7×(1⼀7+1⼀5)×5列式计算怎么算?

2024-12-04 18:04:02
推荐回答(2个)
回答1:

列式计算
7×(1/7+1/5)×5
=7x1/7x5+7x1/5x5
=5+7
=12

回答2:

原式
=7x1/7x5+7x1/5x5
=5+7
=12