(5⼀6+7⼀8-5⼀12)÷ 1⼀24用简便方法计算

2025-03-09 09:57:54
推荐回答(3个)
回答1:

括号去了,一项一项的算

回答2:

(5/6+7/8-5/12)÷ 1/24
=(5/6+7/8-5/12)*24=20+21-10=31

回答3:

(20/24+21/24-10/24)×24
=20+21-10=31