Do my best (圖)
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Jinjing
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2010-03-29 12:47:51
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My major is not prob.,but I can say something.First,we get 13m+i(i= 0,1,2,...12) the prob.is the same(big n). Why:4-times the number the numbers increse expect vanue is to 13m+i+14=13(m+1)+i+1.So...,n times later,we get 3m+0 is 1/13