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Ex10.1 q13
Author:
lamanleung
GeoGebra
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斜率的值
平行線的斜率
常见四边形是否是双心四边形
圓周公式的應用
球体的体积推导（优化版）
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圓與弦2
模擬3D物件
量度的誤差 Errors in Measurement
兩線段和圓3
全等双子模型（等腰三角形）
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Tree Diagrams
Pyramid
Boxplot
Multiplication
Probability