Question

determinați divizorii lui 20
b)​

Answer 1

a) D₁₅={1,3,5,15}

D₂₀={1,2,4,5,10,20}

b) D₁₅∩D₂₀={1,5}

D₁₅∪D₂₀={1,2,3,4,5,10,15,20}