\(\dfrac{5}{2}=\dfrac{5\times2}{2\times2}=\dfrac{10}{4}\)
\(\dfrac{28}{8}=\dfrac{28:2}{8:2}=\dfrac{14}{4}\)
Có: \(\dfrac{9}{4}< \dfrac{10}{4}< \dfrac{14}{4}< \dfrac{19}{4}\)
=> con vịt, con gà mái, con mèo, con thỏ.
\(\dfrac{9}{4};\dfrac{5}{2};\dfrac{28}{8};\dfrac{19}{4}\)