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一組物件的幾分之幾（練習）
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GeoGebra
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兩組對邊相等和有直角的四邊形
判斷球體
畫出對稱圖形
第八周作业
GeoGebra笔记功能体验课件
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指數與對數的親密接觸
橫斷式研究之樣本數估計（Outcome為odds ratio）
test
Rotation（旋轉）
江苏省职校数学网络资源
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Ellipse
Normal Distribution
Real Numbers
Angles
Similarity Transformation or Similarity