1/2006+4/2006+7/2006+10/2006+…+2005/2006
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 18:10:11
![1/2006+4/2006+7/2006+10/2006+…+2005/2006](/uploads/image/z/11514078-54-8.jpg?t=1%2F2006%2B4%2F2006%2B7%2F2006%2B10%2F2006%2B%E2%80%A6%2B2005%2F2006)
x)372006P B?jX
dy6IE(/!}066k"F@bZHr<;lr9PHxt';n|6=چffOvz6uӵ5:Y*illg| t
1/2006+4/2006+7/2006+10/2006+…+2005/2006
1/2006+4/2006+7/2006+10/2006+…+2005/2006
1/2006+4/2006+7/2006+10/2006+…+2005/2006
原式=(1+2+3+...+2005)/2006
=[(1+2005)*2005/2]/2006
=2005/2
1/2006+4/2006+7/2006+10/2006+…+2005/2006
=(1+4+7+10+……2005)/2006(分子一共有(2005-1)/3+1=669个数字)
=[(1+2005)*669/2]*1/2006
=669/2
=334.5