早教吧作业答案频道 -->数学-->
m(x-y)+n(y-x)=(x-y)()m(x-y-z)^2+n(y+z-x)=(x-y-z)()m(x-y-z)-x+y+z=(x-y-z)()6x^2y-2xy^2+4xyz中各项的公因式是()
题目详情
m(x-y)+n(y-x)=(x-y)(_____) m(x-y-z)^2+n(y+z-x)=(x-y-z)(_____)
m(x-y-z)-x+y+z=(x-y-z)(_____)
6x^2y-2xy^2+4xyz中各项的公因式是()
m(x-y-z)-x+y+z=(x-y-z)(_____)
6x^2y-2xy^2+4xyz中各项的公因式是()
▼优质解答
答案和解析
m(x-y)+n(y-x)=(x-y)(m-n)
m(x-y-z)^2+n(y+z-x)=(x-y-z)(mx-my-mz-n)
m(x-y-z)-x+y+z=(x-y-z)(m-1)
6x^2y-2xy^2+4xyz中各项的公因式是(2xy)
m(x-y-z)^2+n(y+z-x)=(x-y-z)(mx-my-mz-n)
m(x-y-z)-x+y+z=(x-y-z)(m-1)
6x^2y-2xy^2+4xyz中各项的公因式是(2xy)
看了m(x-y)+n(y-x)=(...的网友还看了以下:
已知x,y,z满足y+z/x=z+x/y=x+y/z=k,求k的值我只知道一个,∵y+z/x=z+ 2020-04-26 …
设x,y,z都是正数,且3^x=4^y=6^z,求证:1/z-1/x=1/2y∵x,y,z都是正数 2020-04-27 …
(高分)解一条数学题里的一步,我看不明白是什么,请指出实数x,y和z满足x+y+z=5,xy+yz 2020-05-16 …
看到这句话的时候我就彻底崩溃了,希望大家能帮我说通啊,呵呵.矢量场A=A(x,y,z)在oxyz中 2020-06-14 …
x(y+z-x)=39-2(x*x)1.解方程组y(z+x-y)=52-2(y*y)z(x+y-z) 2020-10-30 …
一道初二数学题,急!设a=x/y+z,b=y/x+z,c=z/x+y,且x+y+z不等于0.求代数式 2020-10-31 …
若x/3=y/4=z/5(z不等于0),求x+y+z/x-y-z的值.提示:可先令x/3=y/4=z 2020-10-31 …
已知x,y,z是三个互不相同的非零实数,设a=x^2+y^2+z^2,b=xy+yz+zx,c=x^ 2020-11-01 …
x:y=3:2y:z=5:4X+y+z=16求结果和计算过程,是解方程x+y+Z=9x+y除以2=Z 2020-11-01 …
帮帮小弟,概率方面的东西p(x,y|z)p(y|x,z)怎么推出p(x,y|z)等于p(y|x,z) 2020-12-28 …