SOLUTION FOR EXERCISE 2.2
SOLUTION FOR EXERCISE 2.3
SOLUTION FOR EXERCISE 2.4
SOLUTION FOR EXERCISE 2.5
SOLUTION FOR EXERCISE 2.6
SOLUTION FOR EXERCISE 2.7
SOLUTION FOR EXERCISE 2.8
SOLUTION FOR EXERCISE 2.9
SOLUTION FOR REVISION EXERCISE
SOLUTION FOR QUICK CHECK 2.1
SOLUTION FOR QUICK CHECK 2.2
SOLUTION FOR QUICK CHECK 2.3
