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正菱形
Author:
Ethan111
GeoGebra
New Resources
Nested spiral octagon
小数 的副本
幾何作圖題：切三圓（題目）
三半圓間的相切圓(Codex╱2026.10.07)
國旗 (作圖步驟直接餵給 Claude)
Discover Resources
Time
T3 Geobra
旋轉縮小的正方形
題10
賺賠：例1的副本
Discover Topics
Sequences and Series
Rotation
Limits
Real Numbers
Indefinite Integral