[機經] MATH29
29 r@s=s@r,下面那些成立
（1）r@s=r+s-rs
（2）r@s=(r+s)(r-s)
(3)r@s=r/s+s/r
答案是1,3
我完全看不懂 冏
照題目的意思應該是@ 等於 + or *
但是我帶進去1,3行不通阿Orz
那位大牛可以救救我咧
謝謝Orz
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.120.80.19
→
05/01 15:28, , 1F
05/01 15:28, 1F
→
05/01 15:31, , 2F
05/01 15:31, 2F
→
05/01 15:34, , 3F
05/01 15:34, 3F
推
05/02 08:21, , 4F
05/02 08:21, 4F
推
05/02 16:49, , 5F
05/02 16:49, 5F
→
05/02 16:50, , 6F
05/02 16:50, 6F
→
05/02 17:07, , 7F
05/02 17:07, 7F
→
05/02 20:02, , 8F
05/02 20:02, 8F
→
05/02 20:06, , 9F
05/02 20:06, 9F
→
05/02 21:38, , 10F
05/02 21:38, 10F
討論串 (同標題文章)
GMAT 近期熱門文章
PTT職涯區 即時熱門文章
