PascalABC.NET
begin
var t, k, m, l, x, y, n: double;
Read(t, k, m, l, x, y, n);
var z := Sqr((t * t - k * k) / (Sqr(Sqr(m)) - l * Sqr(Sqr(l +
Sqrt(Abs((Sqrt(x) + y) / (n - Abs(x)) + 4));
Println(z)
end.
PascalABC.NET
begin
var t, k, m, l, x, y, n: double;
Read(t, k, m, l, x, y, n);
var z := Sqr((t * t - k * k) / (Sqr(Sqr(m)) - l * Sqr(Sqr(l +
Sqrt(Abs((Sqrt(x) + y) / (n - Abs(x)) + 4));
Println(z)
end.