Чему равна разность чисел 124(8) и 52(16)

var

i,j,k: integer;

a,b,c: array [1..30] of integer;

begin

randomize;

j: =0;

k: =0;

for i: =1 to 30 do

begin

a[i]: =random(80)-30;

if a[i] mod 2 =0 then

begin

j: =j+1;

b[j]: =a[i]

end

end;

for i: =30 downto 1 do

if a[i]< 0 then

begin

k: =k+1;

c[k]: =a[i];

end;

for i: =1 to j do

writeln(b[i]);

for i: =1 to k do

writeln(c[i]);

end.

(12-3): (4+5)=1

1х2х3-4+5-6=1

(12: 3+4+5): (6+7)=1

(1+2-3+4+5+6-7): 8=1