Respostas

2014-08-26T19:38:30-03:00
[4....3].....[x11...x12]....[3...5]
A=[...]...x=[....]...a+x=[....]
[6....5].....[x21.....x22]...[-2....10]
x=11=-1
x12=2
x21=-8
x22=5
...[-1...2]
resposta x=[....]
....[-8....5]