解决方案

Question

解决方案 - \left [ \begin{array} { r r r } { 3 } & { 5 } & { - 0.6 } \ { 9 } & { \frac{9}{10} } & { - 9 } \end{array} ight ] \div 2.4

Accepted Answer

\left[\begin{array}{lll}{-\frac{5}{4}}&{-\frac{25}{12}}&{\frac{1}{4}}\{-\frac{15}{4}}&{-\frac{3}{8}}&{\frac{15}{4}}\end{array} ight]

- [ beginarray r r r 3 & 5 & - 0.6 9 & frac{910 } & - 9 endarray ] / 2.4