2008-(2008/2009)怎样简便运算?
问题描述:
2008-(2008/2009)怎样简便运算?
答
2008-(2008/2009)
=2007+1-2008/2009
=2007+2009/2009-2008/2009
=2007+1/2009
=2007又2009分之1