1/1*2+1/2*3+1/3*4+⋯+1/99*100
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 04:20:14
![1/1*2+1/2*3+1/3*4+⋯+1/99*100](/uploads/image/z/15252944-32-4.jpg?t=1%2F1%2A2%2B1%2F2%2A3%2B1%2F3%2A4%2B%26%238943%3B%2B1%2F99%2A100)
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1/1*2+1/2*3+1/3*4+⋯+1/99*100
1/1*2+1/2*3+1/3*4+⋯+1/99*100
1/1*2+1/2*3+1/3*4+⋯+1/99*100
原式=(1-1/2)+(1/2-1/3)+……+(1/99-1/100)=1-1/100=99/100