Rút gọn phân số \(\dfrac{{4.8}}{{64.( - 7)}}\) ta được phân số tối giản là:

$ > $  

$ < $    

$ = $  

Tất cả các đáp án trên đều sai

$\left\{ {1; - 1} \right\}$         

\(\left\{ 2 \right\}\)  

\(\left\{ {1;2} \right\}\)

\(\left\{ {1;2;3} \right\}\)

\(\dfrac{{ - 2}}{4}\) 

\(\dfrac{{ - 15}}{{ - 96}}\)  

\(\dfrac{{13}}{{27}}\)

\(\dfrac{{ - 29}}{{58}}\)

\(\dfrac{{220}}{{240}};\dfrac{{225}}{{240}};\dfrac{{276}}{{240}}\)                            

\(\dfrac{{225}}{{240}};\dfrac{{220}}{{240}};\dfrac{{276}}{{240}}\)                     

\(\dfrac{{225}}{{240}};\dfrac{{276}}{{240}};\dfrac{{220}}{{240}}\)         

\(\dfrac{{220}}{{240}};\dfrac{{276}}{{240}};\dfrac{{225}}{{240}}\)

\(\dfrac{{16}}{{56}};\dfrac{{ - 35}}{{56}}\)        

\(\dfrac{{16}}{{56}};\dfrac{{35}}{{56}}\)  

\(\dfrac{{16}}{{56}};\dfrac{{35}}{{ - 56}}\)      

\(\dfrac{{ - 16}}{{56}};\dfrac{{ - 35}}{{56}}\)

\(\dfrac{1}{2}\)                    

\(\dfrac{6}{8}\)          

\(\dfrac{3}{4}\)                 

\(\dfrac{{ - 3}}{4}\)

\(\dfrac{4}{9}\) 

\(31\)  

\( - 1\) 

\(4\)