作者查詢 / Starvilo
作者 Starvilo 在 PTT [ Math ] 看板的留言(推文), 共760則
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3F推: x^2-8x+5=011/03 17:06
4F推: 根與係數11/03 17:08
5F推: 0/0 =2xf(4)-4f’(x^2)*2x=-28? x=2代入11/02 23:57
7F推: 因式分解 https://i.imgur.com/O6Mhcod.jpg11/03 08:23
1F推: 16?10/23 16:11
2F推: https://i.imgur.com/6wuz2hh.jpg10/23 16:17
3F→: 想法參考未必ok10/23 16:17
4F推: 累加橫,累加縱 矛盾10/23 16:19
7F推: 若存在17個數會產生矛盾~橫加總數是負值,縱向相10/23 22:31
8F→: 加是正值。故16個數!10/23 22:31
1F推: BC中點為M,EFM等腰,且平行條件 可推得1=210/22 00:06
3F推: D>=010/19 17:41
1F推: ln(1+x) =x-x /2+x /3+……06/07 14:55
3F推: x-x^2/2=0.002~x=0.002,250(1+0.002)=250.5四捨06/08 13:46
4F→: 五入251XD06/08 13:46
6F推: 對2.303忘了06/08 15:05
7F推: https://i.imgur.com/ZpcQeD2.jpg05/14 16:03
8F→: https://i.imgur.com/wHFutC5.jpg05/14 16:03
23F推: 把考慮p>q or p<q就知道囉~05/14 19:56
24F→: 2p+1=qK. K屬於N. But q>p. 所以k只能等於105/14 19:58
25F→: 的意思05/14 19:58
14F推: 假設最小公倍數是2 (1,2)(2,1)(2,2) 2組的意思吧04/05 13:18
17F推: 要考慮(x,245000)情形?04/05 14:02
1F推: 6(Aa)(大小)*5(Bb)(大小)*C(4,2)(2,2)/2(大大03/30 05:13
2F→: )*(4,2)(2,2)(小小)=90003/30 05:13
3F推: 小小/203/30 05:49
5F推: 對耶!抱歉03/30 08:21
7F推: 我想一想看有無直觀想法XD03/30 08:50
1F推: 看5^4即可,(1+5*3)^125=2^500=1+5^4a. 所以500循03/30 05:42
2F→: 環?03/30 05:43