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優良作品2(怡婷)
Author:
Ching-Hui Chou
GeoGebra
New Resources
三位數除以一位數（一）
錐體建築師
兩組對邊相等的四邊形
異分母分數減法
球體建築師
Discover Resources
複合棒形圖: 圖二
Drawing quadrilaterals on the grid or the pinboard
直升機遊香港：尋找地方遊戲
圖解直式開方
第一个绘本
Discover Topics
Random Variables
Hypothesis Testing
Probability
Tangent Line or Tangent
Median Line