文档介绍：3/7 × 49/9 - 4/3=
8/9 × 15/36 ＋ 1/27=
12 ×5/6 －2/9 ×3=
8 × 5/4 ＋1/4=
6 ÷ 3/8 －3/8 ÷ 6=
6. 4
3/7 × 49/9 - 4/3=
8/9 × 15/36 ＋ 1/27=
12 ×5/6 －2/9 ×3=
8 × 5/4 ＋1/4=
6 ÷ 3/8 －3/8 ÷ 6=
6. 4/7 × 5/9 + 3/7 ×5/9=
5/2 － (3/2 + 4/5)=
7/8 +(1/8 + 1/9)=
9 × 5/6 + 5/6=
3/4 ×8/9 － 1/3=
7 × 5/49 + 3/14=
6 × (1/2 + 2/3)=
8 × 4/5 + 8 ×11/5=
31 ×5/6 － 5/6=
9/7 －(2/7 － 10/21)=
5/9 ×18－ 14×2/7=
4/5 ×25/16 + 2/3 × 3/4=
14 ×8/7 － 5/6 × 12/15=
17/32 － 3/4 ×9/24=
3 × 2/9 + 1/3=
5/7 ×3/25 + 3/7=
3/14 × 2/3 + 1/6=
1/5 × 2/3 + 5/6=
24. 9/22 + 1/11 ÷ 1/2=
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=
8/7 × 21/16 + 1/2=
101 × 1/5 － 1/5 × 21=
(2/3 ＋ 2/9) × (5/8 － 7/16)=
2/5 × 3/4 － 1/2 ÷ 4=
[8/15 － (7/12 － 2/5)] × 15/14=
5/6+5/3 ×4/5=
5/8 － 1/4 ×(8/9 ÷ 2/3)=
(1/2-1/6) × 3/5 ÷1/5=
1/6 ÷ [9/17 × (3/4+2/3)]=
11/12-1/4+3/10 ÷3/5=
39. 2/3 ÷ [(3/4-1/2) ×4/5]=
2/5+4/15-2/5=
6/7 × 5/8+3/8 ÷ 7/6=
42. (7/11-3/8) × 88=
13-48 × (1/12+1/16)=
4/5 ÷ 3+2/3 × 4/5=
2/5+1/2 ×3/5+7/10=
46.
12/13 × 3/7 ＋4/7 ×
66.
[8/15+(1/12-8/15)]
× 15/14=
12/13 ＋ 12/13=
67.
[2-(8/5+1/3)]
× 15/4=
47.
(7/8-5