﹙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:六六作业网 时间:2024/11/21 21:28:48
﹙1+½+⅓+¼+1/5﹚×﹙⅓+1/5+1﹚-﹙1+⅓+1/5﹚×﹙½+⅓+¼+1/5﹚﹙1+½+&
﹙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