Examples
https://www.youtube.com/watch?v=xopWqzUkpYY&list=PL2qtWkm0Z4ccFd5zTgddlqtjVKxVxk2sw
Exercise 1.1
https://www.youtube.com/watch?v=_OIZO9-tcm4&list=PL2qtWkm0Z4ceeqMOJSi_69YsqiQPxV2eW
Exercise 1.2
https://www.youtube.com/watch?v=NrZoRqPRBh4&list=PL2qtWkm0Z4cd7n9pGgiEGgyPAY5uAnxjh
Exercise 1.3
https://www.youtube.com/watch?v=WM5xoxLWsHY&list=PL2qtWkm0Z4ccFyIouqWnfIBMTlu_EIZaI
Exercise 1.4
https://www.youtube.com/watch?v=oDLL_q8Vt7A&list=PL2qtWkm0Z4cevleH2n--X3eu9FQ-EfGiu
Exercise 1.5
https://www.youtube.com/watch?v=QnzcvvpW1Y4&list=PL2qtWkm0Z4cdgs8w_nydqy9L6p_EB0Oxn
Exercise 1.6
https://www.youtube.com/watch?v=g0OSJGkXdq0&list=PL2qtWkm0Z4cfj3IWO1OKhTyQpb6LAwn_W
Exercise 1.7
https://www.youtube.com/watch?v=H76J-PWuxOo&list=PL2qtWkm0Z4cfqz0lC__I0tk54D8_2bgOd
Exercise 1.8
https://www.youtube.com/watch?v=oPUjgKvRX20&list=PL2qtWkm0Z4cdg6iy-Aj944A1PlaDYzwZ8
https://www.youtube.com/watch?v=xopWqzUkpYY&list=PL2qtWkm0Z4ccFd5zTgddlqtjVKxVxk2sw
Exercise 1.1
https://www.youtube.com/watch?v=_OIZO9-tcm4&list=PL2qtWkm0Z4ceeqMOJSi_69YsqiQPxV2eW
Exercise 1.2
https://www.youtube.com/watch?v=NrZoRqPRBh4&list=PL2qtWkm0Z4cd7n9pGgiEGgyPAY5uAnxjh
Exercise 1.3
https://www.youtube.com/watch?v=WM5xoxLWsHY&list=PL2qtWkm0Z4ccFyIouqWnfIBMTlu_EIZaI
Exercise 1.4
https://www.youtube.com/watch?v=oDLL_q8Vt7A&list=PL2qtWkm0Z4cevleH2n--X3eu9FQ-EfGiu
Exercise 1.5
https://www.youtube.com/watch?v=QnzcvvpW1Y4&list=PL2qtWkm0Z4cdgs8w_nydqy9L6p_EB0Oxn
Exercise 1.6
https://www.youtube.com/watch?v=g0OSJGkXdq0&list=PL2qtWkm0Z4cfj3IWO1OKhTyQpb6LAwn_W
Exercise 1.7
https://www.youtube.com/watch?v=H76J-PWuxOo&list=PL2qtWkm0Z4cfqz0lC__I0tk54D8_2bgOd
Exercise 1.8
https://www.youtube.com/watch?v=oPUjgKvRX20&list=PL2qtWkm0Z4cdg6iy-Aj944A1PlaDYzwZ8