O.6(循环)能在数轴上表示吗?7分之22是有理数吗?
题目
O.6(循环)能在数轴上表示吗?7分之22是有理数吗?
有理数与无理数怎样界定?
答案
0.6循环可以在数轴上表示
22/7是有理数
简单地说:无理数是无限不循环小数 例如π!
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