2008x(1-1/2)x(1-1/3)x…x(1-1/2008)今天结束,
问题描述:
2008x(1-1/2)x(1-1/3)x…x(1-1/2008)今天结束,
答
=2008X1/2X2/3X3/4X...X2006/2007X2007/2008=2008X1/2008=1
2008x(1-1/2)x(1-1/3)x…x(1-1/2008)今天结束,
=2008X1/2X2/3X3/4X...X2006/2007X2007/2008=2008X1/2008=1