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GeoGebra
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GeoGebra
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Copy_Side and Area of Similar Figures
Author:
lamyc
GeoGebra
New Resources
平行線的判定
异形操场
撒针估算面积实验
双心四边形
活动三：应用性质
Discover Resources
整數÷整數_ 工作紙（一）_題8
柯西不等式
onemove
Bearings(方位)
一筆畫
Discover Topics
Trigonometric Functions
Similar Triangles
Conic Sections
Tangent Function
Straight Lines