Đề ôn thi học kì 1 - Toán 7 - Năm học 2017 - 2018...

A \( - \frac{{77}}{{30}}\)

B \( - \frac{{77}}{{60}}\)

C \(\frac{{77}}{{60}}\)

D \( - \frac{{77}}{{15}}\)

A \(\frac{4}{7}\)

B \(\frac{8}{{14}}\)

C \(\frac{{16}}{7}\)

D \(\frac{{16}}{{49}}\)

A \(27\) lít

B \(7,5\) lít

C \(30\) lít

D \(15\) lít

A \(AB = MN\)        

B \(\widehat {\mathop{\rm B}\nolimits}  = \widehat {\,N}\)

C \(\widehat {\mathop{\rm B}\nolimits}  = \widehat {\,P}\)

D \(PM = CA\)

A \(BA = NP\)      

B \(\widehat {\mathop{\rm B}\nolimits}  = \,\widehat {\mathop{\rm N}\nolimits} \)

C \(\widehat {\mathop{\rm M}\nolimits}  = \,\widehat {\mathop{\rm A}\nolimits} \)

D \(AC = MN\)

A \({60^0}\)

B \({45^0}\)

C \({75^0}\)                                                     

D \({120^0}\)

A a) \(x=2\)

b) \(x \in \left\{ { - \frac{2}{3};2} \right\}\).

c) \(x \in \left\{ { - \frac{{13}}{{15}};\frac{{17}}{{15}}} \right\}\)

B a) \(x=-2\)

b) \(x \in \left\{ { - \frac{-2}{3};2} \right\}\).

c) \(x \in \left\{ { - \frac{{-13}}{{15}};\frac{{17}}{{-15}}} \right\}\)

C a) \(x=2,5\)

b) \(x \in \left\{ { - \frac{2}{-3};2} \right\}\).

c) \(x \in \left\{ { - \frac{{13}}{{15}};\frac{{15}}{{17}}} \right\}\)

D a) \(x=3\)

b) \(x \in \left\{ { - \frac{3}{2};2} \right\}\).

c) \(x \in \left\{ { - \frac{{15}}{{13}};\frac{{17}}{{15}}} \right\}\)