﹙1½+½+⅓+¼﹚÷﹙½+⅓+¼﹚

来源：学生作业帮助网编辑：作业帮时间：2024/11/17 02:41:16

﹙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