Вычислите:6)16 3/13-6 8/13 7)13 4/9-2 8/9 8)10 7/16-4 12/16

6)16 3\\ 13 - 6 8\\ 13 = 10 + 3\\ 13 - 8\\ 13 = 10 + 3 - 8\\ 13 = 10 - 5\\ 13 = 10·13\\ 13 - 5\\ 13 = 125 \\13 = 8 + 9·13\\ 13 = 9 8 \\13 7)13 4\\ 9 - 2 8\\ 9 = 11 + 4\\ 9 - 8\\ 9 = 11 + 4 - 8\\ 9 = 11 - 4 \\9 = 11·9\\ 9 - 4 \\9 = 95\\ 9 = 5 + 10·9\\ 9 = 10 5\\ 9 8)10 7\\ 16 - 4 12 \\16 = 6 + 7\\ 16 - 12 \\16 = 6 + 7 - 12 \\16 = 6 - 5\\ 16 = 6·16\\ 16 - 5 \\16 = 91 \\16 = 11 + 5·16\\ 16 = 5 11 \\16