Mathematics Tutorial 1,2,3,4

Tut 1
https://drive.google.com/file/d/0BxZLLe3YK34xaS1ISy12aTZtYUE/edit?usp=sharing

Tut 2
https://drive.google.com/file/d/0BxZLLe3YK34xUzFiTkZnNkRtRlE/edit?usp=sharing

Tut 3
https://drive.google.com/file/d/0BxZLLe3YK34xdU9rbVhiNGRENUk/edit?usp=sharing

Tut 4
https://drive.google.com/file/d/0BxZLLe3YK34xSEhqa2lEQWpfQzg/edit?usp=sharing