Ответ:https://frillycarelessdatamining.crosser23.repl.run/
Объяснение:
Program xxx;
uses CRT;
var
a, i:integer;
begin
readln(a);
while (a<>0) do
begin
write(a mod 10);
a := a div 10;
end;
<span>end.</span>
Var
x, a, s: real;
n, i: integer;
begin
write('Введите x и n ');
readln(x, n);
a := 1;
s := a;
for i := 1 to n do
begin
a := a * (-1) * x * x / (2 * i - 1) / (2 * i);
s := s + a;
end;
writeln('S = ', s:10:3);
end.