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

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 22:36:23
﹙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﹚×﹙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﹚×﹙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+1/5+1﹚=1+⅓+1/5=23/15