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JJ求解答。。。
2. N is perfect square, means N=m2, which following number is least biggest perfect square of N
a) N2 b) N+2N^(1/2) c) N+2^(1/2)+1 d).. 选c
后面部分，least biggest perfect square of N
怎么理解啊？至少是N的最大完全平方？？ |
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