Z+m+n=28 m/n=2/3 n/z=2/3 m-?
Z + m + n = 28 m/n = 2/3 n/z = 2/3 Решение 3m = 2n 3n = 2z n = ( 2/3 )z n = ( 2/3 )m z = m z + z + ( 2/3 )z = 28 2 ( 2/3 )z = 28 z = 28 : ( 8/3 ) = 21/2 = 10,5 m = 10,5 n = 2/3 • 21/2 = 42/6 = 7