Răspuns :
a) n≤ 105⇒ n={100, 101,102,103,104,105}
b) 660≤n<664⇒ n={ 660,661,662,663}
c) n≤307; n≥303⇒ n={303,304,305,306,307}
b) 660≤n<664⇒ n={ 660,661,662,663}
c) n≤307; n≥303⇒ n={303,304,305,306,307}