8/10/2019 Practica 07A

1/5

+ 3

8/10/2019 Practica 07A

2/5

8/10/2019 Practica 07A

3/5

8/10/2019 Practica 07A

4/5

||

8/10/2019 Practica 07A

5/5

( )

[

]