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Author:
严东泰 (YanDongtai)
Topic:
Mathematics
GeoGebra
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四邉形 (四年級) 教師版
四邊形的特性
找出對稱軸
畫出對稱圖形
【案例】2018年全国1卷理科12题
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兩物體在時間 0 ~ 1 間，碰撞判斷
F3 Ch9.3 羅盤及真方位角
圓面積示範
正圆锥展开图
相反数 探究 （教材第9页）
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Similar Triangles
Prism
Geometry
Trapezoid
Standard Deviation