3⼀5加小括号3⼀8-1⼀4?

2025-04-08 16:47:38
推荐回答(1个)
回答1:

3/5+(3/8一1/4)
=3/5+(3/8一2/8)
=3/5+1/8
=24/40+5/40
=29/40