1+1/(1+2)+1/(1+2+3)+……+1/(1+2+3+4+5+6+7+8+9+10)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 15:19:11
![1+1/(1+2)+1/(1+2+3)+……+1/(1+2+3+4+5+6+7+8+9+10)](/uploads/image/z/1001932-52-2.jpg?t=1%2B1%2F%281%2B2%29%2B1%2F%281%2B2%2B3%29%2B%E2%80%A6%E2%80%A6%2B1%2F%281%2B2%2B3%2B4%2B5%2B6%2B7%2B8%2B9%2B10%29)
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1+1/(1+2)+1/(1+2+3)+……+1/(1+2+3+4+5+6+7+8+9+10)
1+1/(1+2)+1/(1+2+3)+……+1/(1+2+3+4+5+6+7+8+9+10)
1+1/(1+2)+1/(1+2+3)+……+1/(1+2+3+4+5+6+7+8+9+10)
1+1/(1+2)+1/(1+2+3)+……+1/(1+2+3+4+5+6+7+8+9+10)
=20/11