7⼀10+1⼀2-4⼀15等于多少化简?

2024-12-19 11:10:08
推荐回答(1个)
回答1:

7/10+1/2-4/15
=7/10+5/10-4/15
=12/10-4/15
=6/5-4/15
=18/15-4/15
=14/15