1992+1994+1996+1998+2000+2002+2004+2006+2008=_.
问题描述:
1992+1994+1996+1998+2000+2002+2004+2006+2008=______.
答
(1992+2008)+(1994+2006)+(1996+2004)+(1998+2002)+2000
=4000+4000+4000+4000+2000
=2000×9
=18000.
故答案为:18000.