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congruent triangles_provided by Mr Yeung Kar Chun
Author:
kidmancmw
GeoGebra
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畫出對稱圖形
三半圓間的相切圓(Codex╱2026.10.07)
近似值：有效數字
AI 訓練教室
Claude 解幾何題
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三平行線上作正三角形
三角形外心的軌跡
正切函數的絕對值圖形
Ex.1
未命名圆锥的副本
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Natural Numbers
Trigonometry
Exponent
Random Variables
Rectangle