简便的20道分数四则混合运算

简便的20道分数四则混合运算

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
3.(23/4-3/4)*(3*6+2)
4.3/7 × 49/9 - 4/3
5.8/9 × 15/36 + 1/27
6.12× 5/6 – 2/9 ×3
7.8× 5/4 + 1/4
8.6÷ 3/8 – 3/8 ÷6
9.4/7 × 5/9 + 3/7 × 5/9
10.5/2 -（ 3/2 + 4/5 ）
11.7/8 + （ 1/8 + 1/9 ）
12.9 × 5/6 + 5/6
13.3/4 × 8/9 - 1/3
14.7 × 5/49 + 3/14
15.6 ×（ 1/2 + 2/3 ）
16.8 × 4/5 + 8 × 11/5
17.31 × 5/6 – 5/6
18.9/7 - （ 2/7 – 10/21 ）
19.5/9 × 18 – 14 × 2/7
20.4/5 × 25/16 + 2/3 × 3/4
21.14 × 8/7 – 5/6 × 12/15
22.17/32 – 3/4 × 9/24
23.3 × 2/9 + 1/3
24.5/7 × 3/25 + 3/7
25.3/14 ×× 2/3 + 1/6
26.1/5 × 2/3 + 5/6
27.9/22 + 1/11 ÷ 1/2
28.5/3 × 11/5 + 4/3
29.45 × 2/3 + 1/3 × 15
30.7/19 + 12/19 × 5/6
31.1/4 + 3/4 ÷ 2/3
32.8/7 × 21/16 + 1/2
33.101 × 1/5 – 1/5 × 21

1. 3/7 × 49/9 - 4/3 =1 2. 8/9 × 15/36 + 1/27 =11/27 3. 12× 5/6 – 2/9 ×3 =28/3 4. 8× 5/4 + 1/4 =41/4 5. 6÷ 3/8 – 3/8 ÷6 =255/16 6. 4/7 × 5/9 + 3/7 × 5/9 =5/9 7. 5/2 -（ 3/2 + 4/5 ） =1/5 8. 7/8 + （ 1/8 + 1/9 ） =10/9 9. 9 × 5/6 + 5/6 =25/3 10. 3/4 × 8/9 - 1/3 =1/3 11. 7 × 5/49 + 3/14 =13/14 12. 6 ×（ 1/2 + 2/3 ）=7 13. 8 × 4/5 + 8 × 11/5 =24 14. 31 × 5/6 – 5/6 =1 15. 9/7 - （ 2/7 – 10/21 ）=31/21 16. 5/9 × 18 – 14 × 2/7 =6 17. 4/5 × 25/16 + 2/3 × 3/4 =7/4 18. 14 × 8/7 – 5/6 × 12/15 =46/3 19. 17/32 – 3/4 × 9/24 =1/4 20. 3 × 2/9 + 1/3 =1 21. 5/7 × 3/25 + 3/7 =18/35 22. 3/14 ×× 2/3 + 1/6 =13/42 23. 1/5 × 2/3 + 5/6 =29/30 24. 9/22 + 1/11 ÷ 1/2 =13/22 25. 5/3 × 11/5 + 4/3 =5 26. 45 × 2/3 + 1/3 × 15=35 27. 7/19 + 12/19 × 5/6 =17/19 28. 1/4 + 3/4 ÷ 2/3 =11/8 29. 8/7 × 21/16 + 1/2 =2 30. 101 × 1/5 – 1/5 × 21=16