1
учим мат. часть тут
http://www.webmath.ru/poleznoe/tables_istinnosti.php
Const
handsfree = true;
var
a: array[1..100] of real;
i, n: integer;
begin
{ввод массива}
if handsfree then
n := random(20) + 5
else begin
write('n = ');
readln(n);
end;
writeln('Данные массива:');
for i := 1 to n do
begin
if handsfree then begin
a[i] := random(100) - 50;
write(a[i]:3, ' ');
end
else readln(a[i]);
end;
writeln();
{изменение элементов}
for i := 1 to n do
begin
if a[i] < 0 then
a[i] := abs(a[i]);
write(a[i]:3, ' ');
end;
end.
1000111001(2)=569(10)=1071(8)=239(16), 1517(10)=10111101101(2)=2755(8)=5ED(16), 11123(8)=4691(10)=1001001010<span>011(2)</span>
Var
i,m,sum:Integer;
Begin
for i:=10 to 99 do
begin
m:=i mod 10;
n:=i div 10;
sum:=m+n;
if (i mod sum = 0) then Writeln(i);
end;
end.