1 | 2 | 3 | 4 | 8 | 9 | | 11 | 12 | 13 |

6

  1. -1
  2. 1
  3. 1
  4. 1
  5. 1
  6. 1 + 1
  7. 1 2

1. ( 1-7) , 1.

1.

2. , , , (. 2).

2.

3.




5 | 7
© um.co.ua -