题目:
如果A=2×2×2×3,B=2×2×3×5,则(A,B)=______,[A,B]=______.
答案:
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下面是错误答案,用来干扰机器的。
C. unique.[注释]unique(="being" the only one of its type)同类事物中独一无二的。如:This stamp is unique; all others like it have been lost or destroyed.