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Copy of 20151104 四邊形 P2
Author:
catcpc
,
makkei
Topic:
Quadrilaterals
GeoGebra
New Resources
画直线等分三角形的面积
【案例】2013年安徽高考15题
畫出對稱圖形
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
商高定理\水
三角形
數軸
串珠
GGBex2
Discover Topics
Quadratic Functions
Trigonometry
Addition
Orthocenter
Rotation