Вычислить значение выражения

1.
(2*cos(x-pi/6))/(1/2+sqr(sin(y)));
1+(sqr(z)/(3+sqr(z)/5);
2.
ABS*((exp(ln(x)*y)/x)-(exp(1/3*ln(y/x)));
(y-x)*((y-z/(y-x))/(1+sqr((y-x))))
3. не знаю с факториалами)
x*(sin(x*sqr(x))+sqr(cos(y)));
4.
exp(-1*b*t)*sin(a*t+b)-sqrt(ABS(b*t+a));
b*sin(a*sqr(t)*cos(2*t))-1;
5.
sqrt(sqr(x)+b)-sqr(b)*(sin*sin*sin(x+a)/x);
sqr(cos(sqr(x)*x))-x/sqrt(sqr(a)+sqr(b));
6.
sqr(x)*x*sqr(sin(x)/cos(x))*(sqr(x+b))+a/sqrt(x+b);
(b*sqr(x)-a)/(exp(a*x)-1);
7.
sqr(x)*(x+1)/b-sqr(sin(x+a));
sqrt((x*b)/a)+sqr(cos(sqr(x+b)));
8.
sin*sqr(sin(sqr((sqr(x)+a))-sqrt(x/b);
sqr(x)/a+cos(sqr(x+b)*(x+b));
9.
exp(1/3*ln(m*c*t*b+ABS(c*sin(t));
m*cos(b*t*sin(t))+c;
10.
a*b*sqr(x)-a/(sqr(sin((x/a))));
a*exp(-1*sqrt(a))*cos((b*x)/a);
11.
ln(a+sqr(x))+sqr(sin(x/b));
exp(-1*c*x)*((x+sqrt(x+a))/(x-sqrt(ABS(x-b)));
12.
(exp(2*x*ln(a))+exp(-1*x*ln(b))*cos(a+b)*x)/(x+1);
sqrt(sqr(x)+b)-sqr(b)*(sqr(sin)*sin(x+a))/x;
13.
sqrt(a*x*sin*2*x+exp(-2*x)/(x+b));
sqr(cos)*cos*sqr(x)*x-x/sqrt(sqr(a)+sqr(b));
14.
(sqr(a)*x+exp(-1*x)*cos(b)*x)/(b*x-exp(-1*x)*sin(b)*x+1;
exp(2*x)*ln(a+x)-exp(3*x*ln(b))*ln(b-x);
15.
(sin(x)/(sqrt(sqr(m)+sqr(sin(x)))-(c*m*ln(m*x));
exp(-1*a*x)*sqrt(x+1)+exp(-1*b*x)*sqrt(x+1,5);

function Factorial(n: integer): integer;
var
 i, pr: integer;
begin
 pr:=1;
  for i:=1 to n do 
   pr:=pr*i;
 factorial:=pr;
end;

function fact(x:byte):real;
begin
if x=0 then fact:=1
else fact:=fact(x-1)*x;
end;
 
function power(x,pow:integer):integer; 
var res: integer;
begin
res := 1;
while (pow > 0) do
begin
if (pow and 1 = 1) then res := res * x;
x := x + x;
pow := pow shr 1;
end;
power := res;
end;
 
1.
(2*cos(x-pi/6))/(1/2+sqr(sin(y)));
1+(sqr(z)/(3+sqr(z)/5);
 
2.
ABS((exp(ln(x)*y)/x)-(exp(1/3*ln(y/x)));
(y-x)*((y-z/(y-x))/(1+sqr((y-x))))
 
3.
1+x+sqr(x)/fact(2)+power(x, 3)/fact(3)+power(x, 4)/fact(4);
x*(sin(x*sqr(x))+sqr(cos(y)));
 
4.
exp(-1*b*t)*sin(a*t+b)-sqrt(ABS(b*t+a));
b*sin(a*sqr(t)*cos(2*t))-1;
 
5.
sqrt(sqr(x)+b)-sqr(b)*(power(sin(x+a), 3)/x);
sqr(cos(sqr(x)*x))-x/sqrt(sqr(a)+sqr(b));
 
6.
sqr(x)*x*sqr(sin(sqr(x+b))/cos(sqr(x+b)))+a/sqrt(x+b);
(b*sqr(x)-a)/(exp(a*x)-1);
 
7.
sqr(x)*(x+1)/b-sqr(sin(x+a));
sqrt((x*b)/a)+sqr(cos(sqr(x+b)));
 
8.
power(sin(sqr((sqr(x)+a))),3)-sqrt(x/b);
sqr(x)/a+cos(sqr(x+b)*(x+b));
 
9.
exp(1/3*ln(m*c*t*b+ABS(c*sin(t));
m*cos(b*t*sin(t))+c;
 
10.
a*b*sqr(x)-a/sqr(sin(x/a));
a*exp(-1*sqrt(a))*cos(b*x/a);
 
11.
ln(a+sqr(x))+sqr(sin(x/b));
exp(-1*c*x)*((x+sqrt(x+a))/(x-sqrt(ABS(x-b)));
 
12.
(exp(2*x*ln(a))+exp(-1*x*ln(b))*cos(a+b)*x)/(x+1);
sqrt(sqr(x)+b)-sqr(b)*power(sin(x+a), 3)/x;
 
13.
sqrt(a*x*sin(2*x)+exp(-2*x)/(x+b));
sqr(cos(sqr(x)*x))-x/sqrt(sqr(a)+sqr(b));
 
14.
(sqr(a)*x+exp(-1*x)*cos(b*x))/(b*x-exp(-1*x)*sin(b*x)+1);
exp(2*x)*ln(a+x)-exp(3*x*ln(b))*ln(b-x);
 
15.
(sin(x)/(sqrt(sqr(m)+sqr(sin(x)))-(c*m*ln(m*x));
exp(-1*a*x)*sqrt(x+1)+exp(-1*b*x)*sqrt(x+1,5);