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1.2-1 集合的表示法
Author:
GeoGebra Institute of WuXi
GeoGebra
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近似值：有效數字
美國國旗 (Codex 版)
四邊形的特性
三半圓間的相切圓(Codex╱2026.10.07)
畫出對稱圖形
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基測試題旋轉
正弦公式證明 (Mr. KONG)
gjc097a29 重心
解題二
匀变速直线运动位移公式推导
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Scalene Triangles
Linear Equations
Geometric Transformations
Parallelogram
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