作者查詢 / y15973
作者 y15973 在 PTT [ Math ] 看板的留言(推文), 共224則
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2F推: 27?05/03 16:25
4F推: http://i.imgur.com/3S1fqhO.jpg 有點暴力......05/03 17:16
6F推: 難在看不懂題意04/21 13:41
3F→: 三角函數解法 #1GbFfdbK (Math) 但有點瑕疵04/10 12:44
1F推: 解答第一行是實係數03/22 21:07
2F→: 所以兩根共軛03/22 21:07
3F→: 兩共軛複數的積就是此複數的長度平方03/22 21:07
4F→: 這樣應該就會了03/22 21:08
5F推: 不過應該要先檢查此複數不是實數會比較perfect03/22 21:12
6F→: 用角度範圍搭配方程式證明判別式為負03/22 21:12
1F推: X?y?03/09 20:16
5F推: 有H組合題目,但課本用C教了,今年學測就出了一題03/02 09:13
5F推: 用這個108度在外面做正五邊形,然後再延伸做出五芒01/30 22:40
6F→: 星,這樣一角就是36度01/30 22:40
3F推: 只只有我覺得一樓怪怪的嗎XDDD01/15 23:32
4F推: 答案應該是[(2根號3)=<所求<28]吧。01/15 23:33
5F→: 看錯.....所求<401/15 23:34
1F推: 對12/15 06:51
2F推: 亞馬遜+1,訂過日本的12/15 06:55