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李洲意
Author:
Lee Chew Yee
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
畫出對稱圖形
異分母分數減法
兩位數除以一位數（一）
找出對稱軸
Discover Resources
一次函數
趙緹的GGB繪本
函数情调
橢圓1-同心圓法
可控九九乘法口诀表
Discover Topics
Stochastic Process or Random Process
Histogram
Centroid or Barycenter
Correlation
Rotation