afla toti multiplii comuni ai numerelor 3 si 7 care se gasesc intre 20 si 70(Nu Dati raspunsuri aiurea ca raportez )

Răspuns :

M 3 {21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69}

M 7 {21,28,35,42,49,56,63,70}

Multiplii comuni: 21,42,63.
3×7=21
20<M21<70
M21={21,42,63}