1992+1998+1997+2003+2008+1999 用简便方法计算

来源：学生作业帮助网编辑：六六作业网时间：2024/11/22 20:54:32

1992+1998+1997+2003+2008+1999用简便方法计算1992+1998+1997+2003+2008+1999用简便方法计算1992+1998+1997+2003+2008+199

1992+1998+1997+2003+2008+1999 用简便方法计算
1992+1998+1997+2003+2008+1999 用简便方法计算

1992+1998+1997+2003+2008+1999 用简便方法计算
1992+1998+1997+2003+2008+1999
=2000-8+2000-2+2000-3+2000+3+2000+8+2000-1
=6*2000-8-2-3+3+8-1
=12000+8-8-3+3-1-2
=12000-3
=11997