12÷7⼀6+12⼀7×7⼀4简便计算?

2024-11-25 06:34:39
推荐回答(1个)
回答1:

12÷7/6+12/7×7/4
=12×6/7+3
=72/7+3
=10又2/7+3
=13又2/7