Решите пожалуйста!!!: 5/17 * 3 + 13 1/2
5/17• 3+ 13 1/2= (5•3)/17+ 13 1/2= 15/17+ 13 1/2= (15•2)/(17•2) + 13 (1•17)/(2•17)= 30/34+ 13 17/34= 13 (30+17)/34= 13 47/34= 14 13/34
5/17 • 3 + 13 1/2 = 15/17 + 27/2 = 30/34 + 459/34 = 489/34 = 14 13/34