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四、有趣的图形
Author:
玖数
GeoGebra
New Resources
sanjiaohanshu
Earth with coastline
世界平面地圖 (Codex╱2026.10.07)
國旗 (作圖步驟直接餵給 Claude)
國旗 (Claude 版)
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JavaScript
椭圆的参数方程
沈暐珊 橢圓反射
硬幣繞多邊形面積分解圖
sin(x) 的函數圖形 的複本
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Similar Triangles
Prism
Logic
Quadrilaterals
Difference and Slope