1. 3/7 -49/9 - 4/3
2. 8/9 + 15/36 + 1/27
3. 12+5/6 – 2/9 ×3
4. 8+ 5/4 + 1/4
5. 6- 3/8 – 3/8 ÷6
6. 4/7 - 5/9 + 3/7 - 5/9
7. 5/2 -( 3/2 + 4/5 )
8. 7/8 + ( 1/8 + 1/9 )
9. 9 - 5/6 + 5/6
10. 3/4 - 8/9 - 1/3
11. 7 - 5/49 + 3/14
12. 6 +( 1/2 + 2/3 )
13. 8 +4/5 + 8 -11/5
14. 31 -5/6 – 5/6
15. 9/7 - ( 2/7 – 10/21 )
16. 5/9 + 18 – 14 +2/7
17. 4/5 + 25/16 + 2/3 +3/4
18. 14 - 8/7 – 5/6 + 12/15
19. 17/32 – 3/4 - 9/24
20. 3 +2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 +2/3 + 1/6
23. 1/5 -/3 + 5/6
24. 9/22 + 1/11 -1/2
25. 5/3 - 11/5 + 4/3
26. 45 - 2/3 + 1/3 -15
27. 7/19 + 12/19 +5/6
28. 1/4 + 3/4 +2/3
29. 8/7 +21/16 + 1/2
30. 101 + 1/5 – 1/5 - 21
既然是同分母的话,就是只进行分子的加减法,你可以直接训练整数的加减法就行
12+12
12+13
12+15