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循环小数竖式计算练习题.doc

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    • 循环小数竖式计算练习题篇一:循环小数练习题⑤0.666?? ⑥3.2727?? ⑦2.3333??⑧5.1982139有限小数:( ),无限小数:( ),循环小数:( ) (4)4.73的商用循环小数表示是( ),保留两位小数是( )2、写出下面各循环小数的近似值(保留三位小数)0.3333??≈ 13.67373??≈ 8.534534??≈4.888??≈ 0.3、0.323 、 0.32 3、从小到大排列下面各数:0.32、0.32、4、判断(对的在括号内画“√”错的画“”)(1)8.476476是循环小数2)两个数相除,除不尽时,商一定是循环小数 ()(3)循环小数都是无限小数 ()(4)一个数除以小数,商不一定小于被除数 ()(5)2.50.4的商是6,余数是10 ()(6)一个自然数除以0.1,相当于将这个自然数扩大10倍??????? ()4、计算下面各题,除不尽的用循环小数表示商1.36=5732= 11.6259.3= 30.133=(小数除以小数复习)1、在括号里填上适当的数0.560.7=()7=( ) 0.560.07=( )7=( )8.643.6=()36=( )8.640.36=( )36=( )2、根据42.61.2=35.5,直接写出下面各题的商。

      4.261.2=( )42.612=( )4260.12=( ) 4.2612=()3、在○里填上“>”“<”或“=”12.011.02○12.010.360.36○0.36 5.480.8○5.48 10.85.4○10.89.720.08○9.72 0.991.1○0.99 0.45○0.450.6○0.6666 1.2727○1.272 12.232○11.984、一个三位小数“四舍五入”到磁分位是5.40,这个三位小数最大是(),最小是()5、下面各题的商哪些大于1?哪些小于1?(大于1的在括号里画“√”)5.296()83.2546()0.2727() 7.247( )13.2719( )0.035( ) 39.69( ) 1.085( )6、填表7、用竖式计算1.573.9 2.30.17 1.6344.3(得数保留两位小数)(得数保留两位小数)35.17.83.259.04=(用乘法验算) (用除法验算)篇二:小数除法竖式计算题(无限和循环小数)19.412 6.20.070.510.22 2.211.88.91.214.124.5 22.596.612.098.212.711.8 19.427.8 41.384.1 42.37315.31321.88.8 41.621.2 11.450.317.512.6 126.6161.2 41.5194.8107.8 149.6133.381.1119.9 87.4 85.428.83.52 34.20.74 5.20.947.20.5430.57.5 26.318.75 1211161.22014.8 234.8 251.1 171.21.2013.6 = 1.470588235294118 209.4 = 2.127659574468085 1610.5 = 1.523809523809524 1513.9 = 1.079136690647482 2219.9 = 1.105527638190955 1513.7 = 1.094890510948905 1510.7 = 1.401869158878505 139.1 = 1.428571428571429 294.3 = 6.744186046511628 1211.0 = 1.090909090909091 161.2 = 13.333333333333333 113.1 = 3.548387096774194 178.5 = 2.00000000000 2014.8 = 1.351351351351351 75.9 = 1.186440677966102 234.8 = 4.791666666666667 2418.8 = 1.276595744680851 195.8 = 3.275862068965517 2814.0 = 2.00000000000 75.9 = 1.186440677966102 74.6 = 1.521739130434783 251.1 = 22.727272727272727 133.8 = 3.421052631578947 125.4 = 2.222222222222222 196.6 = 2.878787878787879 180.8 = 22.500000000000000 2812.4 = 2.258064516129032 171.2 = 14.166666666666667 84.3 = 1.860465116279070 138.8 = 1.477272727272727 167.7 = 2.077922077922078 2711.9 = 2.268907563025210 1915.9 = 1.194968553459120 1714.1 = 1.205673758865248 97.2 = 1.250000000000000 175.8 = 2.931034482758621 2117.1 = 1.228070175438596 141.5 = 9.333333333333333 20.6 = 3.333333333333333104.6 = 2.173913043478261 1514.4 = 1.041666666666667 273.0 = 9.00000000000 151.5 = 10.00000000000 1816.8 = 1.071428571428571 1811.7 = 1.538461538461538 1210.3 = 1.165048543689320 194.4 = 4.318181818181818 195.0 = 3.800000000000000 108.3 = 1.204819277108434 182.3 = 7.826086956521739 1514.5 = 1.034482758620690 1810.2 = 1.764705882352941 186.7 = 2.686567164179104 225.2 = 4.230769230769231 2010.1 = 1.980198019801980 3012.4 = 2.419354838709677 1412.3 = 1.138211382113821 43.2 = 1.250000000000000 131.4 = 9.285714285714286 2614.6 = 1.780821917808219 2115.6 = 1.346153846153846 100.4 = 25.00000000000 1913.8 = 1.376811594202899 1915.1 = 1.258278145695364 21.1 = 1.818181818181818 154.0 = 3.750000000000000 193.6 = 5.277777777777778 87.4 = 1.081081081081081 130.8 = 16.250000000000000 41.3 = 3.076923076923077 235.4 = 4.259259259259259 98.7 = 1.034482758620690 283.5 = 8.00000000000 121.2 = 10.00000000000 140.1 = 140.00000000000 2716.4 = 1.646341463414634 145.7 = 2.456140350877193 64.2 = 1.428571428571429 1917.4 = 1.091954022988506篇三:循环小数练习题⑤0.666?? ⑥3.2727?? ⑦2.3333??⑧5.1982139有限小数:( ),无限小数:( ),循环小数:( )。

      4)4.73的商用循环小数表示是( ),保留两位小数是( )2、写出下面各循环小数的近似值(保留三位小数)0.3333??≈ 13.67373??≈ 8.534534??≈4.888??≈3、从小到大排列下面各数:0.32、0.32、 0.3、0.323 、 0.32 4、2.235235??的循环节是( )①2.235②2.35③235 ④2355、下面各数中,最大的一个数是()6、得数要求保留三位小数,计算时应算到小数点后面第( )位①二位 ②三位 ③四位④五位7、在除法中,如果商是无限小数,说明( )A.能整除B.能除尽C.除不尽8、判断(对的在括号内画“√”错的画“”)(1)8.476476是循环小数2)两个数相除,除不尽时,商一定是循环小数 ()(3)循环小数都是无限小数 ()(4)一个数除以小数,商不一定小于被除数 ()(5)2.50.4的商是6,余数是10 ()(6)一个自然数除以0.1,相当于将这个自然数扩大10倍??????? ()(7)位数多的小数一定比位数少的小数大???????????????( )9、用竖式计算下面各题,除不尽的用循环小数表示商1.36=5732= 11.6259.3= 30.133=(小数除以小数复习)1、在括号里填上适当的数。

      0.560.7=()7=( ) 0.560.07=( )7=( )8.643.6=()36=( )8.640.36=( )36=( )2、根据42.61.2=35.5,直接写出下面各题的商4.261.2=( )42.612=( )4260.12=( ) 4.2612=(3、在○里填上“>”“<”或“=”12.011.02○12.010.360.36○0.36 5.480.8○5.48 10.85.4○10.89.720.08○9.72 0.991.1○0.990.45 ○ 0.450.6 ○ 0.6666 1.2727○1.272 12.232 ○11.98 4、一个三位小数“四舍五入”到百分位是5.40,这个三位小数最大是(),最小是()5、下面各题的商哪些大于1?哪些小于1?(大于1的在括号里画“√”)5.296()83.2546()0.2727() 7.247( )13.2719( )0.035( ) 39.69( ) 1.085( )6、用竖式计算1.573。

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