1⼀6+7⼀12⼀(3⼀4-1⼀6)怎么简便算

2025-02-23 18:37:47
推荐回答(1个)
回答1:

1/6+7/12/(3/4-1/6) 分母化成一样的来做简单
=2/12+7/12/(9/12-2/12)
=2/12+7/12×12/7
=2/12+1
=14/12
=7/6