5*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*55*5 5*5.
х+х = 2х гр
(0,5х) / (2х) = 0,5:2 = 0,25 гр
0,25 *100% = 25%