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imi trbuie rapid a) b) c) d) ​

Imi Trbuie Rapid A B C D class=

Răspuns :

Răspuns:

a)AUB={11,13,21,31,48,49,55}

b)AinversB={13,31,55}

c)AUC={11,13,21,31,48,49,55}

d)AinversC={11,13,21}