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parallelogram and squares
Author:
johnmayhk
GeoGebra
New Resources
三半圓間的相切圓(Codex╱2026.10.07)
幾何作圖題：切三圓（題目）
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國旗 (Claude 版)
Fibonacci Clock
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根據百分率找數量（二）: 例1
平行四邊形
平行四邊形柱算體積(可以切開)
江苏省职校数学网络资源
有理数与无理数
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Polygons
Vectors 2D (Two-Dimensional)
Mode
Continuity
Frequency Distribution