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点\(M\)在圆\({x}^{2}+{y}^{2}=2\)上,点\(N\)在直线\(l:y=x-3\)上,则\(|MN|\)的最小值是( )
A.\(\sqrt {2}\)
B.\(\frac {\sqrt {2}} {2}\)
C.\(\frac {3\sqrt {2}} {2}\)
D.1
参考答案:B
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