Question

[beelzebub]

a) So sánh \(\frac{2013}{2015}\) và \(\frac{2014}{2016}\)

b) So sánh \(\frac{2013+2014}{2014+2015}\) và \(\frac{2013}{2014}+\frac{2014}{2015}\)

Answer 1

[Lâm liên quân]

a)\(\frac{2013}{2015}< \frac{2014}{2016}\)

b)\(\frac{2013+2014}{2014+2015}< \frac{2013}{2014}+\frac{2014}{2015}\)

Answer 2

[stubasa10]

ta có tính chất \(\frac{a}{b}\)>1 suy ra \(\frac{a.m}{b.m}\).........