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（贵阳专用）2019中考数学总复习第1部分教材同步复习第二章方程（组）与不等式（组）课时5一元二次方程及其应用权威预测.doc

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（贵阳专用）2019中考数学总复习第1部分教材同步复习第二章方程（组）与不等式（组）课时5一元二次方程及其应用权威预测.doc_第1页
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1第一部分 第二章 课时 51已知关于 x 的一元二次方程 2x24 x k10 有实数根，则 k 的最大值是_3_.2关于 x 的一元二次方程 x2 x3 m0 有两个不相等的实数根，则 m 的取值范围是_m _.112

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