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優良作品7(孟倫)
Author:
Ching-Hui Chou
GeoGebra
New Resources
幾何作圖題：切三圓（題目）
三半圓間的相切圓(Codex╱2026.10.07)
Fibonacci Clock
直角坐標平面上的旋轉變換
找出對稱軸
Discover Resources
Proof of Pythagoras Theorem(1) 畢氏定理的証明(1)
四点共圆
[S3] a GeoGebra file created by a pre-service teacher Peter (pseudonym)
单晨制作网板网板甘肃刘玉平供题
根據百分率找數量（一）: 例3的副本
Discover Topics
Linear Programming or Linear Optimization
Fractions
Quadrilaterals
Constructions
Cosine