命题“对任意的x∈R，x3－x2＋1≤0”的否定是( ) A．不存在x∈R，x3－

命题“对任意的x∈R，x³－x²＋1≤0”的否定是(　　)

A．不存在x∈R，x³－x²＋1≤0 B．存在x∈R，x³－x²＋1≤0

C．存在x∈R，x³－x²＋1>0 D．对任意的x∈R，x³－x²＋1>0

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命题“对任意的x∈R，x3－x2＋1≤0”的否定是( ) A．不存在x∈R，x3－

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