[請問] 一個很基本的數學問題
※ [本文轉錄自 ask 看板 #1DjfKkCx ]
作者: wwf449 (翔__) 站內: ask
標題: [請問] 一個很基本的數學問題
時間: Tue Apr 26 17:49:18 2011
今日發期中考考卷
有一題答案是15 × √2
但是我答案寫了15√2
我拿去問老師..
老師告訴我這兩個是不同的0.0
有沒有人可以告訴我這兩個答案有什麼不同嗎...
--
推
11/21 00:42,
11/21 00:42
推
11/21 00:43,
11/21 00:43
推
11/21 00:43,
11/21 00:43
→
11/21 00:44,
11/21 00:44
推
11/21 00:44,
11/21 00:44
推
11/21 00:44,
11/21 00:44
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 218.173.58.127
推
04/26 17:50,
04/26 17:50
→
04/26 17:51,
04/26 17:51
→
04/26 17:51,
04/26 17:51
→
04/26 17:52,
04/26 17:52
推
04/26 17:53,
04/26 17:53
→
04/26 17:53,
04/26 17:53
推
04/26 17:57,
04/26 17:57
→
04/26 17:57,
04/26 17:57
→
04/26 17:57,
04/26 17:57
推
04/26 18:00,
04/26 18:00
推
04/26 18:00,
04/26 18:00
→
04/26 18:01,
04/26 18:01
→
04/26 18:02,
04/26 18:02
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 114.47.158.85
推
04/26 18:29, , 1F
04/26 18:29, 1F
→
04/26 18:54, , 2F
04/26 18:54, 2F
→
04/26 19:08, , 3F
04/26 19:08, 3F
推
04/26 19:16, , 4F
04/26 19:16, 4F
→
04/26 19:35, , 5F
04/26 19:35, 5F
推
04/26 19:46, , 6F
04/26 19:46, 6F
推
04/26 20:22, , 7F
04/26 20:22, 7F
→
04/26 21:50, , 8F
04/26 21:50, 8F
→
04/27 00:17, , 9F
04/27 00:17, 9F