2a5bn+2与-9am+nb5是同类项.求2m-3n=______.
2a5bn+2与-9am+nb5是同类项.求2m-3n=______.
若-2anbm+7与4a5bn的和仍为单项式,则mn-n-m=______.
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=______.
当m=______,n=______时,2xmy3与-3xy3n是同类项.
若单项式3x2yn与-2xmy3是同类项,则m+n=______.
单项式3xm+2ny8与-2x2y3m+4n是同类项,则m+n=______.
已知单项式9am+1bn+1与-2a2m-1b2n-1的积与5a3b6是同类项,求m,n的值.
若3xm+2ny8与-2x2y3m+4n是同类项,试求m-n的值.
单项式3x^m+2 y^7与-2x^4 y^2m+3n是同类项,则m+n=______
已知-2xmy与3x3yn是同类项,求m-(m2n+3m-4n)+(2nm2-3n)的值.
已知,9a^n-3b^2n与-2a^3mb^5-n的积与5a^4b^9是同类项,求m,n