6道数学题(解下列方程)(1)(1/x+1)-(x/1-x)=0(2)x-1/x-2=0(3)5/x-1=1/x-3(4)(1/x-3)+2=7-x/x-3(5)3/x-2=4/x-1(6)(x/3x-4)-(2/3-x)=1/3要检验)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 11:24:53
6道数学题(解下列方程)(1)(1/x+1)-(x/1-x)=0(2)x-1/x-2=0(3)5/x-1=1/x-3(4)(1/x-3)+2=7-x/x-3(5)3/x-2=4/x-1(6)(x/3x-4)-(2/3-x)=1/3要检验)

6道数学题(解下列方程)(1)(1/x+1)-(x/1-x)=0(2)x-1/x-2=0(3)5/x-1=1/x-3(4)(1/x-3)+2=7-x/x-3(5)3/x-2=4/x-1(6)(x/3x-4)-(2/3-x)=1/3要检验)
6道数学题(解下列方程)
(1)(1/x+1)-(x/1-x)=0
(2)x-1/x-2=0
(3)5/x-1=1/x-3
(4)(1/x-3)+2=7-x/x-3
(5)3/x-2=4/x-1
(6)(x/3x-4)-(2/3-x)=1/3
要检验)

6道数学题(解下列方程)(1)(1/x+1)-(x/1-x)=0(2)x-1/x-2=0(3)5/x-1=1/x-3(4)(1/x-3)+2=7-x/x-3(5)3/x-2=4/x-1(6)(x/3x-4)-(2/3-x)=1/3要检验)
(1)(1/x+1)-(x/1-x)=0 x=-1
(2)x-1/x-2=0 x=1
(3)5/x-1=1/x-3 x=2
(4)(1/x-3)+2=7-x/x-3
(5)3/x-2=4/x-1
(6)(x/3x-4)-(2/3-x)=1/3
有的你写的不清楚 写清楚了在发吧

(1/x+1)-(x/1-1)=0
1/x+1=x/1-1
2=(x-1)/x
2x=x-1
x=-1
x-1/x-2=0
x-1/x=2
x-1=2x
x=...

全部展开

(1/x+1)-(x/1-1)=0
1/x+1=x/1-1
2=(x-1)/x
2x=x-1
x=-1
x-1/x-2=0
x-1/x=2
x-1=2x
x=-1
5/x-1=1/x-3
4/x=-2
x=-2
(1/x-3)+2=7-x/x-3
1/x-3+2=7-x/x-3
1-3x+2x=7-x-3x
1-x=7-4x
6=-3x
x=-2
3/x-2=4/x-1
3-2x=4-x
-x=1
x=-1
(x/3x-4)-(2/3-x)=1/3
(1/3-4)-2/3+x=1/3
x-14/3=1/3
x=5
自己把检查过程补充一下就行了哦!

收起