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标题: GWD-3-6 [打印本页]

作者: shefff    时间: 2010-7-9 11:01     标题: GWD-3-6

Q6:
If x and k are integers and (12^x)(4^2x+1) = (2^k)(3^2), what is the value of k?

A.5
B.7
C.10
D.12
E.14

这题的答案是E~不过我是一个一个慢慢算的....想问问有没有别的算法?




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