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Author(s): 
Pages: 19-20
Year: Issue:  Z2
Journal: School Journal of Mathematics

Keyword:  无理数有理数无限小数循环小数实数开方联系与区别数轴定义错误;
Abstract: <正>问:无理数与有理数有何联系与区别?答:有理数和无理数统称为实数,它们的主要区别在于:无理数是无限不循环小数,而有理数是有限小数或无限循环小数。问:无理数是无限小数,是不是无限小数就是无理数呢?
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