Question

Cho A =\(\frac{2008\cdot2010+477}{2009\cdot2009+476}\)

Hãy so sánh A với 1 .

Answer 1

A=\(\frac{2008.\left(2009+1\right)+447}{\left(2008+1\right).2009+476}\)=\(\frac{2008.2008+2008+447}{2008.2009+2009+446}\)=1