1/6+1/12+1/20+1/30+.1/2005x2006等于几,赏分啊

来源：学生作业帮助网编辑：六六作业网时间：2024/10/06 22:15:34

1/6+1/12+1/20+1/30+.1/2005x2006等于几,赏分啊1/6+1/12+1/20+1/30+.1/2005x2006等于几,赏分啊1/6+1/12+1/20+1/30+.1/20

1/6+1/12+1/20+1/30+.1/2005x2006等于几,赏分啊
1/6+1/12+1/20+1/30+.1/2005x2006等于几,赏分啊

1/6+1/12+1/20+1/30+.1/2005x2006等于几,赏分啊
1/6+1/12+1/20+1/30+.1/2005x2006
=1/2-1/3+1/3-1/4+1/4-1/5+.+1/2005-1/2006
=1/2-1/2006
=501/1003