Bài 2:
a: \(=3\left(\sqrt{6}-1\right)+4+2\sqrt{6}-12-4\sqrt{6}-\sqrt{6}\)
\(=3\sqrt{6}-3-8-3\sqrt{6}=-11\)
b: \(=\sqrt{3}+1+\sqrt{3}-1=2\sqrt{3}\)
c: \(=\sqrt{6}-1-\sqrt{6}-1=-2\)
d: \(=2\sqrt{5}-\sqrt{5}+1=\sqrt{5}+1\)
e: \(=\sqrt{7}+1-\sqrt{7}=1\)
f: \(=\sqrt{13}-1+\sqrt{13}+1=2\sqrt{13}\)
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