Question

DAU 5 STELE SI CORONIȚA
VA ROG DIN SUFLET​

Answer 1

Răspuns:

D30={1,2,3,5,6,10,15,30}

D42={1,2,3,6,7,21,42}

D30 intersectat cu D40 ={1,2,3,6}

Answer 2

$\it D_{30}=\{1,\ 2,\ 3,\ 5,\ 6,\ 10,\ 15,\ 30\}\\ \\ D_{42}=\{1,\ 2,\ 3,\ 6,\ 7,\ 14,\ 21,\ 42\}\\ \\ D_{30}\cap D_{42}=\{1,\ 2,\ 3,\ 6\}$