试题与答案

分解因式:(x+3)2-(x+3)=( )。

题型:填空题

题目:

分解因式:(x+3)2-(x+3)=(    )。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E解析:舌体周围有丰富的淋巴结引流,舌癌位于区域淋巴结很近,所以较易早期发生区域淋巴结转移。

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题型:填空题

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