Question

so sánh bằng cách hợp lí

a) \(\dfrac{2007}{2006}\)      \(\dfrac{2006}{2008}\)

b) \(\dfrac{1313}{1414}\)      \(\dfrac{13}{14}\)

c) \(\dfrac{97}{96}\)           \(\dfrac{96}{95}\)

d) \(\dfrac{2007}{2006}\)        \(\dfrac{2005}{2004}\)

e) \(\dfrac{2007}{2006}\)         \(\dfrac{2008}{2007}\)

nhanh nha

Answer 1

a) \(\dfrac{2007}{2006}>\dfrac{2006}{2008}\)

b) \(\dfrac{1313}{1414}=\dfrac{13}{14}\)

c)\(\dfrac{97}{96}< \dfrac{96}{95}\)

d)\(\dfrac{2007}{2006}< \dfrac{2005}{2004}\)

e) \(\dfrac{2007}{2006}>\dfrac{2008}{2007}\)

Answer 2

a: 2007/2006>1>2006/2008

b: 1313/1414=13/14

c: 97/96=1+1/96

96/95=1+1/95

mà 1/96<1/95

nên 97/96<96/95

e: 2007/2006=1+1/2006

2008/2007=1+1/2007

mà 1/2006>1/2007

nen 2007/2006>2008/2007