So sánh:a) frac{-22}{45}và frac{-51}{103}b) frac{2009^{2009}+1}{2009^{2010}+1}và frac{2009^{2010}-2}{2009^{2011}-2}c) frac{2010}{2011}+ frac{2011}{2012}+ frac{2012}{2013}và frac{2010+2011+2012}{2011+2012+2013}d)frac{121212}{171717}+ frac{2}{7}- frac{404}{1717}và frac{10}{17}
Đọc tiếp
So sánh:
a) \(\frac{-22}{45}\)và \(\frac{-51}{103}\)
b) \(\frac{2009^{2009}+1}{2009^{2010}+1}\)và \(\frac{2009^{2010}-2}{2009^{2011}-2}\)
c) \(\frac{2010}{2011}\)+ \(\frac{2011}{2012}\)+ \(\frac{2012}{2013}\)và \(\frac{2010+2011+2012}{2011+2012+2013}\)
d)\(\frac{121212}{171717}\)+ \(\frac{2}{7}\)- \(\frac{404}{1717}\)và \(\frac{10}{17}\)
