Номер 568 1000000баллов

1) (x - 3 9/ 13) + 5 10/13 = 12 4/13 (x - 27/13) + 50/13 = 48/13 x - 27/13 + 50/13 = 48/13 x + 23/13 = 48/13 x = 48/13 - 23/13 x = 25/13 Ответ: 25/13 2) (3 9/16 - y) + 4 9/16 = 5 7/16 (27/16 - y) + 9/4 = 35/16 27/16 - y + 9/4 = 35/16 63/16 - y = 35/16 - y = 35/16 - 63/16 - y = - 7/4 /: (-1) y = 7/4 Ответ: 7/4 3) 13 16/27 + (x - 2 17/27) = 30 5/27 208/27 + (x - 34/27) = 10* 5/9 208/27 + x - 34/27 = 50/9 58/9 + x = 50/9 x = 50/9 - 58/9 x = - 8/9 Ответ: - 8/9 4) (y - 2 4/25) + 4 7/25 = 14 6/25 (y - 8/25) + 28/25 = 84/25 y - 8/25 + 28/25 = 84/25 y + 4/5 = 84/25 y = 84/25 - 4/5 y = 64/25 Ответ: 64/25