作者查詢 / joyfound
作者 joyfound 在 PTT [ Math ] 看板的留言(推文), 共152則
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4F→: 哈!用正方體體積!好酷!謝謝!10/18 10:40
5F→: 不知道有沒有不用幾何意義就可以證出來的方法?10/18 10:46
4F推: 最後一題這樣的方法對一般考生來說要想到很難吧02/03 20:57
2F推: 謝謝~猛猛Der~11/19 18:56
3F推: 第一題不是可以等於0?10/08 01:27
1F→: 這種問題查維基不就好了...07/03 23:26
2F→: 回樓上,我本來也跟你想的一樣,可是答案不是這樣06/11 01:06
3F→: 當然電腦題庫答案我不敢說它一定不會錯...06/11 01:06
8F→: http://i.imgur.com/enMDLRF.png06/11 23:39
9F→: 詳解貼上來(我想可能真的是答案錯了)06/11 23:40
10F→: 我想作者把橢圓的光學原理誤想成凹面鏡了06/11 23:58
1F→: 1.漸近不是漸進 2.查維基很難嗎...06/04 22:48
3F→: 抱歉沒看清楚,謝謝指正05/08 02:41
1F推: 這就是典型的"田字型塗顏色問題"阿 (6種顏色填四格)06/24 02:11
2F→: 分兩種Case: 1. a等於c 2. a不等於c06/24 02:13
3F→: 1.(左上角和右下角同色) 2.(左上角和右下角不同色)06/24 02:14