4⼀5-括号2⼀15+1⼀3怎么算

4/5-括号2/15+1/3怎么算
2024-12-14 13:49:56
推荐回答(2个)
回答1:

4/5-(2/15+1/3)
=4/5-(2/15+5/15)
=12/15-7/15
=5/15
=1/3

回答2:

4/5-(2/15+1/3)
=4/5-7/15
=1/3