回複:You can read "BOROTHER' 1/4 answer,but

來源: 2011-01-09 15:56:51 [舊帖] [給我悄悄話] 本文已被閱讀:

3+2*sqrt(2) can also be such kind of integer. {3 + 2*sqrt(2)} ^n also is infinitely approaching close to SOME interger alternatively from both sides when n is big enough. e.g "consecutively" in the form like 35.000009, 46.99994, 76.000007, 98.999993, ...