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Parabolic reflector with cylindrical concentrator
作者：
Νίκος Βερβέρης
Parabolic reflector
GeoGebra
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Triangle with 3 Right Angles
Circle Passing Through 3 Points
Exploring GeoGebra for the First Time
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Straight line equation
Seto Transformation Art
straight lines 01
Black Hawk Pricing Assignment Day 1
Pirámide
探索主題
正切線或正切
積分
角度
平行四邊形
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