已知單項式xy^2a-1/3與10xy^a+1/2和仍是單項式,那麼a=________

已知單項式xy^2a-1/3與10xy^a+1/2和仍是單項式,那麼a=________

單項式xy^2a-1/3與10xy^a+1/2和仍是單項式
2a-1/3=a+1/2
a=5/6