InterviewSolution
Saved Bookmarks
| 1. |
\left. \begin{array} { | c | c | c | } \hline 7 & { 9 } & { 11 } \\ \hline 16 & { ? } & { 8 } \\ \hline 7 & { 12 } & { 11 } \\ \hline \end{array} \right. |
| Answer» | |