1) $$35 : 15 = 2$$ (ост. 5)
Проверка: $$15 * 2 + 5 = 30 + 5 = 35$$
2) $$81 : 30 = 2$$ (ост. 21)
Проверка: $$30 * 2 + 21 = 60 + 21 = 81$$
3) $$44 : 20 = 2$$ (ост. 4)
Проверка: $$20 * 2 + 4 = 40 + 4 = 44$$
4) $$24 : 27 = 0$$ (ост. 24)
Проверка: $$27 * 0 + 24 = 0 + 24 = 24$$