5 Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.206.41 1609992724 2021/01/07 13:12: 4 (1)\\ (2+\sqrt{3}+\sqrt{7})(2+\sqrt{3}-\sqrt{7})\\ =\{(2+\sqrt{3})+\sqrt{7}\} \{(2+\sqrt{3})-\sqrt{7}\}\\ =(2+\sqrt{3})^2-(\sqrt{7})^2\\ =4+4\sqrt{3}+3-7\\ =4\sqrt{3} 4 変換(アンチエイリアス) <IMG SRC="../cgi-cache/20210107_130749.gif"> 正常に処理されました 20210107_130749 Thu Jan 7 13:12:04 2021