若M,N为单项式且1/2x2y+M=1/2xy(N+2y),求M,N
问题描述:
若M,N为单项式且1/2x2y+M=1/2xy(N+2y),求M,N
答
1/2x ²y+M=1/2xy(N+2y)
=1/2xyN+xy ²
所以
N=x
M=xy ²