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函数Y=2x3-6x2+7的单调减区间是() (A)(-∞,0) (B)(0,2) (C)(2,+∞) (D)(-2,4)
函数Y=2x3-6x2+7的单调减区间是() (A)(-∞,0) (B)(0,2) (C)(2,+∞) (D)(-2,4)
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函数Y=2x3-6x2+7的单调减区间是() (A)(-∞,0) (B)(0,2) (C)(2,+∞) (D)(-2,4)
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