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人教A版选择必修2P22探究等差数列的前n项和与二次函数的关系
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人教A版选择必修2P10教材配图等差数列与一次函数
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人教A版选择必修2P10兔子繁殖斐波那契数列（树状图版）
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高中数学人教A版选择必修一教材P113例6椭圆第二定义
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高中数学人教A版选择必修一P123离心率刻画双曲线的“张口”大小
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高中数学人教A版选择必修一P125例5双曲线第二定义
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高中数学人教A版选择必修一P115复习巩固第6题P127复习巩固第5题，椭…
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高中数学人教A版选择必修一P122双曲线渐近线的探究
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高中数学人教A版选择必修一P115综合运用第10题，椭圆的定义，三圆相切
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高中数学教材配套资源【人教】
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高中数学教材配套资源【人教】
孟宝兴
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