(1/2)123÷123又123/332＋(2/333＋4/333＋6/333＋…332/333)-(1/333＋3/333＋5/333＋…33
问题描述：
(1/2)123÷123又123/332＋(2/333＋4/333＋6/333＋…332/333)-(1/333＋3/333＋5/333＋…33
答
原试=123/[123+123/332]+[2/333-1/333]+[4/333-3/333]+...+[332/333-331/333]
=123/[123(1+1/332]+[1/333]*166
=1/[333/332]+166/333
=332/333+166/333
=[332+166]/333
=498/333
=166/111