﹙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﹚
答
﹙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...