Exersice 2.1
Exersice 2.2
Exersice 2.3
Exersice 2.4
Exersice 2.5
Exersice 2.6
Exersice 2.7
Exercise 2.8

Exersice 3.1
Exercise 3.2
Exersice 3.3
Exersice 3.4
Exersice 3.5

Exersice 4.1
Exersice 4.2
Exersice 4.3
Exersice 4.4
Exercise 4.5 Exercise 4.6 Exercise 4.7 Exercise 4.8 Exercise 4.9 Exercise 4.10

Exersice 5.1
Exersice 5.2
Exersice 5.3
Exersice 5.4

Exersice 6.1
Exersice 6.2
Exersice 6.3
Exersice 6.4
Exersice 6.5
Exersice 6.6
Exersice 6.7
Exersice 6.8
Exersice 6.9
Exersice 6.10
Exersice 6.11

Exersice 7.1
Exersice 7.2
Exersice 7.3
Exersice 7.4
Exersice 7.5
Exersice 7.6
Exersice 7.7
Exersice 7.8

Exersice 8.1
Exersice 8.2
Exersice 8.3

Exersice 9.1
Exersice 9.2
Exersice 9.3
Exersice 9.4

Exersice 10.1
Exersice 10.2
Exersice 10.3
Exersice 10.4

Exersice 11.1
Exersice 11.2

Exersice 12.1
Exersice 12.2
Exersice 12.3
Exersice 12.4
Exersice 12.5
Exersice 12.6
Exersice 12.7
Exersice 12.8

Exersice 13.1
Exersice 13.2

Exersice 14