EM-2137

Matrix multiplication

E Math · Secondary 4 · Hard · Matrix multiplication

1. $\begin{pmatrix}21.2 & 20.6\\21.5 & 20.5\end{pmatrix}$
2. $\begin{pmatrix}21.2 & 21.5\\20.6 & 20.5\end{pmatrix}$
3. $\begin{pmatrix}18.0 & 17.5\\19.0 & 18.5\end{pmatrix}$
4. $\begin{pmatrix}9.6 & 8.4\\2.4 & 2.1\end{pmatrix}$

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