(3-1)^2+(3-(-2))^2=29
ответ:√29
Http://calcs.su/%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0/%D0%B4%D0%B5%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5-%D1%81%D1%82%D0%BE%D0%BB%D0%B1%D0%B8%D0%BA%D0%BE%D0%BC.html
(5 3/10 - 19/5*15/38)*5/84 + 2 1/8
(5 3/10 - 3/2)*5/84 + 2 1/8
(5 3/10 - 15/10)*5/84 + 2 1/8
(3 8/10)*5/84 + 2 1/8
38/10*5/84 + 2 1/8
38/168 + 2 1/8
19/84 + 2 1/8
38/168 + 2 21/168
2 59/168