(6-3√2)²-(√5-√6)(√6+√5),

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(6-3√2)²-(√5-√6)(√6+√5),(6-3√2)²-(√5-√6)(√6+√5),(6-3√2)²-(√5-√6)(√6+√5),等于55-36√2第一个直

(6-3√2)²-(√5-√6)(√6+√5),
(6-3√2)²-(√5-√6)(√6+√5),

(6-3√2)²-(√5-√6)(√6+√5),
等于55-36√2
第一个直接先开出来,(√5-√6)(√6+√5)用平方差公式得36+18-36√2-(5-6)=55-36√2