推 whitewater: 需求Q(P,M)=供給Q(P)140.134.204.133 09/04 12:39
→ whitewater:全微分 然後 CRAMER'S RULE求解140.134.204.133 09/04 12:39
→ whitewater:這是政大考古題 其實翻翻書應該都有140.134.204.133 09/04 12:40
→ fg801640:謝謝122.122.147.206 09/04 13:13
推 jacktoma:應該沒必要用到克萊姆法則~不過概念正確 220.134.2.243 09/06 21:49