早上刚刚学了换元和配凑法,可还是云里雾里的.若g(x+2)=2x+3,g(3)的值是?这应该是个简单题,可是我对于这个类型的题目不太理解.
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![早上刚刚学了换元和配凑法,可还是云里雾里的.若g(x+2)=2x+3,g(3)的值是?这应该是个简单题,可是我对于这个类型的题目不太理解.](/uploads/image/z/7199803-19-3.jpg?t=%E6%97%A9%E4%B8%8A%E5%88%9A%E5%88%9A%E5%AD%A6%E4%BA%86%E6%8D%A2%E5%85%83%E5%92%8C%E9%85%8D%E5%87%91%E6%B3%95%2C%E5%8F%AF%E8%BF%98%E6%98%AF%E4%BA%91%E9%87%8C%E9%9B%BE%E9%87%8C%E7%9A%84.%E8%8B%A5g%28x%2B2%29%3D2x%2B3%2Cg%283%29%E7%9A%84%E5%80%BC%E6%98%AF%3F%E8%BF%99%E5%BA%94%E8%AF%A5%E6%98%AF%E4%B8%AA%E7%AE%80%E5%8D%95%E9%A2%98%2C%E5%8F%AF%E6%98%AF%E6%88%91%E5%AF%B9%E4%BA%8E%E8%BF%99%E4%B8%AA%E7%B1%BB%E5%9E%8B%E7%9A%84%E9%A2%98%E7%9B%AE%E4%B8%8D%E5%A4%AA%E7%90%86%E8%A7%A3.)
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