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数学
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(π-2012)0次方-根号8-1-根号2的绝对值 注意是1-根号2的绝对值
(π-2012)º-√8-|1-√2|
人气:479 ℃ 时间:2019-08-19 10:19:31
解答
(π-2012)º-√8-|1-√2|
=1-2√2-(√2-1)
=1-2√2-√2+1
=2-3√2
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