若3x^3m-2n-5 +5y^2m+3n-16=2是关于x、y的二元一次方程,求m/n的值

2m+n 5 3 2m-n诺4x y 与x y 是同类项,m/n= 若3x^m+1y^2与x^3y^n的积是单项式3x^5y^5则n^m+m^n= 已知单项式M,N满足3x(M-5x)=6x^2y^3+N,求M,N 已知x^m+n=3,y^m-n=2,求代数式(-1/3x^2m+n·y^5m-6n)·(1/2x^m+2n·y^2n-m) 若2x^m-n+1y^3m-2n-5与-3x^n-1y是同类项,则m=___,n=____RT 若x^3m=4,y^3n=5,求(x^2m)^3+(y^n)^3-^2m*y^n的值 若x^3m=4,y^3n=5,求（x^2m)^3+(y^n)^3—x^2m·y^n·x^4m·y^2n的值 (1)(m+n)^3+2m(m+n)^2+m^2(m+n)= (2)[（x-2y)(x+2y)+4(1)(m+n)^3+2m(m+n)^2+m^2(m+n)=(2)[（x-2y)(x+2y)+4(x-y)^2］除以5x=(3)1.2345^2+(0.7655)^2+2.469乘0.7655-2.5^2= 若x^3m=4,y^3n=5,求（x^2m)^3+(y^3n)^2 已知(m+n)x^n·y^m-2·(3xy^2+5x^2·y)=21x^m·y^n+1+35x^m+1·y^n,求m和n 若3x^(m+5)y^2与x^3y^n是单项式,则m^n=_____ 若3x^(m+5)y^2与x^2y^n的和是单项式,则n^m= 若3x^(m+5)y^2与x^3y^n是单项式,则m^n=_____ 为什么x^ m+5与x^ 3相等 因式分解:2x^5m-1 * y^m -4x^3m-1 * y^m+2 +2x^m-1 * y^n+4 若(3x^5m+5n+8)+(4y^4m-2n -7)是关于x,y的二元一次方程,则m除以n=? 若3X^2m+n+1+5y^m-2n-1+0是关于X,Y的二元一次方程,则m=?,n=? 已知单项式M N满足3x(M-5x)=6x^2y^2 求M N 若x^3m=4,y^3n=5,求(x^2m)^3+(y^n)^3-x^2n*y^n*x^4m*y^2n的值