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相同圖形的拼砌（三角形）
Author:
ho ting chit
Topic:
Triangles
GeoGebra
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圓的基本性質
画直线等分三角形的面积
双心四边形
斜率的值
【案例】2018年全国1卷理科12题
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線性組合
F2_Ch11.2_三角學(邊長與角的關係)
乘方
正立方體的截面
翰林數學_2下_CH3-4_扣條
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Orthocenter
Dilation
Geometry
Arithmetic Operations
Hypothesis Testing