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Triangle
Forfatter
mahler
Triangle Prolem: World's hardest elementary geometry problem
http://ai.stanford.edu/~hdwang/puzzle2.html
problem#6
GeoGebra
Nye Materialer
Flip 5 Coins.
apec
Untitled
Flip A Bunch of Coins
အခြေခံ data အခေါ်အဝေါ်များ
Opdag Ressourcer
Area of Circles
Angles in Opposite Segments
Isabelle_Garand_Geogebra_Check_In
Transformations - Translations initial
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