kf8098 发表于 2008-9-24 18:56:13

题请求斑竹解答:还原第二层最后一个楞块时遇到的问

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT color=#000000>还原第二层最后一个楞块时出现了这样的情况:红绿块位置正确,</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT color=#000000>但是,颜色不对,如下图所示:</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=#000000><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">然后按照教程:<B style="mso-bidi-font-weight: normal">从顶层随便找个块“还原”到前右的位置,</B></SPAN><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></B></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=#000000><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">那红绿块自然就移到顶层(被替换出来了)</SPAN></B><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">,操作后</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT color=#000000>如下图所示:</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT color=#000000>“<B style="mso-bidi-font-weight: normal">接着适当转顶层就会出现步骤二开头介绍的两种情况之一</B>”</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT color=#000000>我的问题是:<B style="mso-bidi-font-weight: normal">怎样适当转顶层才会出现步骤二开头介绍的两种情况之一</B>?</FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=#000000><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">假设:红面为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">F</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、绿面为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">R</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">、黄面为</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">U</FONT></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><FONT color=#000000>那怎样转动才能把<B style="mso-bidi-font-weight: normal">红绿块</B>弄到他的正确位置呢?请写出转法。</FONT></SPAN></P>

Bin 发表于 2008-9-24 19:08:55

呵呵 这个问题简单 把顶层转一下(U) 就会发现红色对好了 然后可以用公式(F U F U F U'&nbsp;F' U’ F’)了<IMG alt="<img" src="http://bbs.mf8-china.com/images/smilies/default/smile.gif" border=0 smilieid="1"> 楼主魔方很漂亮,贴纸贴的很细致<IMG alt="<img" src="http://bbs.mf8-china.com/images/smilies/default/smile.gif" border=0 smilieid="1">

[ 本帖最后由 Bin 于 2008-9-24 19:14 编辑 ]

kf8098 发表于 2008-9-24 19:51:22

哎呀,谢谢Bin,按你的方法,拧成了,好高兴。

kexin_xiao 发表于 2008-9-25 09:03:40

层先的公式也要活用啊,逐渐理解和掌握吧

齐白 发表于 2008-9-27 14:49:57

那还中如做这个公式来的方便和顺手,接你上图的那种情况,红面对着自己,做以下的公式,u y' (r u r u r )(u' r')( u' r')
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