单项式有几个5abc,-7X^2+1,-2X/5,1/3,4X-Y/2中,单项式共有( )A.1个 B.2个 C.3个 D.4个
问题描述:
单项式有几个
5abc,-7X^2+1,-2X/5,1/3,4X-Y/2中,单项式共有( )
A.1个 B.2个 C.3个 D.4个
答
单项式有几个
5abc,-7X^2+1,-2X/5,1/3,4X-Y/2中,单项式共有( )
A.1个 B.2个 C.3个 D.4个