5.若sin|x|=sin(—x),则x的取值范围是.
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5.若sin|x|=sin(—x),则x的取值范围是.
5.若sin|x|=sin(—x),则x的取值范围是.
5.若sin|x|=sin(—x),则x的取值范围是.
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5.若sin|x|=sin(—x),则x的取值范围是.
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