题目内容：
设函数f(x)=的最大值为M，最小值为m，则M+m=________
参考答案：
答案解析：
填空题：设函数f(x)=的最大值为M，最小值为m，则M+m=________
- 题目分类：数学(文科)
- 题目类型：填空题
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[A]help[B]hope[C]tell
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Whatdoesthemanmean?
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