17⼀15-(1⼀3 2⼀5)等于多少用脱式计算?

2024-12-04 10:18:04
推荐回答(2个)
回答1:

17/15-(1/3+2/5)
=17/15-(5/15+6/15)
=17/15-11/15
=6/15
=2/5

回答2:

17/15-(1/3+2/5)
=17/15-11/15
=6/15
=2/5