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勾股定理（几何原本）的副本
Author:
夜雨嘀嗒
Topic:
Pythagoras or Pythagorean Theorem
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
畫出對稱圖形
【案例】2018年全国1卷理科12题
判斷球體
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圓與弦2
消失的面積(一)
軌跡一︰移動點與一固定點保持固定距離(圓)
多項式函數的遞增與遞減(分段塗函數顏色)
七巧板的副本
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Correlation
Linear Equations
Ratios
Addition
Similar Triangles