\[\boxed{\mathbf{554\ (554).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ \left( 3\sqrt{2} + 1 \right)\left( \sqrt{8} - 2 \right) =\]
\[= 3\sqrt{16} - 6\sqrt{2} + \sqrt{8} - 2 =\]
\[= 12 - 6\sqrt{2} + 2\sqrt{2} - 2 =\]
\[= 10 - 4\sqrt{2};\]
\[2)\ \left( 3 - 2\sqrt{7} \right)^{2} + \left( 3 + 2\sqrt{7} \right)^{2} =\]
\[= 74;\]
\[3)\ \left( 10 - 4\sqrt{6} \right)\left( 2 + \sqrt{6} \right)^{2} =\]
\[= \left( 10 - 4\sqrt{6} \right)\left( 10 + 4\sqrt{6} \right) =\]
\[= 100 - 96 = 4\]
\[4)\ \left( \sqrt{9 - 4\sqrt{2}} + \sqrt{9 + 4\sqrt{2}} \right)^{2} =\]
\[= 18 + 7 \cdot 2 = 18 + 14 = 32.\]