Exercise 3.1
Exercise 3.2
Exercise 3.3
Commentary on Ex 3.1
Exercise 3.4
Exercise 3.5
Exercise 3.6
Exercise 3.7 - 3.11
Exercise 3.12
Exercise 3.12
Exercise 3.13 MY HEAD. :(
Exercise 3.14
Exercise 3.15
Exercise 3.16
Exercise 3.17
Exercise 3.18
Exercise 3.19
Exercise 3.20
Exercise 3.21
Exercise 3.22