小学数学小数乘除法计算题综合训练苏教版五年级2017秋最新.doc

小学数学小数乘除法计算题综合训练苏教版五年级2017秋最新.doc

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185.44÷1641.84÷721.7÷967.5÷105230.4÷0.6

121.24÷360.736÷2343.5×1235.21÷739.6×24

6.21÷0.03210÷1.451.3÷0.2791.2×3.80.756÷0.18

0.66÷0.311.97×1.569.6÷2.938.4÷0.815÷0.06

15.6×2.93.77×1.80.02×965.22×0.39.99×0.02

4.67÷0.95×2.441.666÷6.19.432×0.0025.6×6.5

4.88÷2.90.61×4.38.9÷2.45.5×559.77×0.02

1.384÷5.18.78×8312.6×610.059×0.24.268×1.7

5.7×5.79.46×2.8517.8×6.41.5÷4.912.5×0.88

5.555×5.22.22×3.337.658×8536.02÷0.356.78×8

（循环小数的用简便方法，除不尽保留2位小数）：

8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.2

32÷4214.36÷2.78.33÷6.21.7÷0.032.41÷0.7

用竖式计算

0.396÷1.2=0.756÷0.36=15.6×1.3=0.18×1.5=

0.025×1.4=13.06×36=0.04×0.12＝3.84×2.6≈

5.76×3＝17.15×2290.75÷3.33.68×0.25

16.9÷0.131.55÷3.93.7÷0.01613.76÷0.8=

5.2×0.618.4÷1.36.4×0.54.48×0.4

15.25×535.4×4.20.042×0.540.76÷0.32

0.25×0.0462.52×3.41.08÷250.12×0.5×0.16＝

4.8×0.25＝0.125×1.4≈（保留两位小数）

2.5÷0.7=（保留三位小数）10.1÷3.3=（商用循环小数）

10.75÷12.5=（用乘法验算）3.25×9.04=（用除法验算）

3、脱式计算（能简算的要简算）

2.5×7.1×416.12×99＋16.125.2×0.9＋0.9

7.28×99+7.284.3×50×0.264－2.64×0.5

26×15.7＋15.7×24（2.275＋0.625）×0.283.94+34.3×0.2

1.2×（9.6÷2.4）÷4.88.9×1.1×4.72.7×5.4×3.93.6×9.85-5.46

8.05×3.4+7.66.58×4.5×0.92.8×0.5+1.58

32＋4.9－0.94.8－4.8×0.5（1.25－0.125）×8

4.8×100.156.5×99＋56.57.09×10.8－0.8×7.09

4.85+0.35÷1.48.7×17.4-8.7×7.412.5×0.4×2.5×8

0.87×3.16+4.649.5×1010.68÷（5.2-3.5）×1.25

40.5÷0.81×0.184.8×（15÷2.4）

6.81+6.81×990.25×185×404.4×0.8－3.4×0.8

（9.37+9．37+9．37+9．37）×2．52.37×6.3+2.37×3.7

2.5×1.25×0.323.8×10.12.5×（3.8×0.04）7.69×101

3.8×10.10.25×39+0.250.125×7246×0.33+54×0.33

（8×5.27）×1.256.81+6.81×990.25×185×40

6.8×0.75÷0.53.75÷0.125–2.751.53+23.4÷7.2

9.5×9913.5×0.9812.5×8.8

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