A.\(z \in \left\{ {2;\,\,3;\,\,4;\,\,5} \right\}\)
B.\(z \in \left\{ {1;\,\,2;\,\,3;\,\,4;\,\,5;\,\,6} \right\}\)
C.\(z \in \left\{ {2;\,\,3;\,\,4;\,\,5;\,\,6} \right\}\)
D.\(z \in \left\{ {1;\,\,2;\,\,3;\,\,4;\,\,5} \right\}\)

A.\(2\)
B.\(\dfrac{{49}}{{25}}\)
C.\(\dfrac{{49}}{{20}}\)
D.\(\dfrac{{99}}{{50}}\)

A.\(\dfrac{0}{9}\)
B.\(\dfrac{{ - 7}}{{10}}\)         
C.\(\dfrac{{ - 5}}{{ - 4}}\)      
D.\(\dfrac{{1,7}}{3}\)

A.\(6\)
B.\(8\)
C.\(\dfrac{{15}}{2}\)
D.\(\dfrac{{17}}{2}\)

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

A.\(11\dfrac{4}{9}\)
B.\(11\dfrac{2}{3}\)
C.\(11\dfrac{1}{3}\)
D.\(11\dfrac{5}{9}\)

A.\(11\dfrac{4}{9}\)
B.\(11\dfrac{2}{3}\)
C.\(11\dfrac{1}{3}\)
D.\(11\dfrac{5}{9}\)

A.\(\dfrac{3}{{11}}\)
B.\(\dfrac{3}{7}\)
C.\(\dfrac{7}{{11}}\)
D.\(\dfrac{4}{7}\)

A.\( 9\)
B.\( 10\)
C.\(  12\)
D.\( 15\)

A.\( - 1\)
B.\( - \dfrac{{18}}{{19}}\)
C.\( - \dfrac{{16}}{{19}}\)
D.\( - \dfrac{{20}}{{19}}\)