(5⼀12减3⼀7)减(4⼀7减7⼀12)等于多少

2025-03-22 04:21:02
推荐回答(5个)
回答1:

(5/12减3/7)减(4/7减7/12)
=5/12-3/7-4/7+7/12
=(5/12+7/12)-(3/7+4/7)
=1-1
=0

回答2:

先拆开算5/12+7/12-(3/7+4/7)=0
先观察,同分母的先计算

回答3:

(5/12-3/7)-(4/7-7/12)
=5/12-3/7-4/7+7/12
=(5/12+7/12)-(3/7+4/7)
=1-1
=0

回答4:

等于0

回答5:

0