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2019年五年级小数乘除法练习题70道

小数乘除法计算题

5.6×2.9          3.77×1.8          0.02×96          5.22×0.3

 

 

 

 

9.99×0.02       4.67×0.9         5×2.44              1.666×6.1

 

 

 

 

9.432×0.002       5.6×6.5        4.88×2.9           5.61×4.3

 

 

 

 

8.9×2.4               5.5×55           9.77×0.02         1.384×5.1

 

 

 

8.78×83              2.6×61            0.059×0.2        4.268×1.7

 

 

 

57×5.7                9.46×2.85        17.8×6.4         1.5×4.9

 

 

 

 

2.5×0.8               5.555×5.2        2.22×3.33          7.658×85





36.02×0.3          56.78×8

 

 

 


 

除法:

85.44÷16             42.84÷7               101.7÷9                67.5÷15

 

 

 

 

230.4÷6                21.24÷36            0.736÷23               43.5÷12

 

 

 

 

35.21÷7                 39.6÷24               6.21÷0.03             210÷1.4

 

 

 

 

 

51.3÷0.27              91.2÷3.8               0.756÷0.18             0.66÷0.3

 

 

 

 

11.97÷1.5              69.6÷2.9               38.4÷0.8                   15÷0.06

 

 

 


循环小数的用简便方法,除不尽保留 2 位小数):

 

8.2÷0.12                0.8÷0.9                76.4÷5.4                 4.7÷3


 



1.25÷1.2               32÷42                  14.36÷2.7                8.33÷6.2

 

 

 

 

1.7÷0.03              2.41÷0.7

 

 

 

 

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

 

 

 

 

5.76×3 (保留位小数             7.15×22                            90.75÷3.3

 

 

 

 

3.68×0.25                   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= (保留位小数                                      10.1÷3.3= (商用循环小

 

 

 

 

10.75÷12.5= (用乘验算                                    3.25×9.04= (用除验算

 

 

 

 

3、脱式计算(能简算的要简算)

 

2.5×7.1×4               16.12×9916.12                              5.2×0.90.9                       7.28×99+7.28

 

 

 

4.3×50×0.2              642.64×0.5                                  26×15.715.7×24              (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           8.05×3.4+7.6                                   6.58×4.5×0.9                          2.8×0.5+1.58

 

 


 

324.90.9              4.84.8×0.5                                     (1.250.125)×8                      4.8×100.1

 

 

 

 

 

56.5×9956.5             7.09×10.80.8×7.09                      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+4.64 9.5×101

 

 

 

 

 

0.68  ÷5.2  -3.5×  1.25                 40.5  ÷  0.81  ×  0.18                 4.8  ×15  ÷  2.4






6.81+6.81×99                                      0.25×185×40                          4.4×0.83.4×0.8

 

 

 

 

 

(9.37+937+937+937)×  25                               2.37×6.3+2.37×3.7                        2.5×1.25×0.32

 

 

 

 

 

3.8×10.1                          2.5×(3.8×0.04)              7.69×101                             3.8×10.1

 

 

 

 

0.25×39+0.25                   0.125×72                    46×0.33+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÷0.1252.75

 

 

 

 

 

1.53+23.4÷7.2                    9.5×99                          13.5×0.98                            12.5×8.8








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