文档介绍：2/3 × 3/4=
3/5 ÷ 1/2=
5/6 × 4/5=
8/9 × 4/7=
5/9 × 2/6=
2/3 × 1/8=
7/9 × 1/2=
4/5 ÷ 5/6=
2/ 8 ÷ 3/5=
4/ 7 ÷6/8=
5/9 ÷
5/10=
4/6 × 5/8=
7/9 ÷ 1/8=
14.
10/ × 6/8=
27.
5/8 ÷4/9=
41.
3÷ 2/12=
15.
2/7 ÷ 4/9=
28.
6/5 ×5/7=
42.
7/9 ×
16.
5/8 ÷ 5/9=
29.
6/4 ÷3/8=
9/14=
17.
8/9 ÷ 2/5=
30.
2/5 ÷3/4=
43.
5/9 ×8/18
18.
5/6 ÷
31.
6/5 ×3/4=
=
9/10=
32.
3/5 ×5/7=
44.
5/6 ×2/5=
19.
7/8 × 3/7=
33.
6/7 ÷5/3
45.
5/4 ÷5/6=
20.
4/9 × 3/5=
34.
7/8 ×3/6=
46.
4/8 ÷6/8=
21.
6/9 × 2/3=
35.
4/6 ÷2/3=
47.
8/6 ×
22.
2/8 ÷ 6/9=
36.
8/3 ÷6/7=
3/18=
23.
4/10 ×
37.
5/1 ÷2/4=
48.
7/8 ×16=
5/8=
38.
7/6 ×3/4=
49.
9/5 ×10=
24.
8/9 × 2/5=
39.
5/8 ×2/9=
50.
7/8 ×5/8=
25.
6/9 ÷ 4/8=
40.
12/45 ×
51.
5/7 ×10=
26.
2/4 × 1/9=
5/9=
52.
35÷ 5/7=
53.
3/6 × 5/8=
68.
7/8 ×
8/5=
16/49=
90.
7/8 ×4/5=
54.
3/18 ×6=
69.
5/8 ×
6/9=
81.
2/3 ÷4/9=
91.
11/12 ÷
55.
6/9 ÷ 6/9=
70.
5/6 ÷
7/6=
82.
5/11 ÷
121/72=
56.
9/8 × 2/8=
71.
5/9 ×
4/6=
25/33=
92.
11/12 ×
57.
2/6 ÷ 3/9=
72.
7/ 12
×
83.
27/52 ×
8/9=
58.
5/9 ÷ 10=
5/8=
13/9=
93.
13/14 ×
59.