Đề thi HK1 Toán 7 - THCS Vân Trị - Năm 2017 - 2018...

A  \(\frac{1}{3}\)                                            

B \(3\)                                

C \(75\)                                        

D   \(10\)

A \(\angle B + \angle C > {90^0}\)                                       

B  \(\angle B + \angle C < {90^0}\)                          

C \(\angle B + \angle C = {90^0}\)                                

D \(\angle B + \angle C = {180^0}\)  

A 0

B 12

C 24

D 36

A  \(\frac{1}{2}\)

B  \(\frac{3}{2}\)

C  \(\frac{5}{2}\)

D  \(\frac{7}{2}\)

A \(\frac{{15}}{{29}}\)

B \(\frac{{16}}{{29}}\)

C \(\frac{{13}}{{29}}\)

D \(\frac{{1}}{{29}}\)

A \( \left[ \begin{array}{l}x = 1\\x =  - 4\end{array} \right.\)

B \( \left[ \begin{array}{l}x = 2\\x =  - 4\end{array} \right.\)

C \( \left[ \begin{array}{l}x = 0\\x =  - 4\end{array} \right.\)

D \( \left[ \begin{array}{l}x = 1\\x =   4\end{array} \right.\)