program zadacha1;
var x, y, k, h:Real;
Begin
write('x=');Read(x);
h:=exp(3*ln(x));
k:=exp(5*ln(x));
y:=x-h/3+k/5;
Writeln('y=',y);
end.
Program zadacha2;
var x, y, h:Real;
Begin
write('x=');Read(x);
Write('y=');Read(x);
h:=sqr(1/2)-cos(x)+sin(2*x*y);
writeln('h=',h);
end.
Program zadacha4;
var x, y, h:real;
begin
write('x=');Read(x);
h:=abs(exp(4*ln(x))-exp(5*ln(x)));
y:=x- 10*sin(x)+h;
write ('y=',y);
end.