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completati spatiile punctate: a)card{2;3;5;8}=... b) {3;8;9} U {1;2;3}= ... . VA ROG MAI REPEDE

Răspuns :

a) card{2,3,5,8}=4
b) {3,8,9}U{1,2,3}= {1,2,3,8,9}