Respostas

2013-10-25T15:01:36-02:00
AP=PB
P-A=B-P
P+P= B+A
2P= 4,5 -2+ 2,-3 1
2P= 6,2,-1
p= 6/2, 2/2,-1/2
p=3,1,-1/2
10 4 10