若xmy2-m和-2x4yn是同类项,则m=___,n=______
若多项式3x (m+2n) y和-4x(3) y(3m-2n)是同类项,则m= .n= .(___)中是次方
若单项式3x2yn与-2xmy3是同类项,则m+n=______.
当m=______,n=______时,2xmy3与-3xy3n是同类项.
如果2x的3m-1次方y的4次方与-3x的8次方y的2n次方是同类项,则m=___,n=______.
单项式3xm+2ny8与-2x2y3m+4n是同类项,则m+n=______.
单项式3x^m+2 y^7与-2x^4 y^2m+3n是同类项,则m+n=______
求文档:已知a^2m*b^n+6和8*a^3m-1*b^2m+1是同类项,则m= ,n=
已知代数式2a3bn+1与-3am-2b2是同类项,则m+2n=______.
已知代数式2a3bn+1与-3am+2b2是同类项,则2m+3n=______.
2x^mY³和3xy^n是同类项,则代数式m-2n等于多少______.
若2a^3b^n+1与-9a^m+nb^3是同类项,则m=___ n=___?别说看不懂,高手来满意后在加20财富,空格
若(3x*m+2n)y*8与(-2x*2)y*3m+4n是同类项,则m+n=?