Đề thi HK1 Toán 7 - THCS Đại Kim - Hà Nội - Năm 20...

A \({120^o}\)      

B \({180^o}\)

C \({90^o}\)        

D \({60^o}\)

A \(\frac{{14}}{9}\)  

B \(\frac{{13}}{9}\)   

C \(\frac{{13}}{6}\)     

D \(\frac{7}{3}\)

A \(\frac{1}{4}\)

B \(\frac{9}{4}\)

C \(\frac{5}{{29}}\)     

D \(\frac{9}{{29}}\)

A \(\frac{{ - 12}}{{19}}\)

B \(\frac{{26}}{{19}}\)   

C \(\frac{{ - 7}}{{19}}\)   

D \(\frac{7}{{19}}\)

A \(\frac{{41}}{2}\)

B \(\frac{{31}}{2}\)     

C \(\frac{{ - 31}}{2}\)   

D \(\frac{{ - 41}}{2}\)

A \(x = \frac{1}{{10}}\)

B \(x = \frac{7}{{10}}\)      

C \(\frac{{ - 7}}{{10}}\)

D \(x = \frac{{ - 1}}{{10}}\)

A \(x = 14\)           

B \(x = \frac{7}{{18}}\)        

C \(x = 12\)                

D \(x = \frac{1}{{21}}\)

A \(\left[ \begin{array}{l}x =  - \frac{{17}}{{15}}\\x = \frac{{23}}{{15}}\end{array} \right.\)

B \(\left[ \begin{array}{l}x = \frac{{17}}{{15}}\\x =  - \frac{{23}}{{15}}\end{array} \right.\)      

C \(\left[ \begin{array}{l}x = \frac{{17}}{{15}}\\x = \frac{{23}}{{15}}\end{array} \right.\)

D \(\left[ \begin{array}{l}x =  - \frac{{17}}{{15}}\\x =  - \frac{{23}}{{15}}\end{array} \right.\)

A \(x = 23\)

B \(x = 13\)

C \(x = - 23\)

D \(x = - 13\)