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geometrie
Posted:
Fri Mar 19, 2010 10:52 am
by
cris
Ce lungime a parcurs un biciclist daca roata bicicletei a facut 3000 de rotatii si are un diametru de 0,5 metri?
Posted:
Sat May 29, 2010 10:20 am
by
andreiilie
la o rotatie a facut 2pi*raza , deci in total 2 pi*raza * nr de rotatii