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如何在数轴上表示不等式的解集

更新时间: 2020-10-31 00:00:00     

如果不等式的解集为x>3,在数轴“3”上画一个空心圆点,从这个空心圆点开始往上画一段垂直线,并向右边画一条与数轴平行的直线,就表示x>3的解集。

一般地,用纯粹的大于号">"、小于号"

关键词: 如何 数轴 表示 不等式

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