1/(12*x^15*y^10*z^6)
-x^8 y^5 z^3 除 [84x^8 y^6 z^4 除 ( -7 xyz ) ] =______
3个回答
相关问题
-
x+y-z=0求证x^3+8y^3=z^3-6xyz
-
(7X^2Y^3-8X^3Y^2Z)除以8X^2Y^2
-
已知:x除以3等于y除以5等于z除以7.求x+y+3z除以3y-2z-x的值
-
方程组3x-y+2z=7 2x+y-4z=-8 7x+y-5z=-6怎么做?
-
x^3-8y^3-z^3-6xyz
-
{7x+3y-5z=8 y:x:z=5:3:8
-
因式分解:24xy²z²(x+y-z)-32xyz(z-x-y)²+8xyz³(
-
3x^2y-{xyz-(2xyz-x^2z)-4x^2z+[3x^2y-(4xyz-5x^z-3xyz)]}
-
若2x-3y+z=0,3x-2y-6z=0,且xyz不等于0,求x²+y²+z²除以2x&
-
已知4x-3y-6y=0,x+2y-7z=0(xyz≠0),求2x+3y+6z/x+5y+7z的值.