d26c86f5-7b82-4b1c-9247-00c29cc13a384046699c-bf23-42df-86af-f548b0617fa22.3.6[{"lang":"es","name":"El ortoedro: Área y volumen"},{"lang":"en","name":"The orthohedron: Surface area and volume"},{"lang":"ca","name":"L'ortoedre: Àrea i volum"}]418/7/16 11:4318/7/16 11:43