3[xy-2z] [-xy 3z] 的化简比是什么?
1个回答
3[xy-2z]+[-xy+3z]
=3xy-6z-xy+3z
=2xy-3z
相关问题
3(xy-2z)+(-xy+3z)化简
00之前要.一、化简:(1)【x-(y-z)】-【(x-y)-z】(2)(8xy-3x²)-5xy-3(xy-
3(xy+2z)+(-xy+3z) 怎样做
3(xy-2z)+(-xy+3z)等于多少?
计算-xy-(4z-2xy)-(3xy-4z)
化简[2y−3z/2yz+2z−3x3zx+9x−4y6xy]可得到( )
化简 2x-y-z x 2 -xy-xz+yz + 2y-x-z y 2 -xy-yz+xz + 2z-x-y z 2
已知A=2x^3-xy^z,B=y^3-z^2+xy^z,C=-x^3+2y^2-xy^z,其中,x=-1,y=1,z=
化简(2x-y-z/x^2-xy-xz+yz)+(2y-x-z/y^2-xy-yz+xz)+(2x-x-y/z^2-xz