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<P><FONT face=宋体 color=black>练习翻角时发现两个公式可实现同面任意三角的顺翻或逆翻,如下:</FONT></P>
<P><FONT face=宋体 color=black></FONT> </P>
<P><FONT face=宋体 color=black>角编码按老大教程的方法</FONT></P>
<P><FONT face=宋体 color=black></FONT> </P>
<P><FONT face=宋体><FONT color=black>顺翻公式 RUR'<U>U'</U> 以下用<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; 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">①表示</SPAN></FONT></FONT></P>
<P><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; 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"><FONT color=black>逆翻公式 R<U>U'</U>R'U 以下用<SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; 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">②表示</SPAN></FONT></SPAN></P>
<P><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; 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"><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; 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"><FONT color=black></FONT></SPAN></SPAN> </P><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; 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"><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; 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">
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">同面任意</SPAN><SPAN lang=EN-US><FONT face="Times New Roman">3</FONT></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">角顺翻公式(以下是底面的角,魔方整体翻转可实现任意面到底面)</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN lang=EN-US style="FONT-FAMILY: 宋体">567</SPAN><SPAN style="FONT-FAMILY: 宋体">角:<SPAN lang=EN-US>D</SPAN>+(①×<SPAN lang=EN-US>2</SPAN>+<SPAN lang=EN-US>D</SPAN>)×<SPAN lang=EN-US>3<SPAN style="mso-spacerun: yes"> </SPAN></SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN style="FONT-FAMILY: 宋体"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"></SPAN></SPAN></SPAN></FONT><FONT color=black><SPAN lang=EN-US style="FONT-FAMILY: 宋体">568</SPAN><SPAN style="FONT-FAMILY: 宋体">角:(①×<SPAN lang=EN-US>2</SPAN>+<SPAN lang=EN-US>D</SPAN>)×<SPAN lang=EN-US>3</SPAN>+<SPAN lang=EN-US>D<SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="mso-spacerun: yes"> </SPAN></SPAN>注:即<SPAN lang=EN-US>567</SPAN>角公式的<SPAN lang=EN-US>D</SPAN>放到最后</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN style="FONT-FAMILY: 宋体"></SPAN></FONT><FONT color=black><SPAN lang=EN-US style="FONT-FAMILY: 宋体">578</SPAN><SPAN style="FONT-FAMILY: 宋体">角:<SPAN lang=EN-US>D’</SPAN>+(①×<SPAN lang=EN-US>2</SPAN>+<SPAN lang=EN-US>D’</SPAN>)×<SPAN lang=EN-US>3<SPAN style="mso-spacerun: yes"> </SPAN></SPAN>注:即<SPAN lang=EN-US>567</SPAN>角公式的<SPAN lang=EN-US>D</SPAN>换成<SPAN lang=EN-US>D’</SPAN></SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN style="FONT-FAMILY: 宋体"><SPAN lang=EN-US></SPAN></SPAN></FONT><FONT color=black><SPAN lang=EN-US style="FONT-FAMILY: 宋体">678</SPAN><SPAN style="FONT-FAMILY: 宋体">角:<SPAN lang=EN-US>2D</SPAN>+(①×<SPAN lang=EN-US>2</SPAN>+<SPAN lang=EN-US>D</SPAN>)×<SPAN lang=EN-US>2</SPAN>+①×<SPAN lang=EN-US>2 <SPAN style="mso-spacerun: yes"> </SPAN></SPAN>注:即<SPAN lang=EN-US>567</SPAN>角公式的最后一个<SPAN lang=EN-US>D</SPAN>放到前面</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN style="FONT-FAMILY: 宋体"></SPAN></FONT> </P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN style="FONT-FAMILY: 宋体">把上术公式的</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">①换成②,可实现</SPAN><SPAN style="FONT-FAMILY: 宋体">同面任意<SPAN lang=EN-US>3</SPAN>角的逆翻。</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN style="FONT-FAMILY: 宋体"></SPAN></FONT><FONT color=black><SPAN lang=EN-US style="FONT-FAMILY: 宋体">Gun</SPAN><SPAN style="FONT-FAMILY: 宋体">的公式,很好记!很顺手!</SPAN></FONT></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT color=black><SPAN style="FONT-FAMILY: 宋体"></SPAN></FONT><SPAN style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; 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"><FONT color=black>再把<SPAN lang=EN-US>D </SPAN>的顺序调换一下,可实现同面任意两角的一逆一顺翻转。</FONT></SPAN></SPAN></SPAN></P>
[ 本帖最后由 szlgmjf 于 2008-7-23 11:22 编辑 ] |
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