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congruent triangles

Author:lamanleung

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近似值：有效數字
伊朗國旗 (Codex╱2026.10.07)
小数的副本
美國國旗 (Codex 版)
三半圓間的相切圓(Codex╱2026.10.07)

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歷屆考題
圓柱體與長方形的關係
對稱圖形
Liu Huis Methode zum Finden von π
S3 Percentages

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Trigonometry
Orthocenter
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Cone

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