(x1-x2/x2x1)怎么化得1-(1/x2x1)

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 21:45:50

(x1-x2/x2x1)怎么化得1-(1/x2x1)
(x1-x2/x2x1)怎么化得1-(1/x2x1)

(x1-x2/x2x1)怎么化得1-(1/x2x1)
楼主这式子……