Решить уравнения и вычислить значения.

1. 2 - 11 = -9; 2. 1 - 4/27 = 1 - 0.148 = 0.852; 3. 13 - 1/10 = 13 - 0.1 = 12.9; 4. 8 - 1/50 = 8 - 0.02 = 7.98; 5. 17 - 2/3 = 17 - 0.666 = 16.334; 6. 10 - 2/17 = 10 - 0.118 = 9.882; 7. 3 - 1/13 = 3 - 0.077 = 2.923; 8. 1 - 7/50 = 1 - 0.14 = 0.86.