1+2+(-3)+(-4)+5+6+(-7)+(-8)+…+2001+2002+(-2003)+(-2004)+2005+2006+(-2007)+(-2008)=
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 02:28:40
![1+2+(-3)+(-4)+5+6+(-7)+(-8)+…+2001+2002+(-2003)+(-2004)+2005+2006+(-2007)+(-2008)=](/uploads/image/z/241990-70-0.jpg?t=1%2B2%2B%EF%BC%88-3%EF%BC%89%2B%EF%BC%88-4%EF%BC%89%2B5%2B6%2B%EF%BC%88-7%EF%BC%89%2B%EF%BC%88-8%EF%BC%89%2B%E2%80%A6%2B2001%2B2002%2B%EF%BC%88-2003%EF%BC%89%2B%EF%BC%88-2004%EF%BC%89%2B2005%2B2006%2B%EF%BC%88-2007%EF%BC%89%2B%EF%BC%88-2008%EF%BC%89%3D)
1+2+(-3)+(-4)+5+6+(-7)+(-8)+…+2001+2002+(-2003)+(-2004)+2005+2006+(-2007)+(-2008)=
1+2+(-3)+(-4)+5+6+(-7)+(-8)+…+2001+2002+(-2003)+(-2004)+2005+2006+(-2007)+(-2008)=
1+2+(-3)+(-4)+5+6+(-7)+(-8)+…+2001+2002+(-2003)+(-2004)+2005+2006+(-2007)+(-2008)=
-2008