f409c0bd-74bf-4707-b8e8-0c04948a9365617d0489-c396-4756-aa07-2dfb47538e191.3.4.4[{"lang":"es","name":"Transformaciones de sumas en productos y productos en sumas"},{"lang":"en","name":"Converting sums into products and products into sums"},{"lang":"ca","name":"Transformacions de sumes en productes i productes en sumes"}]67/18/16, 11:43 AM7/18/16, 11:43 AM