优质解答
1.4/7 + 5/9 + 3/7
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
1.4/7 + 5/9 + 3/7
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