2-4⼀7-3⼀7等于多少7⼀16 3⼀16-3⼀8的和等于多少?

2024-12-25 22:32:33
推荐回答(1个)
回答1:

2-4/7-3/7=2-(4/7+3/7)=2-1=1
7/16+3/16-3/8
=10/16-3/8
=5/8-3/8
=2/8
=1/4