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九九乘法表的認識
Author:
鍾文欽
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
找出對稱軸
【案例】2018年全国1卷理科12题
四邊形的特性
Discover Resources
telling the time
平移動畫(平移加滑桿)
利用Geogebra說明y=a(x-h)2+k的圖形性質
盾牌(小動畫)
untitled a01
Discover Topics
Exponent
Diagrams
Definite Integral
Parametric Curves
Expected Value