\(B=\frac{2+\sqrt{2}-\sqrt{3}-\sqrt{2.3}+\sqrt{2.4}+2}{2+\sqrt{2}-\sqrt{3}}\)
\(=\frac{2+\sqrt{2}-\sqrt{3}+\sqrt{2}\left(2+\sqrt{2}-\sqrt{3}\right)}{2+\sqrt{2}-\sqrt{3}}\)
=\(\frac{\left(2+\sqrt{2}-\sqrt{3}\right)\left(1+\sqrt{2}\right)}{2+\sqrt{2}-\sqrt{3}}\)
= \(1+\sqrt{2}\)