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勾股定理III (修改)
Author:
吳政憲
GeoGebra
New Resources
盈利與虧蝕
科氏力 (Coriolis Force)
第八周作业1
双心四边形
比較五件物件的重量
Discover Resources
some pic
Quiz on Projection of a Line Segment on a Plane 投影：測驗
Quiz on Solving Inequalities 解不等式：測驗
製作對稱圖形-釘板2-LEVEL 1
Completing the Square (Part 6)
Discover Topics
Equations
Triangles
Pythagoras or Pythagorean Theorem
Conic Sections
Numbers