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餘弦定理的圖形證明2
Author:
yuchengda
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
第八周作业
直角坐標平面上的旋轉變換
球體建築師
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平面幾何
證平行四邊形 (對角相等)
題二
多物件逐一移動，單一物件分段移動
正三角形
Discover Topics
Functions
Area
Pythagoras or Pythagorean Theorem
Differential Equation
Congruence