十二分之七加十一分之五加十一分之五加十一分之六 简便计算

2025-02-24 05:55:09
推荐回答(2个)
回答1:

(7*11+5*12)/132+1

回答2:

7/12 = 1- 5/12
5/11 + 5/11 + 6/11 = 1+5/11
7/12 + 5/11 + 5/11 + 6/11 = 2+ (5/11 - 5/12) = 2 + 5(1/11 - 1/12) = 2+ 5/132

采纳我的,谢谢