Practice problem
Solve 9[12410810031]+91[12410810031]\\9\begin{bmatrix}1&2&4\\10&8&10\\0&3&1\end{bmatrix}+91\begin{bmatrix}1&2&4\\10&8&10\\0&3&1\end{bmatrix}911002834101+9111002834101
[8191638327681906552819002457819]\begin{bmatrix}819&1638&3276\\8190&6552&8190\\0&2457&819\end{bmatrix}8198190016386552245732768190819
[2004008002000160020000600200]\begin{bmatrix}200&400&800\\2000&1600&2000\\0&600&200\end{bmatrix}2002000040016006008002000200
[100200400100080010000300100]\begin{bmatrix}100&200&400\\1000&800&1000\\0&300&100\end{bmatrix}100100002008003004001000100
Type a concept, like “slope” or “photosynthesis”.
