74f5461a-d3fb-465f-b06e-5c6fe82ca74f836b0b88-39dc-4359-884f-37f4f4a0ecf17.1.8[{"lang":"es","name":"Cardinalidad de conjuntos"},{"lang":"en","name":"Sets cardinality"},{"lang":"ca","name":"Cardinalitat de conjunts"}]318/7/16 11:4318/7/16 11:43