а) 50%, 25%, 25%
б) 60%, 10%, 10%, 10%, 10%
в) 20%, 20%, 20%, 20%, 20%
г) 40%, 20%, 20%, 20%
Ответ: а) 50%, 25%, 25%; б) 60%, 10%, 10%, 10%, 10%; в) 20%, 20%, 20%, 20%, 20%; г) 40%, 20%, 20%, 20%.