请教:2011年成人高考《高等数学一》预测试卷(9)第1大题第1小题如何解答?

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【题目描述】

第 1 题

【我提交的答案】: D【参考答案与解析】:

正确答案:C答案分析:

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参考答案:

详细解析答案请见附件,有其他的什么问题咱们可以一起探讨解决!