数学小学专题训练

五年级数学计算专项练习

一、口算题(共20题) 请直接写出得数: 1. 3.6 + 2.4 = 2. 7.5 - 2.3 = 3. 2.5 × 4 = 4. 12 ÷ 0.3 = 5. 0.8 × 0.7 = 6. 6.3 ÷ 0.9 = 7. 0.25 × 8 = 8. 4.8 + 1.2 = 9. 9.6 ÷ 3 = 10. 1.5 × 6 = 11. 0.72 ÷ 0.8 =

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一、口算题(共20题)

请直接写出得数:

1. 3.6 + 2.4 =

2. 7.5 - 2.3 =

3. 2.5 × 4 =

4. 12 ÷ 0.3 =

5. 0.8 × 0.7 =

6. 6.3 ÷ 0.9 =

7. 0.25 × 8 =

8. 4.8 + 1.2 =

9. 9.6 ÷ 3 =

10. 1.5 × 6 =

11. 0.72 ÷ 0.8 =

12. 3.2 × 0.5 =

13. 5.4 ÷ 0.6 =

14. 0.125 × 8 =

15. 2.8 + 3.6 =

16. 7.2 ÷ 0.8 =

17. 0.36 ÷ 0.12 =

18. 4.5 × 0.2 =

19. 6.4 - 2.8 =

20. 0.56 ÷ 0.7 =

二、脱式计算(共5题)

请写出主要计算过程:

1. 3.6 × 2.5 + 4.8 ÷ 0.4                                                                               2. 12.5 - 2.5 × 3.2 + 1.8

 

3. 0.8 × (7.2 + 2.8) ÷ 0.4                                                                            4. 4.5 × 0.8 + 5.5 × 0.8

  

5. (9.6 - 4.8) ÷ 0.6 + 2.5 × 4

    

三、解方程(共5

1. x + 3.5 = 8.2                                             2. 2x - 4.6 = 7.4                                          

1. x + 3.5 = 8.2

解:________________________________________

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2. 2x - 4.6 = 7.4

解:________________________________________

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3. 3x + 2.5 = 11.5

解:________________________________________

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4. 0.5x + 1.2 = 4.2

解:________________________________________

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5. 4(x - 1.2) = 9.6

解:________________________________________

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