化简:根号x^2+2x+1 +绝对值x(x

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化简:根号x^2+2x+1 +绝对值x(x
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化简:根号x^2+2x+1 +绝对值x(x
化简:根号x^2+2x+1 +绝对值x(x

化简:根号x^2+2x+1 +绝对值x(x
√(x^2+2x+1)=√(x+1)^2=|x+1|
∵x