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作者 newversion 在 PTT [ Math ] 看板的留言(推文), 共283則
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6F推:a+b+c 不可能是一個常數,題目可能是想問 a+b+c滿足04/11 11:32
7F→:什麼樣的公式04/11 11:32
8F推:例如: 1/a+1/b=1 則 a+b = a*b04/11 11:35
2F推:tan半角代換呢?04/08 21:15
1F推:r^r = ( √(r^r) ) ^ 2 把√(r^r) 想成是常數c04/08 14:24
100F推:我想這個問題的關鍵在於:04/03 21:39
101F→:主持人心裡知道哪裡有車,他只會打開"沒有車的門"04/03 21:39
102F→:且 不會打開主角選的門04/03 21:40
9F推:老闆,我要 3+4i 碗牛肉麵 XD04/02 00:47
6F推:台大經濟系和電機資工一起上微甲1組03/26 18:22
1F推:你講的是分部積分吧,建議把原理好好弄懂,不要一味03/25 20:46
2F→:的去記方法。弄懂原理你就知道 xlnx為何不能用了03/25 20:47
3F推:你的n好像要加負 順時針<--應該是講從z軸往下看03/23 01:59
4F推:差別在第一題 x^2+y^2=36 只有在邊介滿足,足滿每一03/23 02:10
5F→:點並不滿足。而第二題,內部每一點都x - 2y + 2z = 903/23 02:10
6F→:第一題可想成 z=0 和 球x^2+y^2+z^2=36相交03/23 02:12
7F→:內部每一點只滿足 z=003/23 02:13
8F推:第2行打錯字了.. 內部每一點03/23 02:19
4F推:Abel是個少年天才,26歲英年早逝,03/18 00:43
5F→:聽說這是定理是他18歲是提出的03/18 00:44