Question

So sánh phân số

\(\dfrac{-7}{-17}\) và \(\dfrac{6}{17}\)

Answer 1

\(\dfrac{-7}{-17}=\dfrac{7}{17}\)

Vì 7>6 nên \(\dfrac{-7}{-17}>\dfrac{6}{17}\)

Answer 2

\(\dfrac{-7}{-17}=\dfrac{7}{17}\)

\(\dfrac{6}{17}\) giữ nguyên 

Vì \(7>6\)

\(\Rightarrow\dfrac{-7}{-17}>\dfrac{6}{11}\)

Answer 3

\(\dfrac{-7}{-17}=\dfrac{7}{17}\\ \Rightarrow7>6\\ \Rightarrow\dfrac{7}{17}>\dfrac{6}{17}\\ \Rightarrow\dfrac{-7}{-17}>\dfrac{6}{17}\)

Answer 4

-7/-17=7/17

nên -7/-17>6/17