1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………

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1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………1/2(√3+1)

1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………
1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?
过程…………

1/2(√3+1)²-(3√2-2√3)(3√2+2√3)怎么算?过程…………
1/2(√3+1)²-(3√2-2√3)(3√2+2√3)
=1/2(3+2√3+1)-(18-12)
=1/2(4+2√3)-6
=2+√3-6
=√3-4