2010/1 + 2009/2 + 2008/3 + …….. + 1/2010 09/08/2021 Bởi Daisy 2010/1 + 2009/2 + 2008/3 + …….. + 1/2010
Đáp án: 2010/1 + 2009/2 + 2008/3 + …….. + 1/2010 = (2009/2 + 1 ) + (2008/3 + 1 ) + …. + (1/2010 + 1 ) + 1 = 2011/2 + 2011/3 + … + 2011/2010 + 2011/2011 = 2011( 1/2 + 1/3 + … + 1/2010 + 1/2011) = 2011 Bình luận
2010/1 + 2009/2 + 2008/3 + …….. + 1/2010 = (2009/2 + 1 ) + (2008/3 + 1 ) + …. + (1/2010 + 1 ) + 1 = 2011/2 + 2011/3 + … + 2011/2010 + 2011/2011 = 2011( 1/2 + 1/3 + … + 1/2010 + 1/2011) = 2011/1 =2011 Bình luận
Đáp án:
2010/1 + 2009/2 + 2008/3 + …….. + 1/2010
= (2009/2 + 1 ) + (2008/3 + 1 ) + …. + (1/2010 + 1 ) + 1
= 2011/2 + 2011/3 + … + 2011/2010 + 2011/2011
= 2011( 1/2 + 1/3 + … + 1/2010 + 1/2011)
= 2011
2010/1 + 2009/2 + 2008/3 + …….. + 1/2010
= (2009/2 + 1 ) + (2008/3 + 1 ) + …. + (1/2010 + 1 ) + 1
= 2011/2 + 2011/3 + … + 2011/2010 + 2011/2011
= 2011( 1/2 + 1/3 + … + 1/2010 + 1/2011)
= 2011/1
=2011