.4千克花生可以榨油1.56千克。
照这样计算，1千克花生可以榨油多少千克？第一课时答案1.＞＞＜ =2. (1)除数整数右几位末尾(2)扩大 100倍3. (1)16.5÷5.5=3答：玩具火车的价格是玩具汽车的3倍。
(2)玩具手枪的价格是玩具汽车的多少倍?11÷5.5=2答：玩具手枪的价格是玩具汽车的2倍。
4.39÷1.5=26（元）8.4÷0.7=12（元）26-12=14（元）第二课时答案2. 31.5÷5.25=6(分)答：小军打了6分钟。
数学五年级上册《一个数除以小数》一课一练(含答案)
【同步专练B】3.2一个数除以小数（巩固提升篇）一、单选题（共10题）1.下列除法算式中商最大的是（）A. 3.992÷8B. 39.92÷8C. 3.992÷10D. 39.92÷102.5.785×0.5的积( )5.785÷0.5的商.A. 小于B. 大于C. 等于D. 以上都不对3.用25米长的绳子包装礼盒，每个礼盒要用绳子1.5米，这根绳子最多可以包装（）个礼盒.A. 16B. 17C. 18D. 194.4.7÷0.8的商和余数分别是（）.A. 5和0.7B. 5和7C. 0.5和0.7D. 0.5和75.“1.2÷0.96 1.2”，比较大小,在里应填的符号是（）A. ＞B. ＜C. ＝D. ×6.下列算式中，得数最大的是（）A. 7.58÷1.3B. 7.58÷0.72C. 7.58×0.99D. 2.58×1.997.5.78÷3.7=（）A. B. C. D.8.1欧元兑换人民币9.15元，人民币2745元能兑换（）欧元.A. 300B. 25116.75C. 2754.159.下面各题中，得数最大的是（）A. 18÷6B. 1.8÷0.06C. 1.8÷0.6D. 1.8÷610.用竖式计算8.82÷3.6=（）A. 0.012B. 0.72C. 2.45D. 3.015二、填空题（共10题）11.0.18m黄丝带可以做1条发带，29.7m黄丝带可以做发带________条？12.修一条公路，计划投资8.4万元，是实际投资的1.2倍，实际投资________万元?比计划投资节约了________万元?13.小张1.6小时做了80个零件，平均每小时做________个零件，做一个零件要________小时.14.王刚在计算7.2除以一个两位数时，把除数当成整数来计算得到的商是0.6.那么正确的除数是________，正确的商是________.15.0.75÷1.2的商的最高位是________位.16.2.9×1.78的积有________位小数，60.6里面有________个0.6.17.已知甲数是乙数的2.5倍，如果乙数是80，那么甲数是________；如果甲数是80，那么乙数是________.18.计算1.695÷0.15时，先将除数的小数点向________移动________位，使它变成________，再把被除数1.695的小数点也向________移动________位，变成________，然后按照除数是整数的除法计算.19.在计算0.73÷0.2时，应先把被除数与除数的小数点都向________移动________位．20.做一个芭比娃娃，需要2.2米布.600米布，最多能做________个这样的芭比娃娃；如果每个包装箱装9个这样的芭比娃娃，至少要用________个包装箱才能装完这批芭比娃娃.三、判断题（共10题）21.判断对错：小数除法的意义和整数除法的意义相同.（）22.除数（0除外）是小数的除法，商一定小于被除数.（）23.某农场运来40吨煤，如果每天烧1.2吨煤，这些煤够烧一个月.（）24.每支圆珠笔2.8元，10元钱最多只能买3支这样的圆珠笔.（）25.小数除法中，先把被除数变成整数，被除数的小数点向右移动几位，除数的小数点也向右移动几位，位数不够时要用0补够.（）26.两数相除，所得的商不一定大于原来的数．（）27.29.6÷0.43保留一位小数商是68.8；保留两位小数商是6.88.