查看原题
用行列式的性质证明: $\left|\begin{array}{lll}a_1+k b_1 & b_1+c_1 & c_1 \\ a_2+k b_2 & b_2+c_2 & c_2 \\ a_3+k b_3 & b_3+c_3 & c_3\end{array}\right|=\left|\begin{array}{lll}a_1 & b_1 & c_1 \\ a_2 & b_2 & c_2 \\ a_3 & b_3 & c_3\end{array}\right|$
                        
不再提醒