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数学勾股定理
Author:
xuhao
GeoGebra
New Resources
三半圓間的相切圓(Codex╱2026.10.07)
Fibonacci Clock
中華民國國旗 (Codex╱2026.10.06)
幾何作圖題：切三圓（題目）
算柱 (兩位數)
Discover Resources
三角函數的精確值
三角形面積公式B1
數線(最大值:1000)
橢圓的副本
展開圓面積 (講義版)的副本
Discover Topics
Numbers
Geometry
Subtraction
Scalene Triangles
Arithmetic Operations