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三角形三边关系
Author:
林峰
GeoGebra
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sanjiaohanshu
世界平面地圖 (Codex╱2026.10.07)
三半圓間的相切圓(Codex╱2026.10.07)
AI 訓練教室
伊朗國旗 (Codex╱2026.10.07)
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y=x²-a的圖形
[問題] x² + 2xy + y² + 5x + ay + b > 0
四角柱算體積(可以切開)
三視圖04
线性规划&不等式&可行域&目标函数
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Parallelogram
Sequences and Series
Conic Sections
Geometric Transformations
Vectors