计算(1/2012-1)*(1/2011-1)*(1/2010-1)*(1/2009-1)*(1/2008-1)*.(1/2001-1)*(1/2000-1)
题目
计算(1/2012-1)*(1/2011-1)*(1/2010-1)*(1/2009-1)*(1/2008-1)*.(1/2001-1)*(1/2000-1)
答案
(1/2012-1)*(1/2011-1)*(1/2010-1)*(1/2009-1)*(1/2008-1)*.(1/2001-1)*(1/2000-1)
=(-2011/2012)(-2010/2011)*(-2009/2010)...(-2000/2001)(-1999/2000)
=1999/2012
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点