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 × 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