>公式中的大小写有什么影响?比如说 <FONT color=#000000><SPAN lang=EN-US style="FONT-FAMILY: BatangChe; mso-bidi-font-size: 10.5pt">r'(R2 U R' U)(R </SPAN><SPAN lang=EN-US style="FONT-FAMILY: BatangChe; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">U'</SPAN><U><SPAN lang=EN-US style="FONT-FAMILY: BatangChe; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-fareast-font-family: 宋体">U</SPAN></U><SPAN lang=EN-US style="FONT-FAMILY: BatangChe; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">'</SPAN><SPAN lang=EN-US style="FONT-FAMILY: BatangChe; mso-bidi-font-size: 10.5pt"> R' U)</SPAN><SPAN lang=EN-US style="FONT-FAMILY: BatangChe; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体">ffice<IMG alt=
src="http://bbs.mf8-china.com/images/smilies/default/shocked.gif" border=0 smilieid="6">ffice" /><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
ffice
ffice" /><o:p></o:p></SPAN></FONT><FONT color=#000000><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: BatangChe; 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">(r R')</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: BatangChe; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> 是怎么转的?还有,公式中加()是什么意思?括号后面加个2又是什么意思?</SPAN></FONT></P>
><FONT color=#000000><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: BatangChe; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"></SPAN></FONT> </P>
><FONT color=#000000><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: BatangChe; mso-bidi-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"></SPAN></FONT> </P>| 欢迎光临 魔方吧·中文魔方俱乐部 (http://bbs.mf8-china.com/) | Powered by Discuz! X2 |