【单选题】设函数y=f(x)在点x 处可导,且 ,则曲线y=f(x)在点(x ,f(x ))处的切线对x轴正向的倾角是 【单选题】设函数y=f(x)在点x 处可导,且 ,则曲线y=f(x)在点(x ,f(x ))处的切线对x轴正向的倾角是 发布时间:2025-06-05 21:01:09