计算,计算:(√3+2)²-2(√3-1)(√3+1)
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计算,计算:(√3+2)²-2(√3-1)(√3+1)
计算,
计算:(√3+2)²-2(√3-1)(√3+1)
计算,计算:(√3+2)²-2(√3-1)(√3+1)
(√3+2)²-2(√3-1)(√3+1)
=3+4√2+4-2(3-1)
=7+4√2-4
=3+4√2