作者bct172 (啊她西諾喔庫你)
看板Math
標題[微積]急!! inter[0,1]and[0,2]have the same number of elements
時間Thu Apr 28 14:23:42 2011
如題
plz show that the interval [0,1] and [0,2] have the same number of
elements.
謝謝大家~^^
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.119.66.35
1F:→ keroro321 :1-1 一堆啊 04/28 14:27
2F:→ keroro321 :忘了打onto 抱歉 04/28 14:28
3F:→ bct172 :哈哈~雄雄卡住~謝啦^^ 04/28 14:31
4F:推 ss1132 :x|->2x 04/28 15:35
5F:推 cmlrdg :推樓上:[0,1]->[0,2],把[0,1]每個元素乘以2就得證. 04/28 17:14