（全填分数） 3/4-3/5= 8/15-1/3= 1/2+3/5-7/10= 1/12+1/6= 3/8+1/4= 1/3+1/4+1/6+1/12=

Question

如题所述

Answer 1

你好！
3/4-3/5= 3/20
8/15-1/3=1/5
1/2+3/5-7/10=2/5
1/12+1/6= 1/4
3/8+1/4=5/8
1/3+1/4+1/6+1/12=5/6

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Answer 2

3/4-3/5=3/20
8/15-1/3=1/5
1/2+3/5-7/10=2/5
1/12+1/6=1/4
3/8+1/4=5/8
1/3+1/4+1/6+1/12=5/6

Answer 3

3/4-3/5=3/20
8/15-1/3=1/5
1/2+3/5-7/10=2/5
1/12+1/6=1/4
3/8+1/4=5/8
1/3+1/4+1/6+1/12=5/6

Answer 4

答案依次是3/20,1/5,2/5,1/4,5/8,1/3