作者查詢 / diego99
作者 diego99 在 PTT [ tutor ] 看板的留言(推文), 共3758則
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21F推:這題是連老師都不會回答的問題,我看他整個腦袋充滿疑問。01/23 19:24
22F→:Just kidding... XD01/23 19:24
1F→:下禮拜剛好是段考結束,可考慮準備一些下學期的課程01/15 14:02
1F推:我喜歡這方法!! ^^01/12 19:51
1F→:原po應該是不小心忽略了比值分子的那個x01/10 00:04
2F→:接著只要分子分母同除x01/10 00:05
4F→:再對分子根號內的(1/x)做配方,答案會呼之欲出01/10 00:06
5F→:我算的結果是5/3 ,剛好x= 25/4 的時候01/10 00:08
6F→:上面打錯...是對分"母" OTZ...01/10 00:13
4F→:有理因式分解為前者,實因式分解後者01/09 23:37
5F→:甚至你要分解成 (x-根號2)(x-根號2)(x+i)(x-i)01/09 23:38
6F→:也不會有人說你錯01/09 23:39
8F→:那可能就要考慮這題目是否從這課本中出來的ˊˋ01/10 00:17
9F→:另外,有老師可以給質因式的定義嗎?01/10 00:23
1F→:當然也可用 f(1)*f(2)<0 來證明01/08 01:17
3F→:是的。01/08 02:00
1F推:錯誤的地方為將多項式相乘後使用堪根01/08 01:24
2F→:這也是題目要誘導考生的陷阱01/08 01:24
11F推:1/3 = 0.3333... => 1=3*(1/3)=3*(0.3333...)=0.9999...04/25 12:25
11F推:http://tinyurl.com/cymdk8 有心要學 網路就找的到02/16 02:37