7⼀12÷(1⼀6+1⼀4)的简便计算?

2024-11-25 06:01:32
推荐回答(1个)
回答1:

7/12÷(1/6+1/4)
=7/12÷(2十3/12)
=7/12÷5/12
=7/12X12/5
=7/5