早教吧作业答案频道 -->数学-->
xy-yz+zx-xz+yx+zy-2xyz因式分解后的结果是()A.(y-z)(x+y)(x-z)B.(y-z)(x-y)(x+z)C.(y+z)(x-y)(x+z)D.(y+z)(x+y)(x-z)
题目详情
xy-yz+zx-xz+yx+zy-2xyz因式分解后的结果是( )
A.(y-z)(x+y)(x-z) B.(y-z)(x-y)(x+z) C.(y+z)(x-y)(x+z) D.(y+z)(x+y)(x-z)
A.(y-z)(x+y)(x-z) B.(y-z)(x-y)(x+z) C.(y+z)(x-y)(x+z) D.(y+z)(x+y)(x-z)
▼优质解答
答案和解析
C.(y+z)(x-y)(x+z)
看了xy-yz+zx-xz+yx+...的网友还看了以下：
已知x+y+z=3a,(a不等于0,且x,y,z不全相等),求(x-a)(y-a)+(y-a)(z 2020-06-12 …
已知有理数x,y,z满足x+[y]+｛z｝=-0.9,[x]+｛y｝+z=0.2,｛x｝+y+[z 2020-06-14 …
4个未知数求解方程X+Y=A;Z+M=B;X+Z=C;Y+M=D;A,B,C,D为常量,X,Y,Z 2020-08-01 …
若(a+1)x+y|a|-z=3是关于xyz的三元一次方程组,则a等于什么? 2020-08-03 …
若a+b+c=1,求√(3a+1)+√(3b+1)+√(3c+1)的最大值设x=√(3a+1),y= 2020-10-31 …
xyz=1,x+y+z=2,x^2+y^2+z^2=3,求x,y,z我解:xy=1/z,x+y=2- 2020-10-31 …
1.已知x+y+z=3a,(a不等于0,且x,y,z不全相等),求(x-a)(y-a)+(y-a)( 2020-10-31 …
1.若2^x=5^y=10^z,xyz不等于0,则.(2^x的意思是2的x次方)A.z=(x-y)/ 2020-11-01 …
x,y,z,a,b,c,r>0证明：x+y+a+b/x+y+a+b+c+r+y+z+b+c/y+z+ 2020-11-01 …
1.已知1=xy/(x+y),2=yz/(y+z),3=zx/(z+x),则x+y+z=?2..当x 2020-11-01 …