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阿Q吧 > 数学题：高中不等式的解集需要详细过程！！！及解不等式组

数学题：高中不等式的解集需要详细过程！！！及解不等式组

2025-03-17 00:01:07

推荐回答（1个）

回答1：

我怎么感觉这样告诉你答案是不好的呢？如果你不熟练以下的解法原理都参照画出二次函数找出与x轴的交点按图像意义求解
（1）x＜0或x大于二分之一（2）x=1
（3）负三分之一≤x≤2（4）我感觉是4到正无穷
（1）没看懂（2）x＜负1或x≥7

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