23.（4.0分）按第一行展开，行列式}overrightarrow(i)&overrightarrow(j)&overrightarrow(k)1&2&32&1&3A. 对B. 错

23.（4.0分）按第一行展开，行列式$\begin{vmatrix}\overrightarrow{i}&\overrightarrow{j}&\overrightarrow{k}\\1&2&3\\2&1&3\end{vmatrix}=3\overrightarrow{i}-3\overrightarrow{j}-3\overrightarrow{k}$

A. 对

B. 错