(a+b)²=a²+2ab+b²

Autor:Daniel Mentrard

Tópico:Álgebra

http://dmentrard.free.fr/GEOGEBRA/Maths/Export6/(a+b)%C2%B2MD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/Export6/(a+b)%C2%B2MD.html

http://dmentrard.free.fr/GEOGEBRA/Maths/Export6/(a+b)%C2%B2MD.html

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