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Задача 20.16
Author:
Тетяна Паршенко
GeoGebra
New Resources
探究由平行線和截線所成的角
Droste effect
Dissections by Guillermo Bautista
What is an Isogonal Conjugate?
Construct a Conic
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ortocentar
Angle Bisector
Solids about x-axis
Ryan_ParallelogramHWRevised
logan's sting rays