1/1+1/2-1=1/2,1/3+1/4-1/2=1/12,1/5+1/6-1/3=1/30,1/2011+1/2012-___=1/2011*2012
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/18 14:43:00
![1/1+1/2-1=1/2,1/3+1/4-1/2=1/12,1/5+1/6-1/3=1/30,1/2011+1/2012-___=1/2011*2012](/uploads/image/z/13298633-17-3.jpg?t=1%2F1%2B1%2F2-1%3D1%2F2%2C1%2F3%2B1%2F4-1%2F2%3D1%2F12%2C1%2F5%2B1%2F6-1%2F3%3D1%2F30%2C1%2F2011%2B1%2F2012-___%3D1%2F2011%2A2012)
1/1+1/2-1=1/2,1/3+1/4-1/2=1/12,1/5+1/6-1/3=1/30,1/2011+1/2012-___=1/2011*2012
1/1+1/2-1=1/2,1/3+1/4-1/2=1/12,1/5+1/6-1/3=1/30,1/2011+1/2012-___=1/2011*2012
1/1+1/2-1=1/2,1/3+1/4-1/2=1/12,1/5+1/6-1/3=1/30,1/2011+1/2012-___=1/2011*2012
1/1006.1/a+1/b-1/b/2=1/a*b
1/1006
1/2011+1/2012-1/1006=1/2011*2012
1/1006
只能给你方法,1-1/2-1/3=1/6,然后去掉1/6,把剩下的都加起来 1-1/2-1/3=1/6 再-1/6=0 1/4-1/5=1/20 再-1/20=0 剩下: