11⼀15-4⼀18+17⼀30脱式计算?

2024-12-04 22:57:52
推荐回答(2个)
回答1:

11/15-4/18+17/30
=66/90-20/90+51/90
=46/90+51/90
=97/90

回答2:

11/15-4/18+17/30
=66/90-20/90+51/90

=97/90