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Author:
Lin Ching Chieh
GeoGebra
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【案例】2018年全国1卷理科12题
柱體建築師
球體建築師
找出對稱軸
sanjiaohanshu
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排列組合
高中數學函數圖形
畢氏定理
畫鐘面的副本
線性變換矩陣（二階）的副本
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