Your IP address 58.39.140.173 is already downloading a file.You have to wait until it is finished
题目
Your IP address 58.39.140.173 is already downloading a file.You have to wait until it is finished
答案
由于你的IP地址( 58.39.140.173 )正在下载文件,你必须等到下载完成(才能进行相关操作).
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已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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