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小数乘除法练习题70道

小数乘除法练习题70道
小数乘除法练习题70道

小数乘、除法练习

乘法:

5.6×2.9 3.77×1.8 0.02×965.22×0.3 9.99×0.02

4.67×0.95×2.44 1.666×6.19.432×0.002 5.6×6.5

4.88×2.9

5.61×4.3 8.9×2.45.5×559.77×0.02?1.384×5.18.78×83 2.6×61 0.059×0.2 4.268×1.7

57×5.79.46×2.8517.8×6.4 1.5×4.9

2.5×0.88?

5.555×5.2 2.22×3.33 7.658×85 36.02×0.35

6.78×8

除法:

85.44÷1642.84÷7101.7÷9 67.5÷15 230.

21.24÷36 0.736÷23 43.5÷12 35.21÷7 3

4÷6?

÷

0.03 210÷1.4 51.3÷0.2791.2÷3.8 0.7

6.21

9.6÷24?

56÷0.18?0.66÷0.3 11.97÷1.569.6÷2.9 38.4÷0.8 15÷0.06

0.12 0.8÷0.9

÷

8.2

(循环小数的用简便方法,除不尽保留2位小数):?

76.4÷5.4 4.7÷31.25÷1.2

32÷4214.36÷2.78.33÷6.21.7÷0.03 2.41÷0.7?用竖式计算

0.396÷1.2=0.756÷0.36= 15.6×13= 0.18×15=

0.025×14= 3.06×36=0.04×0.12= 3.84×2.6≈ 5.7

22=90.75÷3.3= 3.68×0.25=

×

7.15

6×3=(保留一位小数)?

16.9÷0.13= 1.55÷3.9= 3.7×0.016= 13.76×0.8= 5.2×0.6= 8.4×1.3= 6.4×0.5= 4.48×0.4= 5.25×5=

35.4×4.2=0.042×0.54= 0.76×0.32=?0.25×0.046= 2.52×3.4= 1.08×25= 0.12×0.5×0.16=

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+16.12 5.2×0.9+0.9

7.28×99+7.28 4.3×50×0.2 64

-2.64×0.5

26×15.7+15.7×24 (2.275+0.625)×0.28 ?3.94+34.3×0.2 1.2×(9.6÷2.4)÷4.8

8.9×1.1×4.7 2.7×5.4×3.9 3.6×9.85-5.46

32+8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1.58?4.9-0.9 4.8-4.8×0.5 (1.25-0.125)×8?4.8×100.1 56.5×99+56.57.09×10.8-0.8×7.09

4.85+ 0.35 ÷ 1.4 8.7 ×17.4 - 8.7 × 7.4?12.5×0.4×2.5×8 0.87×3.16+4.649.5×101 ?0.68 ÷(

5.2-3.5)×1.25

40.5 ÷ 0.81 × 0.184.8 ×(15 ÷ 2.4)

6.81+6.81×99 0.25×185×404.4×0.8-3.4×0.8

2.37×6.3+2.37×

3.7 2. (9.37+9.37+9.37+9.37)× 2.5?

5×1.25×0.32 3.8×10.1

2.5×(

3.8×0.04) 7.69×101 3.8×10.1 0.25×39+0.25 0.125×7246×0.33+54×0.33?(8×5.27) ×1.25 6.81+6.81×99 0.25×185×40

6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23.4÷

7.2

9.5×99 13.5×0.9812.5×8.8

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