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Author:
高长乐
GeoGebra
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【案例】2018年全国1卷理科12题
兩位數加法
畫出對稱圖形
柱體建築師
錐體建築師
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找動矩形的軌跡
托勒密定理推廣到直線
glt-h02-07 直角三角柱柱展開
可調包絡圓
聖者即正義
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Complex Numbers
Linear Programming or Linear Optimization
Matrices
Line Segment
Straight Lines