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三角形不等式
Author:
cyrus
GeoGebra
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美國國旗 (Codex, 2026.10.06)
近似值:有效數字
算柱 (兩位數)
三半圓間的相切圓(Codex╱2026.10.07)
AI 訓練教室
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八年级数学
集合
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
紙飛機
螢橋國中 陳柏丞
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Complex Numbers
Poisson Distribution
Solids or 3D Shapes
Hypergeometric Distribution
Line Segment