有理数加法练习题-50道
- 格式:docx
- 大小:36.61 KB
- 文档页数:4
有理数加法练习题-50道
一、单选题
1. `-2 + 3 = ?`
2. `1/2 + 1/3 = ?`
3. `-5 + (-3) = ?`
4. `2 + (-4) = ?`
5. `-1/3 + 1/2 = ?`
6. `2/3 + 1/4 = ?`
7. `-1/4 + (-3/4) = ?`
8. `3/4 + (-1/2) = ?`
9. `3.5 + 2.5 = ?`
10. `-1.5 + 2 = ?`
二、填空题
11. `1 + (-5) = ______`
12. `2/3 + 5/6 = ______`
13. `-4 + 2 = ______` 14. `3/5 + (-1/5) = ______`
15. `-1.5 + 1.5 = ______`
16. `1/4 + 3/4 = ______`
17. `-2/3 + 1/3 = ______`
18. `3 + (-4) = ______`
19. `4.5 + 2.5 = ______`
20. `-2.5 + 3 = ______`
三、解答题
21. `如果 A = -3, B = 2, 求 A + B = ?`
22. `如果 A = 1/2, B = -1/3, 求 A + B = ?`
23. `如果 A = -1/4, B = 3/4, 求 A + B = ?`
24. `如果 A = 3, B = -4, 汰 A + B = ?`
25. `如果 A = 2.5, B = 1.5, 求 A + B = ?`
四、计算题
26. `计算 (-2) + 3`
27. `计算 1/2 + (-1/3)` 28. `计算 -5 + (-2)`
29. `计算 2 + (-3)`
30. `计算 -1/3 + 1/2`
31. `计算 2/3 + 1/4`
32. `计算 -1/4 + (-3/4)`
33. `计算 3/4 + (-1/2)`
34. `计算 3.5 + 2.5`
35. `计算 -1.5 + 2`
五、组合题
36. `請問 -2 + 3 + 1 = ?`
37. `請問 1/2 + 1/3 + 1/6 = ?`
38. `請問 -5 + (-3) + 2 = ?`
39. `請問 2 + (-4) + 3 = ?`
40. `請問 -1/3 + 1/2 + 1/6 = ?`
41. `請問 2/3 + 1/4 + 1/6 = ?`
42. `請問 -1/4 + (-3/4) + 1/2 = ?`
43. `請問 3/4 + (-1/2) + 1/4 = ?`
44. `請問 3.5 + 2.5 + 1.5 = ?` 45. `請問 -1.5 + 2 + 1.5 = ?`
六、混合题
46. `如果 A = -2, B = 3, C = 1, 求 A + B + C = ?`
47. `如果 A = 1/2, B = 1/3, C = 1/6, 求 A + B + C = ?`
48. `如果 A = -5, B = -3, C = 2, 求 A + B + C = ?`
49. `如果 A = 2, B = -4, C = 3, 求 A + B + C = ?`
50. `如果 A = -1.5, B = 2, C = 1.5, 求 A + B + C = ?`
以上就是50道有理数加法的练题,希望对你的研究有所帮助。