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((3倍根号2)-1)(1+3倍的根号2)-((3根号2)-1)²
人气:325 ℃ 时间:2020-02-04 03:57:13
解答
((3倍根号2)-1)(1+3倍的根号2)-((3根号2)-1)²=(3√2)²-1²-[(3√2)²-2×3√2+1²]=18-1-(18-6√2+1)=6√2-2 泪笑为您解答,如若满意,请点击[采纳为满意回答];如若您有不...
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