tag:blogger.com,1999:blog-3550204829234352390.post4138004569313583727..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 173 ─ 求解 x 方程式Bridanhttp://www.blogger.com/profile/17055047757114667099noreply@blogger.comBlogger8125tag:blogger.com,1999:blog-3550204829234352390.post-77386912020596604422018-05-11T20:48:18.931+08:002018-05-11T20:48:18.931+08:00嗯,如果外界知道國文老師帶小朋友參加奧數比賽,一定會很訝異,^_^嗯,如果外界知道國文老師帶小朋友參加奧數比賽,一定會很訝異,^_^Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-23708056685976006332018-05-11T10:30:25.122+08:002018-05-11T10:30:25.122+08:00今年有去帶隊,只是做後勤工作,沒有指導學生今年有去帶隊,只是做後勤工作,沒有指導學生flyingdustshttps://www.blogger.com/profile/10543166743971149568noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-40605744622622110602018-05-10T20:23:39.656+08:002018-05-10T20:23:39.656+08:00嗯,老師有帶過同學參加奧數比賽過嗎?嗯,老師有帶過同學參加奧數比賽過嗎?Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-8618895905180867572018-05-10T08:01:06.415+08:002018-05-10T08:01:06.415+08:00一般2009年奧賽題目的答案就是2009,2018年通常就是2018一般2009年奧賽題目的答案就是2009,2018年通常就是2018flyingdustshttps://www.blogger.com/profile/10543166743971149568noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-9767202549473325952018-05-09T20:02:36.415+08:002018-05-09T20:02:36.415+08:00謝謝老師提供小學生解法,因為是代數,代入符合條件的數值,就可以找到答案,讚!謝謝老師提供小學生解法,因為是代數,代入符合條件的數值,就可以找到答案,讚!Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-35723265017802299942018-05-09T18:37:15.704+08:002018-05-09T18:37:15.704+08:00把符合條件的a=b=c=1代入:
得出x=2009
小學奧賽的填空題一般都是這個思路解答。把符合條件的a=b=c=1代入:<br />得出x=2009<br />小學奧賽的填空題一般都是這個思路解答。flyingdustshttps://www.blogger.com/profile/10543166743971149568noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-73056625551739938072018-05-08T22:35:02.070+08:002018-05-08T22:35:02.070+08:00這對初學代數的學生是一個很好的練習,看出眉角,計算就簡單多了。這對初學代數的學生是一個很好的練習,看出眉角,計算就簡單多了。Bridanhttps://www.blogger.com/profile/17055047757114667099noreply@blogger.comtag:blogger.com,1999:blog-3550204829234352390.post-16895715126355678962018-05-08T20:52:43.898+08:002018-05-08T20:52:43.898+08:00哈,奇妙的擴分。哈,奇妙的擴分。.https://www.blogger.com/profile/16677804023065232981noreply@blogger.com