七分之一乘以十一分之六加十一分之一乘以七分之五的简便计算

2025-03-11 00:27:18
推荐回答(2个)
回答1:

1/7×6/11+1/11×5/7
=1/7×6/11+5/11×1/7
=1/7×(6/11+5/11)
=1/7×1
=1/7

回答2:

1/7*1/11(6+5)=1/7