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平行線截等比例
Author:
周桂名
平行線截等比例
GeoGebra
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找出對稱軸
三位數除以一位數（一）
【案例】2018年全国1卷理科12题
錐體建築師
兩組對邊相等和有直角的四邊形
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反正弦函數
折射率的定義
讀磅
假的龍珠
(006)80102
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Orthocenter
Random Experiments
Vectors 2D (Two-Dimensional)
Probability
Statistics