Question

Plsss!
Dau coroana! ​

Answer 1

a) n trebuie sa fie un numar care se imparte exact la 3 cu numere intre 3-21

n={6,9,12,15,18}

de ex 6:3=2

b)n={15,19,23,27,31,35}

daca n=15=> 15+1=16 divizibil cu 4

daca n=19 => 19+1=20

daca n=23=> 23+1=24

daca n=27=> 27+1=28

daca n=31=> 31+1=32

daca n=35=> 35+1=36