2009/2008x2008/2007x2007/2006x......x3/2x2/1
????????
Please help !!!
抵死數學題 急！20點！
2012-08-28 7:07 am
回答 (2)
2012-08-28 9:50 am
✔ 最佳答案
應該係20092009/2008x2008/2007=2009/2007
2009/2007x2007/2006=2009/2006
.
.
.
=2009/1
=2009
or
3/2x2/1=3
3x4/3=4
4x5/4=5
.
.
.
=2008x2009/2008
=2009
2012-08-28 7:10 pm
約簡。分母分子相同可以約簡，最後無得約嘅得返2009/1=2009
收錄日期: 2021-04-13 18:56:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120827000051KK00979