已知函数f(x)=|x-1|+|x-2|.(1)求函数f(x)的最小值; (2)已知k为非零常数,若不等式|t-k|+|t+k|大于等于|k|f已知函数f(x)=|x-1|+|x-2|.(1)求函数f(x)的最小值;(2)已知k为非零常数,若不等式|t-k|+|t+k|大于等于|k|f(x)
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![已知函数f(x)=|x-1|+|x-2|.(1)求函数f(x)的最小值; (2)已知k为非零常数,若不等式|t-k|+|t+k|大于等于|k|f已知函数f(x)=|x-1|+|x-2|.(1)求函数f(x)的最小值;(2)已知k为非零常数,若不等式|t-k|+|t+k|大于等于|k|f(x)](/uploads/image/z/2520067-67-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D%7Cx-1%7C%2B%7Cx-2%7C.%281%29%E6%B1%82%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%3B+%282%29%E5%B7%B2%E7%9F%A5k%E4%B8%BA%E9%9D%9E%E9%9B%B6%E5%B8%B8%E6%95%B0%2C%E8%8B%A5%E4%B8%8D%E7%AD%89%E5%BC%8F%7Ct-k%7C%2B%7Ct%2Bk%7C%E5%A4%A7%E4%BA%8E%E7%AD%89%E4%BA%8E%7Ck%7Cf%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D%7Cx-1%7C%2B%7Cx-2%7C.%281%29%E6%B1%82%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%3B%282%29%E5%B7%B2%E7%9F%A5k%E4%B8%BA%E9%9D%9E%E9%9B%B6%E5%B8%B8%E6%95%B0%2C%E8%8B%A5%E4%B8%8D%E7%AD%89%E5%BC%8F%7Ct-k%7C%2B%7Ct%2Bk%7C%E5%A4%A7%E4%BA%8E%E7%AD%89%E4%BA%8E%7Ck%7Cf%28x%29)
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