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[数学公式] 2022年初中数学关于二次函数知识点 2022-10-21
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 二次函数 (1).定义： (2).抛物线的三要素：开口方向、对称轴、顶点。 (3).几种特殊的二...
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