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program Punteros;
uses crt;
var
x,y,z:^integer;
a,b,c:^char;
d,e:char;
begin
clrscr;
gotoxy(30,2);
write('USO DE PUNTEROS');
new(a);
gotoxy(3,4);
write('Ingrese el dato que desea: ');
read(a^);
d:=pred(a^);
e:=pred(d);
gotoxy(3,6);
writeln(d,' ',e);
new(x);
x^:=80;
new(y);
y^:=-30;
new(z);
z^:=25;
gotoxy(3,8);
x^:=y^;
write(x^,' ',y^);
if y^=z^ then
begin

2. writeln('SI');
end
else
writeln('NO');
readkey;
end.
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