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Twghmkc_時鐘
Author:
梁卓華
GeoGebra
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美國國旗 (Codex 版)
兩組對邊相等和有直角的四邊形
找出對稱軸
近似值：有效數字
第八周作业
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測試作業？
曲面
reflectional symmetry_3
畫圓
包含除法（整數÷整數）的副本
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Mode
Quadratic Equations
Interest Calculation
Circle
Linear Programming or Linear Optimization