(xy-3/2y-1/2)-(xy-3/2x+1) 其中x=3/10 y=3/8要过程
来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/18 20:23:00
(xy-3/2y-1/2)-(xy-3/2x+1)其中x=3/10y=3/8要过程(xy-3/2y-1/2)-(xy-3/2x+1)其中x=3/10y=3/8要过程(xy-3/2y-1/2)-(xy-
(xy-3/2y-1/2)-(xy-3/2x+1) 其中x=3/10 y=3/8要过程
(xy-3/2y-1/2)-(xy-3/2x+1) 其中x=3/10 y=3/8要过程
(xy-3/2y-1/2)-(xy-3/2x+1) 其中x=3/10 y=3/8要过程
(xy-3/2y-1/2)-(xy-3/2x+1)
=xy-3/2y-1/2-xy+3/2x-1
= 3/2(x-y-1)
=3/2(3/10 -3/8-1)
=-129/80
5xy^2-{2x^y-[3xy^2-(xy^2-2x^2y)]/(-1/2xy)}
化简!1、(x^2-xy)+xy+y^2 2、3(x^2-xy)-xy+y^2
3xy-4xy-(-2xy)
3xy-4xy-(-2xy)
(-3xy+2xy)-(4xy+xy)
(X-3xy+4xy-y)-[-2x-2(xy-3/2xy)-y]+6xy的过程
计算(3x^2y-xy^2+1/2xy)/(-1/2xy)
计算(-3分之1xy²)²×[xy(2x-y)+xy²]=
化简 2(xy-xy²+3)-(-4xy²+xy-1) 其中,x等于--4,y等于-3
(1)3xy-4xy-(-2xy)
计算:3xy(x²y-xy²+xy)-xy²(2x-xy+2x)
2x²y-3(2xy-xy)-xy
(-xy^-1)^2*(-xy^-2)^-3/(-x^2y^3)
xy(xy+1)+xy+3-2(x+y+1/2)-(x+y-1)^2因式分解
(-1/3xy)^2•[xy(2x-y)-2x(xy-y^2)]
( )-(x^2+3xy)=-xy-1/3y^2
y^3+xy^2+2xy+x^2-1 因式分解
5x^2y/-1/2xy*3xy^2