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a fost răspuns

se dau multimile:
A={2,3,12,13,102,103,1002,1003}
B={x divide xapartine A,x-1apartine A}
C={x divide xapartine A,x+1apartine A}.Calculati B reunit C.repede!!cat mai repede!!dau 99 pct si coroana!!e neaparat!!AJUTOR!!AJUTATI-MA!!VAA ROGG!!PLS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Răspuns :

Cioroiuroxana
B={3,13,103,1003}
C={2,12,102,1002}
B reunit cu C = A={2,3,12,13,102,102,1002,1003}