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奠基活動20141008
Author:
user17840
奠基樞紐定理
GeoGebra
New Resources
畫出對稱圖形
拼砌四邊形
兩組對邊相等和有直角的四邊形
sanjiaohanshu
找出對稱軸
Discover Resources
二次涵数的图象y=ax^2+b
Drawing quadrilaterals on the grid or the pinboard
圆的面积 - 洋葱法
example 1_sun
S3 WS4.3 Q01(3D圖)
Discover Topics
Volume
Percentages
Right Triangles
Statistical Characteristics
Circumcircle or Circumscribed Circle