设f(x)在(a,b)内连续,则在(a,b)内f(x)(). A.必有最大值与最小值 发布时间:2017-08-03 10:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 设f(x)在(a,b)内连续,则在(a,b)内f(x)().A.必有最大值与最小值B.最大值与最小值中至少有一个C.不可能有最大值和最小值D.最大值与最小值可能有也可能没有
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