排列 need that do to today work you finish not
题目
排列 need that do to today work you finish not
排列 need that do to today work you finish not
答案
You do not need to finish that work today.
举一反三
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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