作者查詢 / sendicmimic
作者 sendicmimic 在 PTT [ Math ] 看板的留言(推文), 共72則
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4F→: 不是有限和無限的差別嗎?01/07 17:34
1F→: 你要先定義1.5個或2.7個或是根號3個的長相01/06 22:18
2F→: 否則可不可微分還是個問號01/06 22:19
3F→: 簡單講就是x個x相加的定義錯誤01/06 22:27
2F→: 就弄個半圓,內接個四邊形沒有某一邊與直徑相疊即可01/06 19:25
1F→: 所以這本書的"定義2"是? 跟實數一樣用ε-δ吧?01/05 20:22
1F→: q = p/r ≧ p > 1/201/03 18:41
2F→: 觀察q=0時p=0, q≠0時1≧r>001/03 18:45
3F→: 不合條件2.01/03 18:52
24F→: 他的關鍵字不是"一定是"嗎?01/01 20:26
4F→: 這是定義和國文問題12/29 19:14
5F→: 數學是科學之母,國文是數學之基礎12/29 19:14
1F→: 這題很直觀,假設一下就全出來了,但原PO想要簡潔12/25 19:08
2F→: L版友寫法看起來較簡潔,可是想法很不直接,12/25 19:11
3F→: 還用三元二次式表示CD^2,天外飛來π/4湊回去12/25 19:13
4F→: 我覺得國中生應該不必搞到這麼難12/25 19:14
5F→: 要求CD^2只要連結OD利用商高定理就好了。12/25 19:14
6F→: 在想原PO是想要例如內冪外冪性質之流的直接比出來12/25 19:17
1F推: 答案C。 設r,r1,r2,則斜面積πr1r2, CD圓4πr1r212/24 19:38
2F→: 列出面積算式再代入另一個關係r=r1+r212/24 19:39