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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
長方體平面投影 (Codex版)
美國國旗 (Codex 版)
畫出對稱圖形
兩組對邊相等的四邊形
第八周作业
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點到直線的距離 8：觀察平行線常數項的差距
例子
pentagon
Copy of 周界
诱导公式五（90°+α）
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Cylinder
Histogram
Reflection
Rectangle
Tree Diagrams