Question

2×(-49,23) +3×0_>2×(-83,24) +2×(-74,994)

Answer 1

Resposta:

$2\begin{pmatrix}-49&23\end{pmatrix}+3\cdot \:0_>\cdot \:2\begin{pmatrix}-83&24\end{pmatrix}+2\begin{pmatrix}-74&994\end{pmatrix}\\\\=\begin{pmatrix}-98&46\end{pmatrix}+3\cdot \:0_>\cdot \:2\begin{pmatrix}-83&24\end{pmatrix}+2\begin{pmatrix}-74&994\end{pmatrix}\\\\=\begin{pmatrix}-98&46\end{pmatrix}+\begin{pmatrix}3\cdot \:0_>\cdot \:2\left(-83\right)&3\cdot \:0_>\cdot \:2\cdot \:24\end{pmatrix}+2\begin{pmatrix}-74&994\end{pmatrix}$$=\begin{pmatrix}-98&46\end{pmatrix}+\begin{pmatrix}3\cdot \:0_>\cdot \:2\left(-83\right)&3\cdot \:0_>\cdot \:2\cdot \:24\end{pmatrix}+\begin{pmatrix}-148&1988\end{pmatrix}\\\\=\begin{pmatrix}-98+3\cdot \:0_>\cdot \:2\left(-83\right)&46+3\cdot \:0_>\cdot \:2\cdot \:24\end{pmatrix}+\begin{pmatrix}-148&1988\end{pmatrix}\\\\=\begin{pmatrix}-98+3\cdot \:0_>\cdot \:2\left(-83\right)-148&46+3\cdot \:0_>\cdot \:2\cdot \:24+1988\end{pmatrix}$