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人教版五年级上册数学简便运算专项训练题

一、 简算。

  3.5736.5               3.70.250.75         2.731.98

 2.5×13×4               137×1.25×8         3.9×1.86.1×1.8

 7.3×99                    3.8×101                2.5×3.2×1.25

25×2.4×500                3.5×993.5             9.8×1019.8

38.5-(17.38.5          32.7998               5618.611.4

96×1.25                     8.8×1.25                3.6×250

三、小数乘法分配律专题练习

3.7×652.5×6565×3.8            17.8×3217.8×7217.8×4

38×3.83.8×62        128.6297         2.57.52.57.5

17×237×23            6723664             48718713961

4.4×250                 127133184240         560×12.5

408×2.5            1.25×8+80            3.6×100+50

2.4×0.210           8.6×10002        1.5×408

3.6×343.6×66        0.75×2.30.25×2.3      6.3×4357×6.3

9.3×69.3×4         3.25×1133.25×13     0.28×188×0.28

7.8×102                   69×10.2                     56×10.1

52×1.02                      125×8.1                   25×4.1

3.1×99                       0.42×98                    29×0.99

85×9.8                       12.5×79                     25×3.9

8.38.3×99              5.65.6×99             0.99×990.99

7.5×1017.5           12.5×8112.5            0.91×310.91

0.25×0.28               0.125×3.2×2.5              35×40.2  

0.25×4÷0.25×4            3.5×9.9                3.5×99+3.5

3.5×101-3.5          3.5×9.9+3.5×0.1         3.5×2.7+35×0.73

3.5×2.7-3.5×0.7       (32+5.6)÷0.8           3.5÷0.6-0.5÷0.6

4.9÷3.5                  7÷0.25÷4               7÷0.125 ÷8  

7.35÷(7.35×0.25)     7.35÷(7.35÷0.25)           7.325-(5.325+1.7)

3.29+0.73+2.27           3.29-0.73-2.27             7.5+2.5-7.5+2.5

7.325-3.29-3.325      7.325-(5.325+1.7)           7.325-(5.325-1.7)

3.29+0.73-2.29+2.27      3.29×0.25×4              0.125×8.8   

 63.4÷2.5÷0.4   4.9÷1.4               3.9÷1.3×5 

0.35×1.25×2×0.8   32.4×0.90.1×32.4       15÷0.25

28.6×10128.6   0.86×15.70.86×14.7       2.4×102

 0.25×36             0.125×3.2×2.5                35×40.2

小数乘除法计算题

 二、列竖式计算.                     

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

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         2.5×0.88

5.555×5.2    2.22×3.33      7.658×85     36.02×0.3        56.78×8

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        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)

10.75÷12.5=  (用乘法验算)      3.25×9.04=  (用除法验算)

 解决问题:

1.一台榨油机每小时榨油0.45吨,4台这样的榨油机3.5小时榨油多少吨?

 2. 小华和小川两人同时从乙地分别向甲、丙两地背向而行,小华每小时走3.2千米,小川每小时走2.6千米,走了4小时两人相距多远?(用两种方法解答)

  3.一批煤计划每天烧0.6吨,可以烧70天。由于改进烧煤技术,实际每天只烧煤0.56吨,实际可以烧多少天?

 4.一台磨粉机4小时磨面粉2.6吨,照这样计算7.5小时可以磨面粉多少吨?(得数保留整吨)                 

5.粮店运来30袋大米和40袋面粉,一共是2500千克,大米每袋50千克。每袋面粉多少千克?

6.一架飞机每小时飞行860千米,比一列火车每小时飞行的6倍还多20千米。这列火车每小时行多少千米?

7.甲乙两辆汽车同时从相距480千米的两地相对开出,经过3.2小时两车相遇。已知乙车每小时行72千米,甲车每小时行多少千米

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