腦力激盪的時間到了... (血糖太低勿入)

捷運出題國小數學難解 連碩畢生都被考倒<br /> <br /> 附原新聞連結http://www.ettoday.net/news/20120910/100468.htm?from=fb_et_news<br /> <br /> <br /> <a _alt="" href="http://forum.fashionguide.com.tw/upload_image/forum/1/6/3/2/201209101746520.jpg" id="http://forum.fashionguide.com.tw/upload_image/forum/1/6/3/2/201209101746520.jpg?post_id=13094493" name="linkImg" target="_blank" onclick="return LoadImg(this.id);"><img border="0" alt="" src="http://forum.fashionguide.com.tw/i/showThePic.jpg" onload="java:if(this.width>500) this.width=500;"></a><br /> <br /> <span style="font-size: medium; ">答案是ㄅ=2</span><br /> <span style="font-size: medium; "><br /> 解法:</span><br /> <br /> <span style="font-size: medium; ">a+b+c+d+e+f+g+h+i-ㄅ<span style="color: rgb(255, 0, 0); ">+2ㄅ</span> = 2012<span style="color: rgb(255, 0, 0); ">+2ㄅ<br /> </span>a+b+c+d+e+f+g+h+i+ㄅ = 2012+2ㄅ<br /> 45 = 2012+2ㄅ<br /> <br /> 左右同取mod 9 <br /> 0 = 5 + {(2ㄅ)取mod9} <span style="color: rgb(0, 0, 255); "> (45/9餘數=0 ; 2012/9餘數=5)</span><br /> (2ㄅ)取mod9 = -5<br /> (2ㄅ)取mod9 = 4   <span style="color: rgb(0, 0, 255); ">(2ㄅ mod9=(2ㄅ+9)mod9)</span><br /> <br /> 故2ㄅ = 4 or 13 or 22 ..... <br /> <br /> >>><u>ㄅ = 2 or 6.5 or 11....(只有2合)</u></span><span style="font-size: large; "><br /> <br /> <span style="font-size: medium; ">應該是這樣沒錯...</span><br /> -------------------------------------------------------------------<br /> <br /> <br /> <span style="font-size: medium; ">結論:<br /> 浪費我30分鐘,害我現在肚子很餓...<br /> 我國小連mod是什麼都不知道...<br /> </span><span style="font-size: medium; ">分明就是補習班招生要騙家長的花招!!</span><br /> </span><br /> <br /> <br type="_moz" /> <br />
  • <blockquote style="border-left: #999 2px solid; margin: 1em 3em; padding-left: 1em; color: #999"><span style="font-size: medium"><br /> 解法:</span><br /> <br /> <span style="font-size: medium">a+b+c+d+e+f+g+h+i-ㄅ<span style="color: rgb(255,0,0)">+2ㄅ</span> = 2012<span style="color: rgb(255,0,0)">+2ㄅ<br /> </span>a+b+c+d+e+f+g+h+i+ㄅ = 2012+2ㄅ<br /> 45 = 2012+2ㄅ<br /> <br /> 左右同取mod 9 <br /> 0 = 5 + {(2ㄅ)取mod9} <span style="color: rgb(0,0,255)"> (45/9餘數=0 ; 2012/9餘數=5)</span><br /> (2ㄅ)取mod9 = -5<br /> (2ㄅ)取mod9 = 4   <span style="color: rgb(0,0,255)">(2ㄅ mod9=(2ㄅ+9)mod9)</span><br /> <br /> 故2ㄅ = 4 or 13 or 22 ..... <br /> <br /> >>><u>ㄅ = 2 or 6.5 or 11....(只有2合)</u></span><br /> </blockquote><br /> 解法的第二行以後我就不會了.....<br /> <br /> 好遜......看不懂阿!!!!!
  • 啊? 我什麼時候發了這篇文??????<br /> <br /> 還有妳是那位視覺XX嗎?  我忘記ID了,就史努比的那位?<br /> <br /> 還是妳是史努比的雙胞胎妹妹,史迪奇?<img src="http://forum.fashionguide.com.tw/fckeditor/editor/images/fg/fgicon_4.gif" alt="" /><br type="_moz" />
  • <blockquote style="border-left: #999 2px solid; margin: 1em 3em; padding-left: 1em; color: #999">考試100分 之話: <br /> <br /> 啊? 我什麼時候發了這篇文??????<br /> <br /> 還有妳是那位視覺XX嗎?  我忘記ID了,就史努比的那位?<br /> <br /> 還是妳是史努比的雙胞胎妹妹,史迪奇?<img alt="" src="http://forum.fashionguide.com.tw/fckeditor/editor/images/fg/fgicon_4.gif" /><br type="_moz" /> </blockquote><br /> <br /> 我跑到內頁<img alt="" src="http://forum.fashionguide.com.tw/fckeditor/editor/images/fg/fgicon_29.gif" /><br /> <br /> 沒錯!!!!!!!我就是神來也視覺xx是也~~~~~<br /> <br /> 要是我有雙胞胎妹妹跟我長一模一樣,我希望是考試100分,這樣我一定每次考試成績不低於100<br /> <br /> <br /> 話說,我被停權了..........<img alt="" src="http://forum.fashionguide.com.tw/fckeditor/editor/images/fg/fgicon_33.gif" />
  • <blockquote style="border-left: #999 2px solid; margin: 1em 3em; padding-left: 1em; color: #999">小水甘雅 之話: <br /> <br /> <br /> 我跑到內頁<img alt="" src="http://forum.fashionguide.com.tw/fckeditor/editor/images/fg/fgicon_29.gif" /><br /> <br /> 沒錯!!!!!!!我就是神來也視覺xx是也~~~~~<br /> <br /> 要是我有雙胞胎妹妹跟我長一模一樣,我希望是考試100分,這樣我一定每次考試成績不低於100<br /> <br /> <br /> 話說,我被停權了..........<img alt="" src="http://forum.fashionguide.com.tw/fckeditor/editor/images/fg/fgicon_33.gif" /></blockquote>考試100分只能是雙胞胎哥哥<img src="http://forum.fashionguide.com.tw/fckeditor/editor/images/fg/fgicon_33.gif" alt="" /><br /> <br /> 停權是因為...PO大頭照被網友羨慕檢舉?<img src="http://forum.fashionguide.com.tw/fckeditor/editor/images/fg/fgicon_29.gif" alt="" /><br type="_moz" />
  • 吃驚??
    吃驚??
    突然發現~某小姐好多話題跟留言都不見了!!莫非又是XXX.....
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