tag:blogger.com,1999:blog-3550204829234352390.post8598163992698990484..comments2024-03-27T09:13:48.546+08:00Comments on 研發養成所 ( Bridan's Blog - 4rdp, For R&D Person ): 訓練數學感 333 ─ 答案是 1 還是 2Bridanhttp://www.blogger.com/profile/17055047757114667099noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-3550204829234352390.post-50637353924256274832022-10-31T22:34:04.189+08:002022-10-31T22:34:04.189+08:00老師答案正解,嗯,這確實很像無窮電阻循環。老師答案正解,嗯,這確實很像無窮電阻循環。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-4994774867118465662022-10-30T10:10:58.313+08:002022-10-30T10:10:58.313+08:00這題型,讓我想起,以前在算電路學的時候,無窮的電阻循環,要計算等效電阻Req。這題型,讓我想起,以前在算電路學的時候,無窮的電阻循環,要計算等效電阻Req。薛老師https://www.blogger.com/profile/06138911994667065764noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-55854326171872737272022-10-30T10:10:07.590+08:002022-10-30T10:10:07.590+08:00x=2/(3-x)
(3-x)x=2
得x=1或2
x=2/(3-x)<br />(3-x)x=2<br />得x=1或2<br />薛老師https://www.blogger.com/profile/06138911994667065764noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-1956723026951919712022-10-25T08:11:31.083+08:002022-10-25T08:11:31.083+08:00正解正解Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-50331747964322785592022-10-24T22:17:51.626+08:002022-10-24T22:17:51.626+08:001,2 都是答案. 計算方法把 2/(分母),分母設為 x,原式變成 3-2/x = x。解方程...1,2 都是答案. 計算方法把 2/(分母),分母設為 x,原式變成 3-2/x = x。解方程式,x=1 或 2行天下https://www.blogger.com/profile/04992727596324526135noreply@blogger.com