“/”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)=