1/m(m+2)+1/(m+2)(m+41/m(m+2)+1/(m+2)(m+4)+…+1/(m+2014)(m+2016)
=(1/2)(1/m-1/(m+2)+1/(m+2)-1/(m+4)+...+1/(m+2014)-1/(m+2016))
=(1/2)×2016/m(m+2016)
=1008/m(m+2016);
如果本题有什么不明白可以追问,
1/m(m+2)+1/(m+2)(m+41/m(m+2)+1/(m+2)(m+4)+…+1/(m+2014)(m+2016)
=(1/2)(1/m-1/(m+2)+1/(m+2)-1/(m+4)+...+1/(m+2014)-1/(m+2016))
=(1/2)×2016/m(m+2016)
=1008/m(m+2016);
如果本题有什么不明白可以追问,