已知2xm-1y2与-x2yn是同类项,则(-m)n=______.
若单项式3x2yn与-2xmy3是同类项,则m+n=______.
若3xm-1y2与x2yn-1 是同类项 求mn的值 并判断x=m+n/2是不是方程2x-6=0的解
已知单项式-5x3yn与5xm+1y3是同类项,则m-n的值为______.
单项式3xm+2ny8与-2x2y3m+4n是同类项,则m+n=______.
若单项式4xmy3与-x2yn-1的和是单项式,则m=______,n=______.
若(3m-2)x2yn+1是关于x,y的系数为1的五次单项式,则m=______,n=______.
已知−47y2m−5xn+1与35xm+2yn−2是同类项,则m-n=( )
已知代数式-2xm-1y3与3/2xnym+n是同类项,试求m,n的值.
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=______.
若3xm+2ny8与-2x2y3m+4n是同类项,试求m-n的值.
若方程xm-1+2y3n+1=1是二元一次方程,则m=______,n=______.