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 × 2/3 + 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
31.7/8-5/6+11/12
32.6/7+5/14-1/2
33.8-17/42-25/42
34.1-5/9-(2/3+5/9)
35.5/9-(1/6+1/12)
36.11/12-2/9+1/12-7/9
37.7/12+5/6-3/4
38.4/5-2/3+7/6
39.2/3+(5/7-5/14)
40.8/9-(5/6-3/4)
41.14/15-(1/4+7/30)
42.29/30-(14/15-3/4)
43.13/24+7/8+11/24
44.3-17/18-19/18
45.7/9+2/3-4/9
46.5/8+1/2+3/4
47.19/24+11/12-3/4
48.14/15+4/5-2/3
49.13/12-1/2-1/3
50.4/9-1/6+4/3
51.6/7-3/14+1/2
52.1-1/2+3/4
53.1/2-1/3-1/6
54.9/11+7/2-9/22
55.8/9-1/3+5/6
56.7/12+1/3-1/4
57.7/25+4/5-1/2
58.1/4+2/3-1/12
59.3/8+5/8-1
60.3/7-1/2+9/14
“/”是分号线；&是除号；*是乘号。
43-19/8-19/11=
7/2+9/7+7/5+9/2=
【2/1-（3/2）】&6/1=
4/3&2/1+5/4*6/5=
7/2+9/7+7/5+9/2=
8/7-7/4$5/4=
17/8$23+23/1*17/9=
7/3*11/5+7/4*11/5=
5/3$(5/1+10/1)=
4/3&(2/1+8/5)*5/4=
6-(8/7-8/3)=
(36+10/9)*9/1=
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 × 2/3 + 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=
31.7/8-5/6+11/12=
32.6/7+5/14-1/2 =
33.8-17/42-25/42=
34.1-5/9-(2/3+5/9)=
35.5/9-(1/6+1/12)=
36.11/12-2/9+1/12-7/9=
37.7/12+5/6-3/4=
38.4/5-2/3+7/6=
39.2/3+(5/7-5/14)=
40.8/9-(5/6-3/4)=
41.14/15-(1/4+7/30)=
42.29/30-(14/15-3/4)=
5. 6÷ 3/8 – 3/8 ÷6 =
6. 4/7 × 5/9 + 3/7 × 5/9=
33.8-17/42-25/42=
34.1-5/9-(2/3+5/9)=
35.5/9-(1/6+1/12)=
36.11/12-2/9+1/12-7/9
4/5-2/3+7/6=
2/3+(5/7-5/14)=
8/9-(5/6-3/4)=
2/3+(5/7-5/14)=
8/9-(5/6-3/4)=
14/15-(1/4+7/30)=
29/30-(14/15-3/4)=
2. 5/2 -（ 3/2 + 4/5 ）
3. 7/8 + （ 1/8 + 1/9 ）
4. 1/9 + 1/6 + 5/6
5. 3/4 + 8/9 - 1/3
6. 11/14 + 5/49 + 3/14
7. 1/6 +（ 1/2 + 2/3 ）
8. 4/5 - 1/3 + 11/5
9. 2/3 + 5/6 – 5/6
10. 9/7 - 2/7 + 10/21
11. 3/7 + 7/2 - 4/3
12. 8/9 + 1/9 + 1/27
13. 1/3 + 5/6 – 2/9
14. 3/7 + 3/4 + 1/4
15. 1/8 + 1/4 – 3/8
16. 1/8 + 1/4 - 3/8
17. 4/5 + 2/3 + 3/4
18. 1/4 + 8/3 – 5/6
19. 17/32 – 3/4 + 9/32
20. 2/3 + 2/9 + 1/3
21. 5/7 - 3/21 + 3/7
22. 3/14 + 2/3 + 1/6
23. 1/5 + 2/3 + 5/6
24. 9/22 + 1/11 + 1/2
25. 5/3 + 11/5 + 4/3
26. 2/3 - 5/6 + 1/3
27. 7/19 + 12/19 - 5/6
28. 1/4 + 3/4 + 2/3
29. 8/7 - 15/14 + 1/7
30. 2/101 + 1/5 – 1/5
童鞋们这道题是错的，减不开。
