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1B |
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1D |
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1E |
“No one can pass through life, any more than he can pass through a bit of country, without leaving tracks behind, and those tracks may often be helpful to those coming after him in finding their way.” Robert Baden-Powell
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Sviluppo |
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Sulla LIM il tetraedro realizzato con Sketchup di cui abbiamo visto le proiezioni ortogonali. |