Var a: array [1..3, 1..10] of integer;
i, m, j: integer;
begin
for i := 1 to 3 do
for j := 1 to 10 do
begin
if (i = 1) then a[i, j] := j;
if (i = 2) then a[i, j] := 5 * j;
if (i = 3) then a[i, j] := 25 * j;
writeln('[', i, ', ', j, '] => ', a[i, j]);
end;
end.
Удачи)