作者查詢 / chenghe
作者 chenghe 在 PTT [ tutor ] 看板的留言(推文), 共19則
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3F推:知道F為AE中點,又AF等於FE又等於FC,AFC等腰02/05 22:00
4F→:得到角ACF=30度,所以整個就是90度02/05 22:01
5F→:或者直接說F為三角形AEC外心,可知角C為90度,太多方法了02/05 22:02
6F推:這個讚~01/01 01:40
8F→:二樓的意思應該是只要算出第二個根就好02/04 20:30
16F→:真心覺得原PO趕快跑吧,這太欺負人了140.119.200.112 10/06 01:18
7F→: 想法跟媽媽一樣~ 5< n <=11 +102/04 02:19
3F→:你講的我都知道,也都是我文章中所有,不過不否認我打出01/14 03:09
4F→:來時敘述有誤。 但是...第一題第四選項還是沒有解釋為何01/14 03:09
5F→:不用選。另,第一題第一選項你搞混囉,他是錯的答案唷01/14 03:10
6F→:先謝謝你的回答囉~01/14 03:11
2F→:可以啊....01/14 02:04
20F推:感謝啦~07/09 15:54