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waaachen
Author:
陳兪宏
waaachen
GeoGebra
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四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
拼砌四邊形
直角坐標平面上的旋轉變換
第八周作业
Discover Resources
優質教育基金計劃中期分享會 (26/6/2015)
中線定理(阿波羅尼奧斯)定理推廣二：向四邊形推廣
配方法 Completing the Square
解聯立方程
直线倾斜角与斜率的副本
Discover Topics
Plane Figures or Shapes
Variance
Median Line
Quadrilaterals
Natural Numbers