5⼀8-1⼀5+3⼀8 简便方法

2024-12-17 04:29:11
推荐回答(5个)
回答1:

解:
5/8-1/5+3/8
=5/8+3/8-1/5
=(5+3)/8-1/5
=8/8-1/5
=1-1/5
=5/5-1/5
=(5-1)/5
=4/5
=0.8

回答2:

答:5/8-1/5+3/8
=(5/8+3/8)-1/5
=1-1/5
=4/5

回答3:

= (8分之5+8分之3)一5分之1
=1-5分之1
=4分之1

回答4:

5/8-1/5+3/8
=5/8+3/8-1/5
=1-1/5
=4/5

回答5:

5/8-1/5+3/8
=5/8+3/8-1/5
=1/1/5
=4/5