So sánh : $A = \frac{1011}{1012} + \frac{1012}{1013} v à B = \frac{1011 + 1012}{1012 + 1013}$

Question

$A = \frac{2011}{2012} + \frac{2012}{2013} > \frac{2011}{2013} + \frac{2012}{2013} = \frac{2011 + 2012}{2013} > \frac{2011 + 2012}{2012 + 2013} = B$

Answer 1

Trả lời:

Giải bởi Vietjack

$A = \frac{2011}{2012} + \frac{2012}{2013} > \frac{2011}{2013} + \frac{2012}{2013} = \frac{2011 + 2012}{2013} > \frac{2011 + 2012}{2012 + 2013} = B$

So sánh : A=10111012 +10121013 và B =1011+10121012+1013