(1)a+1分之a + a+1分之1(2)x+1分之3 - x+1分之3x(3)(a+1)²分之a + (a+1)²分之1(4)(x-1)²分之3 - (x-1)²分之3x求你们了

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 13:43:36
(1)a+1分之a + a+1分之1(2)x+1分之3 - x+1分之3x(3)(a+1)²分之a + (a+1)²分之1(4)(x-1)²分之3 - (x-1)²分之3x求你们了

(1)a+1分之a + a+1分之1(2)x+1分之3 - x+1分之3x(3)(a+1)²分之a + (a+1)²分之1(4)(x-1)²分之3 - (x-1)²分之3x求你们了
(1)a+1分之a + a+1分之1
(2)x+1分之3 - x+1分之3x
(3)(a+1)²分之a + (a+1)²分之1
(4)(x-1)²分之3 - (x-1)²分之3x
求你们了

(1)a+1分之a + a+1分之1(2)x+1分之3 - x+1分之3x(3)(a+1)²分之a + (a+1)²分之1(4)(x-1)²分之3 - (x-1)²分之3x求你们了
(1)a+1分之a + a+1分之1
=(a+1)/(a+1)=1
(2)x+1分之3 - x+1分之3x
=(3-3x)/(x+1)=3(1-x)/(x+1)
(3)(a+1)²分之a + (a+1)²分之1
=(a+1)/(a+1)²=1/(a+1)
(4)(x-1)²分之3 - (x-1)²分之3x
=(3-3x)/(x-1)²=3/(1-x)

- - ,网上有好多的。何必非要百度知道。再说亲不会要问,抄了有什么用。

这题都不会?= =