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Author:
郭致伸
GeoGebra
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第八周作业
兩組對邊相等和有直角的四邊形
畫出對稱圖形
球體建築師
兩位數加法
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正三角形的旋轉
Text in Spreedsheet
qid_39321
時鐘
三垂線定理
Discover Topics
Combinatorics
Geometric Distribution
Hypothesis Testing
Ratios
Parabola