Question

so sánh 2 phân số :\(\frac{2005}{2006}\)và \(\frac{2006}{2007}\)

Answer 1

ta thay : 1- 2005/2006 = 1/2006 ; 1 - 2006/2007 = 1/2007

vi 1/2006 > 1/2007 nen 2005/2006 < 2006/2007

bai nay dung 100 % . bai la phuong phap phan bu , ban co the lam phuong phap phan so trung gian , quy dong tu so hoac  mau so

Answer 2

\(1-\frac{2005}{2006}=\frac{1}{2006};1-\frac{2006}{2007}=\frac{1}{2007}\)

Vì \(\frac{1}{2006}>\frac{1}{2007}\Rightarrow\frac{2005}{2006}< \frac{2006}{2007}\)