来自陈玉华的问题
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
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


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
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
c