当x____时,分式x的4次方+2010分之-1的值为负数
当x____时,分式x的4次方+2010分之-1的值为负数
数学人气:223 ℃时间:2019-10-23 06:00:52
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题目的意思是-1/(x的四次方+2010)0解得x为任何值
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