D = I*C+r
701= x*c+1 => 700 = x*c => [tex] 2^{2} * 5^{2} * 7 = x*c[/tex]
625= y*c+5 => 600 = y*c => [tex] 2^{2} * 5 * 31 = y*c [/tex]
293= z*c+13 => 280 = z*c => [tex] 2^{3} * 5 * 7 = z*c[/tex]
c divide [tex] 2^{2} * 5 [/tex] => c divide 20
c = 20 =>
700 = x*20 => x = 35
620 = y*20 => y = 31
280 = z*20 => z = 14
Si lucrezi la fel si la celalalt exercitiu.
