| 根号2- 根号6 | +| (根号2-1)^2 | -| (根号6 - 3)^2 |
= ( 根号6- 根号2) + (根号2-1)^2 - (根号6 - 3)^2
= ( 根号6- 根号2) + (2+1-2号2) - (6+9-6根号6 )
= 根号6- 根号2 + 2+1-2根号2 - 6- 9 + 6根号6
= - 12 + 7根号6 - 2根号2
|√2-√6|+|(√2-1)^2|-|(√6-3)^2|
=√6-√2+(1-√2)^2-(√6-3)^2
=√6-√2+1+2-2√2-6-9+6√6
=7√6-3√2