👤

17<n < 30  n={.............................}

Răspuns :

n={18,19,20,21,22,23,24,25,26,27,28,29}
numerele sunt strict mai mici decat 30 si mai mari decat 17
deci n = { [tex]18,19,20,21,22,23,24,25,26,27,28,29[/tex] }