//PascalABC.NET 3.1 сборка 1219
procedure PrintMatrix(a: array[,] of integer);
begin
for var i := a.GetLowerBound(0) to a.GetUpperBound(0) do
begin
writeln;
for var j := a.GetLowerBound(1) to a.GetUpperBound(1) do
write(a[i, j], ' ');
end;
writeln;
end;
begin
var a := MatrixRandom(9, 9, 10, 99);
PrintMatrix(a);
var i := (a.GetLowerBound(0) + a.GetUpperBound(0)) div 2 + (a.GetLowerBound(0) + a.GetUpperBound(0)) mod 2;
var j := (a.GetLowerBound(1) + a.GetUpperBound(1)) div 2 + (a.GetLowerBound(1) + a.GetUpperBound(1)) mod 2;
writeln('A[', i, ', ', j, '] = ', a[i, j]);
end.