曲线f(x)=xex在点(1,f(1))处的切线方程为( ) A.2ex-y-e 发布时间:2017-04-12 10:31 │ 来源:www.tikuol.com 题型:选择题 问题: 曲线f(x)=xex在点(1,f(1))处的切线方程为( )A.2ex-y-e=0B.2ex-y+e=0C.(1+e) x-y-1=0D.ex-y=0
题型:选择题 The classroom ______ every day. [ ]A. should clean B. should be cleaned C. should cleaned D. should be cleaning 查看答案