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GeoGebra
GeoGebra Classroom
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24 小時報時制
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Author:
Winnie
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第三周作业效果演示
椭圆内切圆链
活动三:应用性质
盈利與虧蝕
比較五件物件的重量
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test
翰林B4課p227_9
Copy of 七巧板綜合
求三棱锥体积
三角函数诱导公式的副本
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Hypothesis Testing
Cylinder
Right Triangles
Rational Numbers
Symmetry