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Helenio Savoldini
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Simmetria ferrari (2 Dicembre 2015)
Activity
Helenio Savoldini
Spider helenio (27 Novembre 2015)
Activity
Helenio Savoldini
triangolo emiequilatero
Activity
Helenio Savoldini
secondo teorema di Euclide
Activity
Helenio Savoldini
secondo teorema di Euclide
Activity
Helenio Savoldini
Pitagora
Activity
Helenio Savoldini
