Question

Scrieti multimile M3 si M7 si apoi multimea A formata din elementele comune (care se gasesc sin M3 si in M7).Completati multimea A cu multimea M21.

Answer 1

M3={3,6,9,12,15,18,21,24,27,30}
M7={7,14,21,28,35,42,49,56,63}
A={21,42,63,84,105,126,147,189,218}
M21={21,42,63,84,105,126,147,189,218}