x3y3(x-y)3+x2y2(y-x)2; 5x(2m-n+p)³-25x²(n-2m-p)
分解公因式p(x-y)-q(y-x)(a+b)(a-b)-(b+a)10a(x-y)^2-5b(y-x)3p(m-2n)
m(x²-3x+1)-n(2x²-4x-2) =5x²-4x+p 求m、n、p的值
已知M=x+3y-3z,N=-2x+5y-z,且3M+2N+P=0,求多项式P
(x+y)(m+n)2-(x+y)(m+n)2
若集合P=(x|x=3m+1,m属于N),Q=(y|y=5n+2,n属于N),则P交Q为
已知集合P={x|根号2 +1≤x≤3} M={x|x^2-(a+1)x+a≤0}N={y|y=x^2-2x,x∈P}且
计算(1)(3m-4n)(3m+4n)-(2m-2n)(2m+n) (2)(x+5y)²-(x-5y)
因式分解x^3-4x^2y x^3+2x^2+x和分解因式4a^2-1 m^2+n^2+2mn-p^2
已知m=y/x²-xy,n=x/y²-xy,p=1/x+1/y,则m,n,p之间的关系
把下列各式因式分解(2m+3n)(2m-n)-4n(2m-n)(x+y)^2(x-y)+(x+y)(y-x)^24a(x
已知x/(m-n)=y/(n-p)=1/(p-m),则x+y的值等于( )
若3x^m+1y^2与x^3y^n的积是单项式3x^5y^5则n^m+m^n=