A.是一棵樹(shù);B.是一棵二叉樹(shù);C.是一棵樹(shù)也是一棵二叉樹(shù);D.既不是樹(shù)也不是二叉樹(shù)
A.n=h+m B.h+m=2n C.m=h-1 D.n=2h-1
A.2h B.2h-1 C.2h+1 D.h+1