若3xmy2-m和-2x4yn是同类项,则m=______,n=______.
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.
单项式3xm+2ny8与-2x2y3m+4n是同类项,则m+n=______.
已知代数式2a3bn+1与-3am+2b2是同类项,则2m+3n=______.
已知代数式2a3bn+1与-3am-2b2是同类项,则m+2n=______.
单项式3x^m+2 y^7与-2x^4 y^2m+3n是同类项,则m+n=______
2x^mY³和3xy^n是同类项,则代数式m-2n等于多少______.
2a5bn+2与-9am+nb5是同类项.求2m-3n=______.
若单项式5x4y和25xnym是同类项,则m+n的值为______.
m、n是非零自然数,若m÷n=7,则m和n的最小公倍数是______.
若A(m+4,n)和点B(n-1,2m+1)关于x轴对称,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