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作者 Vulpix 在 PTT [ Math ] 看板的留言(推文), 共7170則
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9F→: 國民教育主要是熱情和接受指引(自己的接受能力和07/31 21:31
10F→: 指導者的指引能力)。07/31 21:32
5F推: 這本書聽起來不錯!07/31 21:30
1F推: 左乘[I O; X I],其實是一連串用上面的列做列運算來07/28 16:57
2F→: 製造B的過程。這題直接用列運算來想還更直接一點。07/28 16:58
3F→: 至於第二題,解答並不完整。因為沒考慮到A不可逆。07/28 16:59
1F推: E+F=A+B, E-F=D-C 解聯立方程。還有其他看法,你覺07/25 23:54
2F→: 得直觀就夠了。07/25 23:54
1F推: 用到希臘就直接引用畢達哥拉斯「萬物皆(整)數」的07/20 21:28
2F→: 觀點也行。對他來說無理數就是那麼無理。07/20 21:28
1F推: f(x)=g(x)=-x-a, h(x)=x^2+ax+b, a,b隨意。07/17 10:44
1F推: 1.所求=-cos(∠BOC/2), B,C中點很好求。07/16 23:21
13F推: 其實多項式就是多項式,不是多項式函數。有理式也一07/15 17:50
14F→: 樣,不是有理函數。所以不用談到x的範圍,除非要當07/15 17:51
15F→: 成函數來看。07/15 17:51
10F推: 12有圓心以後就只剩下等分半圓了。07/14 15:07
1F推: 自然就會積出δ。07/12 16:33
2F→: 傅立葉級數不都是周期函數嗎?07/14 10:15