有理数加减法计算题50道及答案
来源 :华课网校 2024-09-13 12:41:53
中有理数加减法计算是数学中的基础知识,对于初中学生来说,掌握这些知识是非常重要的。下面为大家提供50道有理数加减法计算题及答案。
1. (2/3) + (-1/2) = 1/6
2. (-7/8) - (-1/4) = -5/8
3. (-5/6) + (4/9) = -1/18
4. (-3/5) - (2/3) = -19/15
5. (-1/4) - (1/2) = -3/4
6. (2/3) - (1/6) = 5/6
7. (-5/6) + (-2/9) = -11/18
8. (1/2) + (-3/4) = -1/4
9. (-2/3) - (-1/2) = -1/6
10. (3/4) + (1/6) = 5/8
11. (-7/8) + (-5/12) = -11/24
12. (2/3) - (-5/6) = 1/2
13. (-1/3) - (-2/5) = 1/15
14. (3/4) + (-1/3) = 5/12
15. (-5/6) - (-1/3) = -1/2
16. (7/8) + (1/4) = 15/16
17. (-2/5) - (3/8) = -19/40
18. (1/2) + (-2/3) = -1/6
19. (-3/4) - (-1/6) = -5/8
20. (5/6) + (-2/3) = 1/6
21. (-3/5) + (-1/2) = -11/10
22. (1/3) - (1/4) = 1/12
23. (4/5) - (1/2) = 3/10
24. (-1/6) - (-1/3) = 1/6
25. (-2/3) + (-1/4) = -11/12
26. (1/2) - (-3/4) = 5/4
27. (-5/6) - (-2/3) = -1/6
28. (2/3) + (5/6) = 7/6
29. (-1/3) + (2/5) = 1/15
30. (3/4) - (-1/3) = 17/12
31. (-5/6) + (1/3) = -1/2
32. (7/8) - (1/4) = 5/8
33. (-2/5) + (3/8) = 1/40
34. (1/2) - (-2/3) = 7/6
35. (-3/4) + (-1/6) = -5/8
36. (5/6) - (-2/3) = 7/6
37. (-3/5) - (-1/2) = -1/10
38. (1/3) + (1/4) = 7/12
39. (4/5) + (1/2) = 13/10
40. (-1/6) + (-1/3) = -1/2
41. (-2/3) - (-1/4) = -5/12
42. (1/2) + (-3/4) = -1/4
43. (-5/6) + (-2/3) = -19/18
44. (2/3) + (5/6) = 7/6
45. (-1/3) + (2/5) = 1/15
46. (3/4) - (-1/3) = 17/12
47. (-5/6) + (1/3) = -1/2
48. (7/8) - (1/4) = 5/8
49. (-2/5) + (3/8) = 1/40
50. (1/2) - (-2/3) = 7/6
以上是50道有理数加减法计算题及答案,希望能够帮助初中学生们更好地掌握这些知识。
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