对实数a和b,定义运算*:a*b={a,a-b小于等于1 b,a-b大于1,设函数f(x)=(x^2-2)*(x-x^2),x属于R,对实数a和b,定义运算*:a*b={a,a-b小于等于1 b,a-b大于1,设函数f(x)=(x^2-2)*(x-x^2),x属于R,若函数y=f(x)-c的图像与x轴
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![对实数a和b,定义运算*:a*b={a,a-b小于等于1 b,a-b大于1,设函数f(x)=(x^2-2)*(x-x^2),x属于R,对实数a和b,定义运算*:a*b={a,a-b小于等于1 b,a-b大于1,设函数f(x)=(x^2-2)*(x-x^2),x属于R,若函数y=f(x)-c的图像与x轴](/uploads/image/z/305401-49-1.jpg?t=%E5%AF%B9%E5%AE%9E%E6%95%B0a%E5%92%8Cb%2C%E5%AE%9A%E4%B9%89%E8%BF%90%E7%AE%97%2A%EF%BC%9Aa%2Ab%3D%7Ba%2Ca-b%E5%B0%8F%E4%BA%8E%E7%AD%89%E4%BA%8E1+b%2Ca-b%E5%A4%A7%E4%BA%8E1%2C%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3D%28x%5E2-2%29%2A%28x-x%5E2%29%2Cx%E5%B1%9E%E4%BA%8ER%2C%E5%AF%B9%E5%AE%9E%E6%95%B0a%E5%92%8Cb%2C%E5%AE%9A%E4%B9%89%E8%BF%90%E7%AE%97%2A%EF%BC%9Aa%2Ab%3D%7Ba%2Ca-b%E5%B0%8F%E4%BA%8E%E7%AD%89%E4%BA%8E1++b%2Ca-b%E5%A4%A7%E4%BA%8E1%2C%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3D%28x%5E2-2%29%2A%28x-x%5E2%29%2Cx%E5%B1%9E%E4%BA%8ER%2C%E8%8B%A5%E5%87%BD%E6%95%B0y%3Df%28x%29-c%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8Ex%E8%BD%B4)
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