Var
a: array [1..7, 1..8] of integer;
i, j: byte;
begin
Randomize;
writeln('***Массив***');
for i:=1 to 7 do
begin
for j:=1 to 8 do
begin
a[i,j]:= Random(91)-20;
write(a[i, j]:5);
end;
writeln;
end;
writeln;
writeln('***Элементы четных столбцов***');
j:=2;
while j<=8 do <br>begin
write('Столбец ', j, ': ');
for i:=1 to 7 do write(a[i, j]:5);
j:=j+2;
writeln;
end;
end.