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example 1_sun
Author:
ypy
GeoGebra
New Resources
三位數除以一位數（二）
算柱 (兩位數)
拼砌四邊形
第八周作业
GeoGebra笔记功能体验课件
Discover Resources
樣本大小與抽樣誤差
拋物線規
外心的位置
畢氏
圖形遊戲
Discover Topics
Fractions
Differential Equation
Rectangle
Hyperbola
Pythagoras or Pythagorean Theorem