步骤可以省略吗?1.最简公分母12x³yz²所以6z²/3x³yz² 16x²y/12x³yz² 15x²yz/12x³yz²2.最简公分母(1-a)³所以x(1-a)²/(1-a)³ y(1-a)/(1-a)...
通分:(1) 1/2x^3y,4/3xz^2,5/4xz
1个回答
相关问题
-
x/3+y/4+z/5=1/3 求(xy+xz+yz)/(x^2+y^2+z^2)=
-
若x/2=1/y=z/3,且xy+xz+yz=99,求4x^2-2xz+3yz-9y^2的值.
-
1)分式3a/2x^2y,4b/-5xz^2,-5x/4z^3y^2的最简公分母是_________.
-
方程组(xy+x)/(x+y+1)=2 (xz+2x)/(z+y+2)=3 (y+1)(z+2)/(z+y+3)=4
-
已知xy/x+y=-2,yz/y+z=4/3,xz/x+z=-4/3,求xyz/xy+yz+xz的
-
解方程组:(xy+x)\(x+y+1)=2,(xz+2x)\(z+x+2)=3,(y+1)(z+2)\(y+z+3)=4
-
三元二次方程组(XY+X)/(X+Y+1)=2(XZ+2X)/(X+Z+2)=3(Y+1)(Z+2)/(Z+Y+3)=4
-
因式分解:1.x²-y²-2xz+z²-a²-2ay2.(x²-4y&
-
x/2=y/3=z/4,求(xy+yz+xz)/(x^2+y^2+z^2)
-
已知X:Y:Z=3:4:5,则(XY-2YZ-XZ)/(2X^2-Y^2+Z^2)=_____.