三峡国际投资公司待遇:Maths Queation

来源：百度文库 编辑：高考问答 时间：2024/05/09 10:11:59
已知k>-2，试化简
绝对值2k+1绝对值+绝对值2-k绝对值

-2<k<-1/2
=-2K-2+2-K=-3K
K>=-1/2
=2K+1+2-K=K+3

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