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Author:
李俊儀
GeoGebra
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兩組對邊相等的四邊形
四邊形的特性
【案例】2018年全国1卷理科12题
第八周作业
柱體建築師
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題四
平面区域的理解
sequence-circle
拼出三角形的副本
三角形的构成 的複本
Discover Topics
Incircle or Inscribed Circle
Trapezoid
Conditional Probability
General Quadrilateral
Optimization Problems