var ancestorid_143005='142764'; var isauth_143005='0'; var istop_143005='0'; var iselite_143005='0'; var iscommend_143005='0'; var islock_143005='0'; var title_143005='Re:数字推理'; var body_143005='我弄的麻烦啊,1的2次方*0*2
              2的2次方*1*2
              3的2次方*3*2
              4的2次方*6*2
              5的2次方*10*2
就这么想出来的,跟大家一比,差的太远了,俺投井去了
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