(2005+1/2003)乘1/2004=(2004+ )=1/2004
问题描述:
(2005+1/2003)乘1/2004=(2004+ )=1/2004
=(2004+多少)=1/2004
答
(2005+1/2003)×1/2004
=(2004+2004/2003)×1/2004
=2004×1/2004+2004/2003×1/2004
=1+1/2003
=1又1/2003