Question

Giúp em đi ạ. Em cần gấp lắm

Answer 1

\(=\dfrac{\sqrt{6}\left(\sqrt{2}-\sqrt{3}\right)}{\sqrt{2}-\sqrt{3}}-2-2\sqrt{6}+\sqrt{6}-1\)

\(=\sqrt{6}-\sqrt{6}-3\)

=-3