3⼀5-4分之1+2⼀5减去四分之三的简便方法怎么算

3/5-4分之1+2/5减去四分之三的简便方法怎么算
2025-03-25 20:52:39
推荐回答(4个)
回答1:

3/5-4分之1+2/5减去四分之三的简便方法怎么算
3/5-1/4+2/5-3/4
=(3/5+2/5)-(1/4+3/4)
=1-1
=0

回答2:

3/5-1/4+2/5-3/4
=(3/5+2/5)-(1/4+3/4)
=1-1
=0

回答3:

回答4:

2/5+3/5=1
1-1/4=3/4
3/4-3/4=0