最上层棱块
我已欢还原完底下两层,该最后一层了,想问一下棱块顺,逆时针转的公式,顺便问一下下面这个图的转法(图的下面是前),要最简单的!!!<IMG alt="" src="http://bbs.mf8-china.com/images/smilies/default/handshake.gif" border=0 smilieid="17"> <IMG src="http://static11.photo.sina.com.cn/bmiddle/4dcbbdfbfd23dc3f5679a" border=0> 看不到图片~~~~~~~~ <P>帮你贴图了</P><P>我给你两个公式,不过我看不懂你箭头的意思,箭头不是很完整</P>
<P><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-font-kerning: 0pt">F(RUR’U’)3</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">F’</SPAN></B></P>
<P><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: BatangChe">f( R U R' U') f' F (R UR'U' )F'</SPAN></SPAN></B></P>
<P><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: BatangChe"></SPAN></SPAN></B> </P>
<P><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: BatangChe"><FONT color=black>反正肯定能用上面的公式解决,虽然长,但是顺手,很顺手</FONT></SPAN></SPAN></B></P>
<P><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: BatangChe"></SPAN></SPAN></B> </P> 晕了,看不到楼主贴的图啊 底下两层搞定了,应该先做十字啊! 看不到图,最后可以先十字,再角块,再棱块 <P>这两图正是第三层架好十字后,角块要调整位置的可能情况中的两种,图中没有箭头的两个角块表示此时此刻位置正确。此时不必管棱块的位置问题,以后还要调棱。图1,转一下顶层(U或U')即变成三角块要求轮换的情况;图2只要取合适的顶层方位,做一遍三角轮换,即变成图1情况。故总共做两次三角轮换。当然,所用的三角轮换公式至少不能翻棱块的颜色,以免返工架十字。角块的翻色问题由后面另一大步骤解决。</P>
<P> </P>
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[ 本帖最后由 乌木 于 2008-9-26 16:34 编辑 ] 还有,题目应该改为“……角块”。 看到大家发点图了,第一种情况我感觉用盲拧公式比较好操作。 看不到楼主贴的图:Q :Q
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