1/2000×2001+1/2001×2012+.+1/2013×2014+1/2014
=1/2000-1/2001+1/2001-1/2002+.+1/2013-1/2014+1/2014
=1/2000;
很高兴为您解答,skyhunter002为您答疑解惑
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1/2000×2001+1/2001×2012+.+1/2013×2014+1/2014
=1/2000-1/2001+1/2001-1/2002+.+1/2013-1/2014+1/2014
=1/2000;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,