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竞猜游戏：说出图中角的大小
Author:
张志勇
Topic:
Angles
GeoGebra
New Resources
世界平面地圖 (Codex╱2026.10.07)
幾何作圖題：切三圓（題目）
sanjiaohanshu
Fibonacci Clock
美國國旗 (Claude 版)
Discover Resources
軌跡,摺紙,滾動,實驗觀察,曲線
蝴蝶定理
-3/2 ≤ cosα + cosβ + cosγ ≤ 3
拼出三角形
GeoGebra 動畫開關按鈕製作的副本
Discover Topics
Median Value
Poisson Distribution
Functions
Linear Programming or Linear Optimization
Logarithm