2008-II-02 Posted on 21-06-2023 By app.cch 在〈2008-II-02〉中尚無留言 答案:A$\begin{array}{rcl} m & = & 7 – 3n \\ 3n & = & 7 – m \\ n & = & \dfrac{7-m}{3} \end{array}$ Same Topic: 2010-I-05 2010-II-01 2011-I-01 2011-II-02 2008, 卷二, 香港中學會考 Tags:主項變換