2⼀3-1⼀4+3⼀5等于多少?

2024-11-29 17:40:30
推荐回答(2个)
回答1:

2/3-1/4+3/5
=8/12-3/12+3/5
=5/12+3/5
=25/60+36/60
=61/60
通分计算

回答2:

2/3-1/4+3/5
=40/60-15/60+36/60
=25/60+36/60
=61/60