和化简(a+b)(a-b)=a^2-b^2这种形式一样
把x+z看做a,y看做b
=（x+z）^2-y^2
化简（x-y+z）(x+y+z)
1个回答
相关问题
-
化简:分式加减化简:(2x-y-z)/(x-y)(x-z)+(2y-z-x)/(y-z)(y-x)+(2z-y-x)/(
-
化简(y-x)(z-x)/(x-2y+z)(x+y-2z)+（z-y)(x-y)/(xy-2z)(y+z-2x)+(x-
-
数学：化简 (x+y+z)^2—(-x+y+z)^2+(x-y+z)^2-(x+y-z)^2
-
已知x>0,y0,且|x||z|,化简:|x+z|+|y+z|-|x+y|
-
1,化简x(y-x)－y(z-x)+z(x-y)的结果是_____
-
化简下列分式(x+y)²-z²分之x²-(y-z)²
-
对称多项式的化简 （x+y+z)^3-(y+z-x)^3-(z+x-y)^3-(x+y-z)^3
-
化简 [x^3(y^2-z^2)+y^3(z^2-x^2)+z^3(x^2-y^2)]/[x^3(y-z)+y^2(z-
-
化简x^2-yz/[x^2-(y+z)x+yz]+y^2-zx/[y^2-(z+x)y+zx]+z^2-xy/[z^2-
-
化简(x+2y+3z-2)(x-2y-3z-2)