Question

ajutatima va rog frumos pleaz​

Answer 1

M4={0,4,8,12,16,20,24...}

M12={0,12,24,36..}

M12UM4={0,4,8,12,16,20,24,36..}

M11={0,11,22,33,44..}

D12={12,6,4,3,2,1}

M11UD12={0,1,2,3,4,6,11,22,33,44..}