3⁴ = 9² = 9*9 = 81
6² = 6*6 = 36
5³ = 5*5*5 = 125
2⁷ = 2³ * 2³ * 2 = 8*8*2 = 128
Прости, что так коряво .-.
31/356, 28/365,31/365,30/365,31/365,30/365,31/356,31/365,30/365,31/365,30/365,31/365
Високосный:
31/366,29/366,31/366,30/366,31/366,30/366,31/366,31/366,30/366,31/366,30/366, 31/366