1/(2*3)+1/(3*4)+1/(4*5)+.+1/(2008*2009)如何简算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 23:42:01
![1/(2*3)+1/(3*4)+1/(4*5)+.+1/(2008*2009)如何简算](/uploads/image/z/1970634-66-4.jpg?t=1%2F%282%2A3%29%2B1%2F%283%2A4%29%2B1%2F%284%2A5%29%2B.%2B1%2F%282008%2A2009%29%E5%A6%82%E4%BD%95%E7%AE%80%E7%AE%97)
x)302Z&`DTS[220O5=;$铥OΆt
e@)KB[J2710/.H̳9 H
1/(2*3)+1/(3*4)+1/(4*5)+.+1/(2008*2009)如何简算
1/(2*3)+1/(3*4)+1/(4*5)+.+1/(2008*2009)如何简算
1/(2*3)+1/(3*4)+1/(4*5)+.+1/(2008*2009)如何简算
1/2-1/3+1/3-1/4+……+1/2008-1/2009
=1/2-1/2009
=2007/4018