Логическая функция F задается выражением ¬w ∧ z ∧ (y →x)

program first; var i,a,b: integer; begin  cls;   read(a,b,i);   if a< 0 then write(sqr(a));

  if b< 0 then write(sqr(b));

  if i< 0 then write(sqr(i))end.

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program mdd; uses crt; var a,b,c,d: longint; beginclrscr; readln(a,b,c,d); if (a> b) and (a> c) and (a> d) and (d< a) and (d< c) and (d< b) then writeln('правда')else writeln(''неправда); readkey; end.

var

i: integer;

a: array[1..20] of integer;

function fn(x: integer): integer;

begin

if x mod 10 = 4 then fn: =x div 2

else fn: =x;

end;

begin

for i: =1 to 20 do

readln(a[i]);

for i: =1 to 20 do

begin

a[i]: =fn(a[i]);

writeln(a[i]);

end;

end.