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齒輪作圖
Author:
Lin Ching Chieh
GeoGebra
New Resources
找出對稱軸
判斷球體
四邊形的特性
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
Discover Resources
周界
binary number system
第一冊
example1_moon
直线过定点问题(1)
Discover Topics
Percentages
Circle
Standard Deviation
Similarity Transformation or Similarity
Secant Line or Secant