﹙1+½+⅓+¼+1/5﹚×﹙⅓+1/5+1﹚-

问题描述:

﹙1+½+⅓+¼+1/5﹚×﹙⅓+1/5+1﹚-
﹙1+⅓+1/5﹚×﹙½+⅓+¼+1/5﹚

﹙1+½+⅓+¼+1/5﹚×﹙⅓+1/5+1﹚-﹙1+⅓+1/5﹚×﹙½+⅓+¼+1/5﹚=【﹙1+½+⅓+¼+1/5)-﹙½+⅓+¼+1/5)】×﹙⅓...