10²+11²+12²+13²+14²/365 =
= 100+121+144+169+196/365 =
= 221+144+169+196/365 =
= 365+169+196/365 =
= 534+196/365 =
= 730/365 = сокращаем на 5
= 146/73 = сокращаем на 73
= 2/1 = 2
10²+11²+12²+13²+14²/365 =
= 100+121+144+169+196/365 =
= 221+144+169+196/365 =
= 365+169+196/365 =
= 534+196/365 =
= 730/365 = сокращаем на 5
= 146/73 = сокращаем на 73
= 2/1 = 2