РЕШИТЕ УРАВНЕНИЕ 2/7X= 2 2/7 ,3/5y=2 9/10-1/5
2/7X= 2 2/7 x = 16/7 * 7/2 x = 8 3/5y=2 9/10-1/5 3/5y = 29/10 - 1/5 3/5y = (29 - 2)/10 3/5y = 27/10 y = 27/10 * 5/3 y = 9/2 = 4 1/2