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Copy of 20151104 四邊形 P2
Author:
catcpc
,
makkei
Topic:
Quadrilaterals
GeoGebra
New Resources
近似值：有效數字
兩組對邊相等的四邊形
找出對稱軸
球體建築師
錐體建築師
Discover Resources
九點圓 (9-Point Circle)
Apollonius Problem 3 LLP 3
三角形，邊上平分面積
長方形和正方形的面積_題A至E
圖形的繪製(6)---三平行線上的正三角形
Discover Topics
Intersection
Perimeter
Vectors 2D (Two-Dimensional)
Addition
Derivative