作者查詢 / ChrisOvO
作者 ChrisOvO 在 PTT 全部看板的留言(推文), 共3366則
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174F推:幹難怪不敢辦他,一辦下去扯到一堆高官07/18 23:22
48F噓:幹....搞什麼阿?07/18 00:00
23F推:惡有惡報,只能說他活該07/17 23:41
39F推:超好看.....張力十足07/17 23:51
40F→:看來喬亞是要來找小松拿美食金字塔裡面的那本食譜07/17 23:56
7F推:第二題是25%還28%?07/09 11:17
534F噓:幹 抓到了齁!!!!再刪阿!!!!!!!07/19 02:26
1364F→:幹...YOUTUBE當掉整段沒看到 是我電腦的問題嗎QQ07/06 22:47
328F推:蛋堡超帥!!!!!!!!!!!!!07/06 21:31
716F→:天啊XD...營隊表演都比這好吧07/06 19:58
3F推:dlnQ=dQ/Q,也就是代表"變動量"07/06 22:43
4F→:若將題目的式子全微分,會得到:dln(Q)=-0.1dln(P)+0.3dln07/06 22:45
5F→:dln(Q)=-0.1dln(P)+0.3dln(I)07/06 22:46
6F→:再根據題意:P變動了0.2,I變動了0.107/06 22:47
7F→:代入上式得dln(Q)=-0.1*0.2+0.3*0.107/06 22:48
8F→:dln(Q)=0.01>0,代表Q的變動為正07/06 22:49
9F→:也就是Q會上升07/06 22:50
10F→:只要記得dlnX代表X的變動量07/06 22:51