[ 2 .8 ]
[ 2 .8.1 ]
[ 2 .8.2 ]
[ 2 .8.3 ]
[ 2 .9 ]
[ 2 .9.1 ]
[ 2 .9.2 ]
[ 2 .9.3 ]
SOLUCIÓN DE PROBLEMAS
[ 3 .1 ]
[ 3 .2 ]
[ 3 .3 ]
[ 4 .1 ]
[ 4 .1.1 ]
[ 4 .1.2 ]
[ 4 .2 ]
[ 4 .2.1 ]
[ 4 .2.2 ]
[ 4 .2.3 ]
[ 4 .3 ]
[ 5 .1 ]
[ 5 .1.1 ]
[ 5 .1.2 ]
[ 6 .1 ]
[ 6 .2 ]
[ 6 .3 ]
28
28
28
29
30
30
30
31
3 2
3
32
33
34
36
4
36
36
36
37
37
38
38
39
40
5
40
40
42
44
6
44
45
46