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用交轨法求动点的轨迹方程图.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
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算柱 (兩位數)
【案例】2018年全国1卷理科12题
四邊形的特性
兩組對邊相等和有直角的四邊形
畫出對稱圖形
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conjugate
圓形
vertex
以 Unit Circle 了解 Sine 的正/負的副本
网易云音乐
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