（）28.被除数中有几位小数，商也有几位小数.（）29.88.8÷100÷25=8.88÷4=2.22（）30.一匹布有94.5米，做一套儿童服装用布1.82米.这匹布最多可以做52套这样的服装.（）四、计算题（共4题）31.直接写出得数.3.5×0.1＝43÷0.1＝200×0.04＝12-1.2＝ 1.3×0.5＝0.42÷0.6＝ 6.3÷0.7＝0.21×0.3＝ 5.69÷0.5＝ 5.5÷11＝32.竖式计算（带※的要验算）（1）※6.24÷1.6= （2）0.45×108＝（3）93÷0.31＝33. 用竖式计算.（1）0.57×6.3≈（积保留一位小数）（2）51.3÷0.27=（3）56÷11=（商用循环小数表示）（4）9.6÷4.2≈（商保留两位小数）34.列竖式计算.（1）1.02×0.26=（2）69.3÷0.84=（得数保留两位小数）（3）1.7÷11=（得数用循环小数表示）五、解决问题（共6题）35.周末小明和两个同学去野外捉蝗虫，小明捉了12只，其他两个同学一个捉了15只，一个捉了11只.他们们用狗尾草把这些蝗虫穿成串，一串最多穿10只，这些蝗虫可以穿几串？36.小丽家一共采摘了560千克鸭梨，小丽的妈妈准备装箱后到市场上去卖，每箱鸭梨平均7.5千克，小丽家的鸭梨最多能装满多少箱？37.一群小朋友去游乐场玩，他们玩激流勇进一共花了52.5元，玩碰碰车一共花了79.5元.激流勇进每人3.5元，碰碰车每人多少钱？38.跳绳比赛，学校买来4根长绳，每根长6米.把长绳剪成短跳绳，每根短跳绳需长1.8米，最多可以剪成多少根短跳绳？39.跳广场舞的奶奶们要参加比赛，准备做同样的服装.现在买来100米花布，每1.8米做一套，可以做多少套服装？40.1港元兑换人民币0.81元，现有人民币700元，可兑换港元多少元？（得数保留两位小数）参考答案一、单选题1. B2. A3. A4. A5. A6. B7. D8. A9. B10. C二、填空题11. 16512. 7；1.413. 50；0.0214. 0.12；6015. 十分16. 3；10117. 200；3218. 右；两；整数15；右；两；169.519. 右；一20. 272；31三、判断题21. √22. ×23. √24. √25. ×26. √27. ×28. ×29. ×30.×四、计算题31. 3.5×0.1＝0.35；43÷0.1=430；200×0.04＝8；12-1.2＝10.8；1.3×0.5=0.65；0.42÷0.6＝0.7；6.3÷0.7＝9；0.21×0.3＝0.063；5.69÷0.5＝11.38；5.5÷11＝0.5.32.（1）※6.24÷1.6=3.9（2）0.45×108＝48.6（3）93÷0.31=30033.（1）解：积保留一位小数是3.6.（2）解：（3）解：（4）解：商保留两位小数是2.29.34.（1）1.02×0.26=0.2652（2）69.3÷0.84=82.50（3）1.7÷11=五、解决问题35.解：(12+15+11)÷10=38÷10=3.8≈4(串）答：这些蝗虫可以穿4串.36.解：560÷7.5≈74（箱）答：小丽家的鸭梨最多能装满74箱.37.解：79.5÷（52.5÷3.5）=79.5÷15=5.3（元）答：碰碰车每人5.3元.38.解：6÷1.8≈3（根）3×4＝12（根）答：最多可以剪成12根短跳绳.39.解：100÷1.8≈55(套)答：可以做55套服装.40.解：700÷0.81≈864.20（元）答：可兑换港元864.20元。
五年级上册3.2 一个数除以小数练习卷及答案-人教版数学
3.2 一个数除以小数练习卷一、选择题（题型注释））A. 商比较大B. 积比较大C. 相等D. 无法比较2.2.36÷0.99（）2.36A. <B. >C. =3.3÷0.25=（）A. 12B. 7.5C. 1.23D. 4.954.“1.2÷0.96 1.2”，比较大小,在里应填的符号是（）A. ＞B. ＜C. ＝D. ×5.“3.6÷0.95○3.6”，比较大小,在○里应填的符号是（）A. ＞B. ＜C. =D. ×二、填空题（题型注释）小数除法的商都小于被除数．．7.做一个水桶需要铁皮2.8平方米，30.7平方米铁皮最多能做________个水桶。
