A = [tex] \frac{ \frac{11}{3} - \frac{8}{3} }{ \frac{-16}{5} }= \frac{ \frac{3}{3} }{ \frac{-16}{5} }= \frac{1}{ \frac{-16}{5}} = \frac{1*5}{-16}= \frac{5}{-16} [/tex]
B= [tex]\frac{1- \frac{3}{2} + \frac{9}{7} }{ \frac{5}{4} - \frac{1}{3} } = \\ \\ \frac{\frac{14}{14} - \frac{21}{14}+ \frac{18}{14} }{ \frac{15}{12} - \frac{4}{12} }= \\ \\ \frac{ \frac{11}{14} }{ \frac{11}{12} } = \\ \\
\frac{11}{14} [/tex]×[tex] \frac{12}{11} = \\ \\ \frac{12}{14}= \\ \\ [/tex]
B = [tex]\frac{6}{7} [/tex]
C= [tex] \frac{2 * 10^{3} * 5 * (10^{-5})^{2}}{2+18} \\ \\ \frac{1 * 10^{4}*(10^{-5})^{2}}{20} \\ \\ \frac{10*10^{-7} }{2*10^{1}}[/tex]
C = 5 × [tex]10^{-8} [/tex]
D = [tex] \frac{7 * 10^{-3} }{63 * 10^{-5} } = \\ \\ \frac{0,007}{0,00063}= \\ \\ \frac{700}{63} [/tex]
D = [tex] \frac{100}{9} [/tex]
