作者查詢 / binbinthink
作者 binbinthink 在 PTT 全部看板的留言(推文), 共4292則
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1F→:我不知道有沒算錯?是384/125?12/11 20:05
2F推:好像不對,是5.7612/11 20:09
3F→:原本是6.8.10可知為直角三角形12/11 20:09
4F→:折疊下來後,你做好角度記好,可以知道下面突出來的12/11 20:10
5F→:應該也是直角三角形,然後線段AB'與線段BC交點設E12/11 20:11
6F→:三角形ACE應該也為直角三角形,然後用3:4:5算出線段CE12/11 20:12
7F→:為3.6,線段AE為4.812/11 20:12
8F→:線段DE設3x所以線段DB'=3x=線段DB12/11 20:13
9F→:面積應該可算=6.4*4.8/2再乘上5/8,好像是這樣,希望沒12/11 20:14
10F→:算錯12/11 20:14
11F→: 線段DB'=5x=線段DB12/11 20:15
7F推:甲每分跑100,乙每分跑80,反向跑加起來一定是400跑一圈12/11 20:17
8F→:故(100+80)*30/400=13....200,相遇13次12/11 20:18
10F→:所以,阿嬤出院了嗎?? 幾百年 沒有看到阿嬤了...10/31 11:26
1F推:沒關係,反正泣國裡...大家的眼睛常常有問題...10/03 16:10
1F推:啊!!跑好遠呢...09/20 00:10
2F推:您好。已站內寄信。111.240.220.71 08/31 18:46
7F推:大推08/27 22:07
1F推:過一陣子,東森要再重播『封神傳』111.251.153.97 08/25 22:42
2F→:真讓人開心!!XDD Benny 超帥的111.251.153.97 08/25 22:42
7F推:這篇文章的處理方式真棒!!!!07/31 15:27
3F推:有一句要能馬上上課,這還能歸類在陪讀111.240.209.150 07/08 00:48
5F→:根本就是用陪讀薪水想要徵家教而已111.240.209.150 07/08 00:48