(2/2)1/333) 简便计算过程,/是分数线,÷是除号
问题描述:
(2/2)1/333) 简便计算过程,/是分数线,÷是除号
答
原式=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