ajutatima va rog urgent

4. F
-------------------
read(n);
readln(a);
writeln(b1, b2, b3);
X := 1;
_------------------------
v*t=(a*sqr(t))/(2*b)
(sqr(a)*a)+(2/(a*b))+(sqr(b)*b)
(A+(B+C)+D)/(2*A-3*C)