3a,3/a,a-b/2,根号a+b,5,-xy,a平方-2ab+1,把他们归为多项式和单项式和非整式
问题描述:
3a,3/a,a-b/2,根号a+b,5,-xy,a平方-2ab+1,把他们归为多项式和单项式和非整式
答
多:a-b/2,根号a+b,a平方-2ab+1,
单:3a,5,-xy,
非:3/a