推 n26830104:可以直接寫嗎...ln(2+cosx)+c ??218.167.193.197 07/08 14:45
推 stillboy:安心上路~140.117.120.221 07/08 15:04
→ goshfju:一樓 當然不行阿~ 這樣積分就錯亂了 59.117.68.164 07/08 16:24
→ xSAUCEx:遇到這種應該只有tan半角了吧122.123.103.220 07/08 18:57
推 Jasonbon:一樓我笑了XDDD 59.104.234.20 07/08 19:51
推 frekfrek:半角轉換 218.162.85.249 07/08 20:09
→ zptdaniel:請愛用半腳代換 123.194.99.113 07/08 21:15