8.计算2.352÷0.05时，被除数和除数的小数点都要向移动．9.超音速飞机每秒飞行0.5km，火车每秒行驶0.025km，超音速飞机的速度是火车的________倍。
10.一个数的2.5倍是2.25，求这个数________．11.31.4÷2.6商是________，余数是________．三、判断题（题型注释）______）13.7.8除以一个小数，所得的商一定大于7.8。
（____）14.一个整数除以小数，商一定比这个整数大。
（______）四、解答题（题型注释）2.5倍．小盒的价格比大盒便宜1.40元。
请自己提出问题，并列方程解答．16.“一辆汽车4.5小时行驶了225千米，一列火车4.5小时行驶了540千米．”请你提出几个数学问题，并列式解答．17.列式计算3.6除以0.48的商是多少？18.列式计算某数的1.5倍是0.456，这个数是多少？19.列式计算两个因数的积是12.6，一个因数是8.4，另一个因数是多少？20.列式计算48.15与8.15的差里包含了多少个2.5？21.春季植树，五年级植树145棵，比六年级少17棵．六年级植树的棵数是四年级的1.5倍，四年级植树多少棵？22.小明妈妈要将2.5千克香油分装在一些玻璃瓶里，需要准备几个瓶子？参数答案1.A【解析】1.略2.B【解析】2.根据除数小于1，商大于被除数，故选B。
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五年级上册数学
《一个数除以小数》练习题
一、判断题
1、2.8÷0.9的商是3，余数是1。
（×）
2、0.6除以一个小数，所得的商不一定比0.6大。
（×）
3、有16kg鸡蛋，每3.5kg放在一个盒子里，至少需要4个这样的盒子。
（×）
4、将5.6千克的小米放进小玻璃瓶中保存，每个小玻璃瓶盛0.45千克，至少需要准备12个这样的小玻璃瓶。
（×）
二、解答题
1、一只油桶最多可以装油5.5千克，68千克油至少需要多少只油桶来装?
解：68÷5.5=12（只）……2（千克）
12+1=13（只）
答：至少需要13只油桶来装。
2、一辆轻型载重汽车的载重量是2.8吨，要用它运12吨货物，需要几次才能全部运完?
解：12÷2.8≈5（次）
答：需要5次才能全部运完。
3、小芳家客厅需要铺地砖，客厅的面积是51.2平方米，他们打算选面积为0.64平方米的方砖，至少需要多少块这样的方砖?
解：51.2÷0.64=80（块）
答：至少需要80块这样的方砖。
4、一块平行四边形麦地，底长49米，高40米，这块地合多少公顷?这块地共收小麦1254.4千克，平均每公顷收小麦多少千克? 49×40=1960（平方米）1960平方米=0.196（公顷）1254.4÷0.196=6400（千克）
答：这块地合0.196公顷，平均每公顷收小麦6400千克。
三、应用题
1、爸爸出差在外，小红给爸爸大长途电话，每分钟话费0.32元，共用去话费8.32元，小红给爸爸打了多少分钟电话?
8.32÷0.32=26（分钟）
答：小红给爸爸打了26分钟电话。
2、太阳与地球的距离是1.5亿千米，太阳与火星的距离是2.28亿千米，太阳与火星的距离是太阳与地球之间的距离的多少倍?
2.28÷1.5=1.52
答：太阳与火星的距离是太阳与地球之间的距离的1.52倍。
3、淘气要把3．5升实验溶液装在瓶子里，每个瓶子最多可盛0.8升，至少需要准备几个这样的瓶子?
解：35÷0.8=4.375（或≈5）
答：至少需要5个这样的瓶子。
4、有60千克豆油，要装在能容纳4.5千克油的小油桶中，需要准备多少个这样的小油桶?
解：60÷4.5≈14(个)
答：需要准备14个这样的小油桶.。