帮我解一道六年级的方程。皇上有赏。

来源:百度知道 编辑:UC知道 时间:2024/06/24 14:00:39
1-(1/5)x=2*[1-(1/4)x]
解:

需要过程,不要直接的答案。

过程很重要!!!

1-(1/5)x=2*[1-(1/4)x]
解:原式可化为
1-(1/5)x=2-(1/2)x
移项得
-(1/5)x+(1/2)x=2-1
(3/10)x=1
解得x=10/3

1-(1/5)x=2*[1-(1/4)x]

1-1/5x=2-1/2x

1/2x-1/5x=2-1
3/10x=1
x=10/3

1-(1/5)x=2*[1-(1/4)x]
=>1-(1/5)x=2-(1/2)x
=>(1/2)x-(1/5)x=1
=>(1/2-1/5)x=1
=>(3/10)x=1`
=>x=10/3

1-(1/5)x=2*[1-(1/4)x]
=>1-(1/5)x=2-(1/2)x
=>(1/2)x-(1/5)x=1
=>(1/2-1/5)x=1
=>(3/10)x=1`
=>x=10/31-(1/5)x=2*[1-(1/4)x]
解:原式可化为
1-(1/5)x=2-(1/2)x
移项得
-(1/5)x+(1/2)x=2-1
(3/10)x=1
解得x=10/3
1-(1/5)x=2*[1-(1/4)x]

1-1/5x=2-1/2x

1/2x-1/5x=2-1
3/10x=1
x=10/3

解:1-[5/1]X=2*1-2*[4/1]X
1-[5/1]x=2-[2/1]x
1=2-[2/1]x+[5/1]x
1=2-{[2/1]x+[5/1]x}
1=2-[10/3]x
1+[10/3]x=2
[10/3]x=2-1
[10/3]x=1
x=1/[10/3]
x=[3/10]