如题所述
第1个回答 2013-07-23
1: 7/8 + 1/9
2: 5/2 - 4/5
3: 3/4 - 1/3
4: 5/9 + 3/4
5: 1/2 + 2/3
6: 4/5 + 1/6
7: 5/6 – 4/7
8: 4/7 – 10/21
9: 5/9 – 2/7
10:7/15 + 2/3本回答被提问者采纳
2: 5/2 - 4/5
3: 3/4 - 1/3
4: 5/9 + 3/4
5: 1/2 + 2/3
6: 4/5 + 1/6
7: 5/6 – 4/7
8: 4/7 – 10/21
9: 5/9 – 2/7
10:7/15 + 2/3本回答被提问者采纳
第2个回答 2017-12-27
1: 7/8 + 1/9
2: 5/2 - 4/5
3: 3/4 - 1/3
4: 5/9 + 3/4
5: 1/2 + 2/3
6: 4/5 + 1/6
7: 5/6 – 4/7
8: 4/7 – 10/21
9: 5/9 – 2/7
10:7/15 + 2/3
2: 5/2 - 4/5
3: 3/4 - 1/3
4: 5/9 + 3/4
5: 1/2 + 2/3
6: 4/5 + 1/6
7: 5/6 – 4/7
8: 4/7 – 10/21
9: 5/9 – 2/7
10:7/15 + 2/3