(+1)+(+2)+(-3)+(-4)+(+5)+(+6)+(-7).+(+2005)+(+2006)

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/24 01:56:36
(+1)+(+2)+(-3)+(-4)+(+5)+(+6)+(-7).+(+2005)+(+2006)
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(+1)+(+2)+(-3)+(-4)+(+5)+(+6)+(-7).+(+2005)+(+2006)
(+1)+(+2)+(-3)+(-4)+(+5)+(+6)+(-7).+(+2005)+(+2006)

(+1)+(+2)+(-3)+(-4)+(+5)+(+6)+(-7).+(+2005)+(+2006)
瞎猜一下 2007

1 2 3 4 1 2 3 4 1 2 3 4 1,2,3,4, 1 2 3 4 1 2 3 4 1,2,3,4, 1,2,3,4, 1,2,3,4, 1,2,3,4, 1 2 3 4 1,2,3,4, 1,2,3,4, 1,2,3,4, 1、2、3、4 1+2+3×4 1,2,3,4 1+2+3+4+.