A. \(\dfrac{{ - 5,7}}{{13,1}}\)
B. \(\dfrac{{ - 8}}{0}\)
C. \(\dfrac{7}{1}\)
D. \(\dfrac{6}{0}\)
A. \(\dfrac{{ - 8k}}{{25k}},k \in Z\)
B. \(\dfrac{{8k}}{{25k}}, k \in Z, k \ne 0\)
C. \(\dfrac{{ - 8k}}{{5k}},k \in Z,k \ne 0\)
D. \(\dfrac{8}{{25}}\)
A. \(\frac{{12}}{0}\)
B. \(\frac{{ - 4}}{5}\)
C. \(\frac{3}{{0,25}}\)
D. \(\frac{{4,4}}{{11,5}}\)
A.
\(\dfrac{{ - 3}}{7}\)
B. \(\dfrac{{ - 6}}{{ - 14}}\)
C. \(\dfrac{3}{{ - 7}}\)
D. \(\dfrac{{ - 6}}{{14}}\)
A. \(\dfrac{1}{4} = \dfrac{{20}}{{80}} \)
B. \(\dfrac{{ - 11}}{{25}} = \dfrac{{44}}{{ - 100}}\)
C. \(\dfrac{{ - 17}}{{ - 6}} = \dfrac{{34}}{{12}}\)
D. \(\dfrac{{ - 7}}{{ - 8}} = \dfrac{{21}}{{ - 24}}\)
A. 7
B. -6
C. 6
D. -7
A. 6
B. 1
C. 2
D. 4
A. x=81
B. x=-81
C. x=-9
D. x=9
A. x=−1,y=36
B. x=1,y=−36
C. x=−1,y=9
D. x= 1,y=36
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