-2^2*根号8+3根号2(3-2根号2)-(根号2-1)

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-2^2*根号8+3根号2(3-2根号2)-(根号2-1)
x)53z`ej$铨CΆthd-F01C2 b$ف|b

-2^2*根号8+3根号2(3-2根号2)-(根号2-1)
-2^2*根号8+3根号2(3-2根号2)-(根号2-1)

-2^2*根号8+3根号2(3-2根号2)-(根号2-1)
-2^2*根号8+3根号2(3-2根号2)-(根号2-1)
=-4*2根号2+9根号2-12-根号2+1
=-8根号2+9根号2-12-根号2+1
=-11