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Symmetric設計對稱圖案(兩條對稱軸)
Author:
tokinpong
適合小學四年級同學使用
GeoGebra
New Resources
判斷球體
球體建築師
兩位數加法
三位數除以一位數（二）
四邉形 (四年級) 教師版
Discover Resources
peacock2
平面方程式與法向量
除法運算
triangle
迭帶
Discover Topics
Percentages
Line Segment
Angles
Stochastic Process or Random Process
Hypothesis Testing