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同心圓
Author:
柳淳珈
GeoGebra
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世界平面地圖 (Codex╱2026.10.07)
Nested spiral octagon
湖南省张毅郴数字教研工作室 logo
近似值：有效數字
Claude 解幾何題
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CLOCK
P53_3c
正六邊形串珠
Triangle
拋物線生活應用
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