还有一道:已知|2m-4|+|9n-3|=0.求n-m的值.
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还有一道:已知|2m-4|+|9n-3|=0.求n-m的值.
![](http://img.wesiedu.com/upload/e/2b/e2b2292ee5f5d398eb246c094d3247fa.jpg)
![](http://img.wesiedu.com/upload/e/2b/e2b2292ee5f5d398eb246c094d3247fa.jpg)
![还有一道:已知|2m-4|+|9n-3|=0.求n-m的值.](/uploads/image/z/19087495-7-5.jpg?t=%E8%BF%98%E6%9C%89%E4%B8%80%E9%81%93%3A%E5%B7%B2%E7%9F%A5%7C2m-4%7C%2B%7C9n-3%7C%3D0.%E6%B1%82n-m%E7%9A%84%E5%80%BC.)
![](http://img.wesiedu.com/upload/b/40/b401f1185ac4cce572ca24ec70846c26.jpg)
再问: 还有一道题呢?
再答: 等
再答:
![](http://img.wesiedu.com/upload/d/93/d93ee47ef1d5ac9acc072be8f483629e.jpg)
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