1.prove that (1/√2n+1) > 1．3．5....(2n-1)/2．4．6.....(2n) > (√n+1/2n+1)
2.For any natural number n>7,prove that n=3p+5q for some non-negative
intergers p and q
Two question about m.i.
2010-08-27 11:04 pm
回答 (1)
2010-08-28 6:06 am
✔ 最佳答案
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2010-08-27 22:06:21 補充：
http://img834.imageshack.us/img834/6615/30154822.png
http://img837.imageshack.us/img837/1197/36712565.png
收錄日期: 2021-04-23 23:22:25
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