求函数解析式用消去法解答图片这题是一个老师的答案,没看懂.我的教材书上的解法和老师的有点布一样.比如这题:若3f(X-1)+2f(1-x)=2x 求F(x)令t=x-1 则x=t+1则有:3f(t)+2f(-t)=2(t+1) ①以-t代t 则
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![求函数解析式用消去法解答图片这题是一个老师的答案,没看懂.我的教材书上的解法和老师的有点布一样.比如这题:若3f(X-1)+2f(1-x)=2x 求F(x)令t=x-1 则x=t+1则有:3f(t)+2f(-t)=2(t+1) ①以-t代t 则](/uploads/image/z/11324307-3-7.jpg?t=%E6%B1%82%E5%87%BD%E6%95%B0%E8%A7%A3%E6%9E%90%E5%BC%8F%E7%94%A8%E6%B6%88%E5%8E%BB%E6%B3%95%E8%A7%A3%E7%AD%94%E5%9B%BE%E7%89%87%E8%BF%99%E9%A2%98%E6%98%AF%E4%B8%80%E4%B8%AA%E8%80%81%E5%B8%88%E7%9A%84%E7%AD%94%E6%A1%88%2C%E6%B2%A1%E7%9C%8B%E6%87%82.%E6%88%91%E7%9A%84%E6%95%99%E6%9D%90%E4%B9%A6%E4%B8%8A%E7%9A%84%E8%A7%A3%E6%B3%95%E5%92%8C%E8%80%81%E5%B8%88%E7%9A%84%E6%9C%89%E7%82%B9%E5%B8%83%E4%B8%80%E6%A0%B7.%E6%AF%94%E5%A6%82%E8%BF%99%E9%A2%98%EF%BC%9A%E8%8B%A53f%28X-1%29%2B2f%281-x%29%3D2x+%E6%B1%82F%EF%BC%88x%EF%BC%89%E4%BB%A4t%3Dx-1+%E5%88%99x%3Dt%2B1%E5%88%99%E6%9C%89%EF%BC%9A3f%28t%29%2B2f%28-t%29%3D2%28t%2B1%29+%E2%91%A0%E4%BB%A5-t%E4%BB%A3t+%E5%88%99)
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