3000/(x-3)-3000/x

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/31 18:48:04
3000/(x-3)-3000/x

3000/(x-3)-3000/x
3000/(x-3)-3000/x

3000/(x-3)-3000/x
3000/(x-3)-3000/x
=【3000x-3000(x-3)】/x(x-3)
=9000/(x²-3x)