1.Prove by MI, if n is a positive integer, then N=n^5/5+n^4/2+n^3/3-n/30 is also a positive integer.
THX
A.Math MI
2008-10-30 4:05 am
回答 (1)
2008-10-30 4:26 am
✔ 最佳答案
Explanation as follows:圖片參考：http://i238.photobucket.com/albums/ff245/chocolate328154/Maths537.jpg?t=1225283126
參考: My Maths Knowledge
收錄日期: 2021-04-19 12:44:03
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https://hk.answers.yahoo.com/question/index?qid=20081029000051KK01317