单项式 3a,5,-xy
多项式 a-b/2,a的平方-2ab+1
整式 3a,a-b/2,a的平方-2ab+1,5,-xy
不是整式 3/a,根号a,
代数式3a,3/a,a-b/2,根号a,a的平方-2ab+1,5,-xy中,哪些是单项式?哪些是多项式?哪些是整式?哪些不是整式?
代数式3a,3/a,a-b/2,根号a,a的平方-2ab+1,5,-xy中,哪些是单项式?哪些是多项式?哪些是整式?哪些不是整式?
数学人气：221 ℃时间：2019-12-15 12:32:59
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