Question

2007×2010-1007/2008×2009-1009

Giúp mình với 

Answer 1

\(\dfrac{2007x2010-1007}{2008x2009-1009}=\dfrac{2007x2009+2007-1007}{2007x2009+2009-1009}=\dfrac{2007x2009+1000}{2007x2009+1000}=1\)

Answer 2

2007x2010−1007​=2007x2009+2009−10092007x2009+2007−1007​=2007x2009+10002007x2009+1000​=1