﹙1½+½+⅓+¼﹚÷﹙½+⅓+¼﹚

来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/30 12:16:32
﹙1½+½+⅓+¼﹚÷﹙½+⅓+¼﹚﹙1½+½+⅓+¼﹚÷﹙½+͕

﹙1½+½+⅓+¼﹚÷﹙½+⅓+¼﹚
﹙1½+½+⅓+¼﹚÷﹙½+⅓+¼﹚

﹙1½+½+⅓+¼﹚÷﹙½+⅓+¼﹚
=(18/12+6/12+4/12+3/12)÷(6/12+4/12+3/12)
=31/12÷13/12
=31/12x12/13
=31/13