8/21/2019 ER Licao 10

http://slidepdf.com/reader/full/er-licao-10 1/6

8/21/2019 ER Licao 10

http://slidepdf.com/reader/full/er-licao-10 2/6

8/21/2019 ER Licao 10

http://slidepdf.com/reader/full/er-licao-10 3/6

8/21/2019 ER Licao 10

http://slidepdf.com/reader/full/er-licao-10 4/6

8/21/2019 ER Licao 10

http://slidepdf.com/reader/full/er-licao-10 5/6

8/21/2019 ER Licao 10

http://slidepdf.com/reader/full/er-licao-10 6/6