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Author:
馬政剛
GeoGebra
New Resources
第八周作业
四邉形 (四年級) 教師版
判斷球體
異分母分數減法
画直线等分三角形的面积
Discover Resources
四下_面積（一）(教師版)
rectangle_tktcps
函數平移
太陽系的認識(問答)
gltzk 角錐的兩種展開圖
Discover Topics
Binomial Distribution
Prism
Circle
Optimization Problems
Circumcircle or Circumscribed Circle