tag:blogger.com,1999:blog-3550204829234352390.post4030806572485389445..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 16 ─ What time is it?Bridanhttp://www.blogger.com/profile/17055047757114667099noreply@blogger.comBlogger18125tag:blogger.com,1999:blog-3550204829234352390.post-51097458131914321872016-06-21T21:20:44.332+08:002016-06-21T21:20:44.332+08:00你確實觀察到別人沒注意的90度角,這題應該說沒有標準答案,而是看答案是否說得通來比較好壞,因為前面給...你確實觀察到別人沒注意的90度角,這題應該說沒有標準答案,而是看答案是否說得通來比較好壞,因為前面給定的項目較少,所以答案有很多種可能,我覺得可以再想想。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-40397242964194603572016-06-21T11:46:45.187+08:002016-06-21T11:46:45.187+08:00答案是21:32對嗎?
推理如下
3:00 指針式呈現第1個直角,
9:32 指針式呈現第2個直...答案是21:32對嗎?<br />推理如下<br />3:00 指針式呈現第1個直角,<br />9:32 指針式呈現第2個直角,<br />12:16 指針式呈現第3個直角,(12=3+9(前2項的和))<br />21:32 指針式呈現第4個直角,(21=9+12(前2項的和))<br />只能想到這種解法,但不知是否正確?<br />不知這樣對不對?torahttps://www.blogger.com/profile/18268444958657978396noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-91970348090428262362014-08-17T13:12:25.093+08:002014-08-17T13:12:25.093+08:00謝謝詳盡說明推理過程,不過這並非最佳解,有兩點原因:
一、以小時推論小時為13.5,小數這部分它已經...謝謝詳盡說明推理過程,不過這並非最佳解,有兩點原因:<br />一、以小時推論小時為13.5,小數這部分它已經變動到分鐘的部分,會使分鐘推論呈現不規則。<br />二、分鐘推論數列規則為 +32 -16 +8 -4 +2 -1,只有前兩項推論後面,證據呈現不足。<br /><br />請再加油,建議改換方式來推理。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-17102084848961488252014-08-17T12:12:44.189+08:002014-08-17T12:12:44.189+08:00不好意思,以下為我的推論
時的部份為
3
--6
9
--3
12
--1.5
所以時的部分為13,...不好意思,以下為我的推論<br />時的部份為<br />3<br />--6<br />9<br />--3<br />12<br />--1.5<br />所以時的部分為13,而.5的部分則換算為30分鐘<br />分的部分<br />00<br />+32<br />32<br />-16<br />16<br />+8<br />24<br />數列規則應為00+32-16+8-4+2-1<br />所以我判斷分的部份為24<br />計算下來,則第四個時間應為<br />12:16<br />12-->12+1=13<br />16-->24+30=54<br />-->13:54<br />Anonymoushttps://www.blogger.com/profile/15190898767572744494noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-86714470902439994532014-08-17T11:08:42.138+08:002014-08-17T11:08:42.138+08:000,32,16並非等比遞減,請再加油。0,32,16並非等比遞減,請再加油。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-87482828562116971792014-08-17T11:05:57.824+08:002014-08-17T11:05:57.824+08:00請說明推理方法,謝謝。請說明推理方法,謝謝。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-67956175718225187662014-08-17T08:58:02.378+08:002014-08-17T08:58:02.378+08:0013:5413:54Anonymoushttps://www.blogger.com/profile/15190898767572744494noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-18012590534044690612014-06-05T18:00:15.965+08:002014-06-05T18:00:15.965+08:00說說看 18:48 是如何得出?說說看 18:48 是如何得出?Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-70919655566330134002014-06-05T12:12:33.080+08:002014-06-05T12:12:33.080+08:00可以分成兩個數列,時針一個,分針一個:
3,9,12,下一個應該是13.5,這是按等差數遞減的數列;...可以分成兩個數列,時針一個,分針一個:<br />3,9,12,下一個應該是13.5,這是按等差數遞減的數列;<br />0,32,16,下一個應該是8,這是按比遞減的數列;<br />13.5時,是13:30;<br />8分,是00:08;<br />加起來是13:38Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-82606885174446884132014-06-05T11:40:40.370+08:002014-06-05T11:40:40.370+08:0018:48
3:00-9:32 耗時6:32
9:32-12:16 耗時2:44
在想會不會是6:3...18:48<br />3:00-9:32 耗時6:32<br />9:32-12:16 耗時2:44<br />在想會不會是6:32 2:44來回這樣跳<br />其實只有三項猜第四項會有很多種可能....Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-34770406776132192442014-03-12T13:04:43.465+08:002014-03-12T13:04:43.465+08:00請說明您的推理方法,謝謝。請說明您的推理方法,謝謝。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-55302654591214653612014-03-12T12:30:39.057+08:002014-03-12T12:30:39.057+08:0021:48 ?21:48 ?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-50712148662741742212014-02-17T22:29:09.087+08:002014-02-17T22:29:09.087+08:00再想想,以指針式鐘錶思考比較容易獲得正確解答。再想想,以指針式鐘錶思考比較容易獲得正確解答。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-28739086151338981102014-02-17T16:14:27.344+08:002014-02-17T16:14:27.344+08:0021:2421:24Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-42327517640739286542014-02-03T13:48:04.447+08:002014-02-03T13:48:04.447+08:00新年快樂,歡迎你到此走走,這題要從其它角度想,再想想看。新年快樂,歡迎你到此走走,這題要從其它角度想,再想想看。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-25459198297473553942014-02-02T23:07:44.010+08:002014-02-02T23:07:44.010+08:0015:0815:08到處走走https://www.blogger.com/profile/03958210476399655618noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-9815641881024176622014-01-29T22:13:55.791+08:002014-01-29T22:13:55.791+08:00Mike,
再想想,先祝你新年快樂。Mike,<br /><br />再想想,先祝你新年快樂。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-61886267025151456342014-01-29T22:03:48.657+08:002014-01-29T22:03:48.657+08:0021:0821:08Mikenoreply@blogger.com