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凹正方形
Author:
王玉霞
GeoGebra
New Resources
【案例】2013年安徽高考15题
判斷球體
球體建築師
拼砌四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
小四平面圖形學習單
Similar triangles in a triangle
聖者即正義
椭圆的定义
拋物線生活應用
Discover Topics
Pythagoras or Pythagorean Theorem
Secant Line or Secant
Ratios
Circumcircle or Circumscribed Circle
Arithmetic Operations