d6844b41-8ea2-4834-8c61-4974a64d446bf7d013df-286b-400e-96e5-5ccd1f60b0374.15.3[{"lang":"es","name":"Operaciones con potencias"},{"lang":"en","name":"Operations with powers"},{"lang":"ca","name":"Operacions amb potències"}]17/18/16, 11:43 AM7/18/16, 11:43 AM