X : 7 ( 3/7 ) = 16 ( 1/2 ) X = 16 ( 1/2 ) * 7 ( 3/7 ) X = 33/2 * 52/7 X = 858 / 7 X = 122 ( 4/7 )
Х\52\7 =33\2 х*1=33\2*52\7=858\7 Ответ------(х=858\7)
проверено!