2025年教学资料:2.4 含绝对值的不等式(分层作业)(解析版)
2.4含绝对值的不等式分层作业1.不等式的解集为___________【答案】【详解】由,得,解得,所以不等式的解集为,故答案为:2.在数轴上与原点距离不大于3的点表示的数的集合是( )A.或B.C.D.【答案】B【分析】在数轴上与原点距离不大于3的点表示的数的集合为|x|≤3的集合.【详解】由题意,满足|x|≤3的集合,可得:,故选:B3.不等式的解集是( )A.B.C.D.【答案】A【分析】根据绝对值的几何意义计算可得;【详解】解:即,解得,所以原不等式的解集为.基础巩固故选:A4. 不等式||>的解集是( )A.B.C.D.【答案】D【分析】由绝对值的...
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