A.\(\dfrac{{ - 9}}{{20}}\)
B.\(\dfrac{9}{{20}}\)    
C.\(\dfrac{{ - 3}}{{20}}\)         
D.\(\dfrac{3}{{20}}\)

A.\(\dfrac{{ - 1}}{3}\)   
B.\( - \dfrac{4}{6}\)       
C.\(\dfrac{{ - 7}}{9}\)              
D.\(\dfrac{{ - 5}}{7}\)

A.\(\dfrac{{ - 5}}{7}\)
B.\(\dfrac{5}{7}\)
C.\(1\)                                        
D.\( - 1\)

A.\(x = 8\)
B.\(x =  - 10\)      
C.\(x = 8\) hoặc \(x =  - 10\)                                                    
D.\(x = 80\)

A.\(A<B\)
B.\(A>B\)
C.\(A = B\)
D.Không so sánh được

A.\(x = 8\)
B.\(x = 10\)
C.\(x = 7\)
D.\(x = 9\)

A.\(x = 6\)
B.\(x = 9\)
C.\(x = 7\)
D.\(x = 8\)

A.\(x = \dfrac{1}{3}\)
B.\(x = \dfrac{2}{3}\)
C.\(x = 1\)
D.\(x = \dfrac{1}{2}\)

A.\(x = \dfrac{1}{3}\)
B.\(x = \dfrac{2}{3}\)
C.\(x = 1\)
D.\(x = \dfrac{1}{2}\)

A.\(C = 32\dfrac{2}{3}\)
B.\(C = 32\dfrac{3}{5}\)
C.\(C = 32\dfrac{{11}}{{15}}\)
D.\(C = 32\dfrac{{13}}{{15}}\)