Ответы и объяснения

2013-10-22T08:31:45+00:00
2013-10-22T08:35:54+00:00
1) 707
2) 
A[1,1] => 0
A[1,2] => 3
A[1,3] => 4
A[2,1] => 1
A[2,2] => 0
A[2,3] => 5
A[3,1] => 2
A[3,2] => 1
A[3,3] => 0

Pascal так сказал =)