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公切線長度的計算
Author:
曾己泉
Topic:
Circle
外公切線與內公切線的描述及計算
GeoGebra
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湖南省张毅郴数字教研工作室 logo
找出對稱軸
幾何作圖題：切三圓（題目）
畫出對稱圖形
三半圓間的相切圓(Codex╱2026.10.07)
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Measurement & Classification of Angles 角的量度和分類
賺賠：例1
超快國旗
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小游戏
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