Question

urgent va rog dau coroana!!?!????​

Answer 1

A= {12,24,30,36,42,48}
B={12,1}
C={1}
D={3,5,6,7}

Answer 2

A={12,18,24,30,36,42,48}
B={2,4,6,8,10,...,22,24}
C={31,62,93,...}
D={1,3,5,6,7}