Question

may mem giai gjum mk

so sanh 2so huu ti

x=\(\dfrac{-5}{4}\) va y=\(-1\dfrac{1}{4}\)

Answer 1

\(y=-1\dfrac{1}{4}=-\dfrac{5}{4}\)

\(\Rightarrow x=y\)

Answer 2

Ta có:

+\(x=\dfrac{-5}{4}\)

+\(y=-1\dfrac{1}{4}=\dfrac{-3}{4}\)

Vì -5<-3 nên \(\dfrac{-5}{4}< \dfrac{-3}{4}\) hay \(\dfrac{-5}{4}< -1\dfrac{1}{4}\)

Vậy x<y

Answer 3