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如图,在\(Rt\triangle ABC\)中,\(\angle A = 90^\circ \),\(CM\)平分\(\angle ACB\)交\(AB\)于点\(M\),过点\(M\)作\(MN//BC\)交\(AC\)于点\(N\),且\(MN\)平分\(\angle AMC\),若\(AN = 2\),则\(BC\)的长为 ___。
参考答案:12
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