曲线,在点(1,-1)处的切线方程为() A.y=x-2 B.y=-3x+2 C.y 发布时间:2017-06-20 22:46 │ 来源:www.tikuol.com 题型:单项选择题 问题: 曲线,在点(1,-1)处的切线方程为()A.y=x-2B.y=-3x+2C.y=2x-3D.y=-2x+1
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题型:单项选择题 System analysis is traditionally done top-down using structured analysis based on______。A.data inheritance B.functional decompositionC.object abstraction D.information generalization 查看答案