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DSE - 5B 薩赫勒的遊牧業

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中四級數學科 5.1 二次函數圖像的特徵

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中四級數學科 5.2 以代數方法求二次函數的極大值或極小值 A 二次函數 y = a(x-h)^2 + k 的極大值或極小值

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