x^m-1与2/5x^2y^n-1是同类项,则m=,n=

已知单项式3X^N+1 Y⁴与½x³y^m-2是同类式,求3.5n²m+2nm-7／2mn²+3mn 若3x^m+1y^2与x^3y^n的积是单项式3x^5y^5则n^m+m^n= 代数式3X的M次方×Y与--XY的N-1次方是同类想吗,则N+M= 若2x^m-n+1y^3m-2n-5与-3x^n-1y是同类项,则m=___,n=____RT x^m-1与2/5x^2y^n-1是同类项,则m=,n= 已知1/2x^3m-1*y^3与-3/5x^5*y^2n-1是同类项求m^n+n^m的值 已知-4/7y^2m-5×x^n+1与x^m-2×y^n-2是同类项,则m-n=A-1B1C-7D7 已知-2x^m+4y^2-m与5x^n-1y^n+1的和是单项式,m=（）n=（） 已知-5x^2m-1 y^n与11X^n+2 y^-4-3m的积是同类项,求2n-m-9 已知-3x^m-2ny^n-2与5分之1x^5y^4-m是同类项,求(m-2n)的平方-5(m+n) 已知 8x^2y^3 与 -3x^m+1y^n+1 是同类项,则m+n= 若代数式2x^2 y^m与-1/3x^n y^3是同类项,则m+n= 2X^(3m-1)y^4与-3X^8y^(2n)是同类项,求n和m 2m+n 5 3 2m-n诺4x y 与x y 是同类项,m/n= 已知-4x^(m+2)y^(3m-n)÷[-2x^(5m)y^(2m+n)]的商与-(1/2)x^3y^2是同类项,求m,n的值 已知-4x^(m+2)y^(3m-n)÷[-2x^(5m)y^(2m+n)]的商与-(1/2)x^3y^2是同类项,求m+n的值.如题 已知-4x^(m+2)y^(3m-n)÷[-2x^(5m)y^(2m+n)]的商与-(1/2)x^3y^3是同类项,求m+n 已知2/3x^2n-1y^3m与-1/4x^5y^n+2是同类项,则m+n=?