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國八：平方根與勾股定理-完全平方式化簡
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賴尚欣
GeoGebra
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湖南省张毅郴数字教研工作室 logo
Fibonacci Clock
找出對稱軸
拼砌四邊形
判斷球體
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圓錐曲線
Text in Spreedsheet
同旁內角---水平平行綫
巧算周界
S3 Ch4.3 例4.6b 三視圖(3D圖)
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Isosceles Triangles
General Quadrilateral
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Circle
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