简便:
1.5/2 -( 3/2 + 4/5 )
2.7/8 + ( 1/8 + 1/9 )
3.5/6 + ( 1/2 + 2/3 )
4.9/7 - ( 2/7 - 10/21 )
5.3/7 + 49/9 + 4/7
6.8/9 + 15/36 + 3/27
7.5/2 - ( 3/2 + 4/5 )
8.7/8 + ( 1/8 + 1/9 )
9.9/7 - ( 2/7 - 10/21 )
10.1/5 + ( 3/7 + 8/10 )
分数脱式:
1.1/3 + 3/4 + 1/5
2.3/8 + 8/3 - 1/2
3.5/6 + 1/12 + 3/4
4.30/46 - 1/2 + 7/23
5.8/11 + 2/6 + 7/33
6.19/8 - 1/2 - 3/4
7.7/25 + 3/10 - 2/5
8.18/121 - 1/2 + 9/11
9.6/17 - 1/51 - 1/34
10.8/15 + 7/3 - 8/5