Bài tập về phân số

$$A.\ \frac{13}{14}$$  

$$B.\frac{24}{32}$$  

$$C.\frac{32}{36}$$  

$$D.\ \frac{9}{36}$$  

$$A.\ \frac{3}{4}$$  

$$B.\ \frac{9}{14}$$  

$$C.\ \frac{24}{24}$$  

$$D.\ \frac{7}{5}$$  

$$A.\ \frac{4}{3}\ lít$$  

$$B.\ \frac{3}{4}\ lít$$  

$$C.\ \frac{1}{3}\ lít$$  

D $$D.\ \frac{1}{4}\ lít$$  

$$A.\ \ AO\ =\ \frac{1}{5}AB$$  

$$B.\ A0\ =\ \frac{1}{4}OB$$  

$$C.\ OB\ =\ \frac{4}{5}AB$$  

$$D.\ OB\ =\ \frac{4}{5}AO$$  

$$A.\ \frac{4}{10}$$  

$$B.\ \frac{5}{2}$$  

$$C.\ \frac{5}{15}$$  

$$D.\ \frac{1}{5}$$  

A. 2

B. 3

C. 4

D. 5

$$A.\ \frac{5}{6}\ và\ \frac{15}{24}$$  

$$B.\ \frac{3}{5}\ và\ \frac{21}{35}$$  

$$C.\ \frac{3}{7}\ và\ \frac{15}{28}$$  

$$D.\ \frac{9}{27}\ và\ \frac{1}{4}$$