SOLUCIÓN :
ALTERNATlVA A
,
3 . 5
A= 0 . 8 5
o
8
ALTERNATIVA B
A =
1'. 5
O
1
2
3
4
FIGURA 3 . 2.
99
1...,89,90,91,92,93,94,95,96,97,98 100,101,102,103,104,105,106,107,108,109,...213