the depth of loss comes later,when the sun rises and you realise that this new day 求出处
题目
the depth of loss comes later,when the sun rises and you realise that this new day 求出处
the depth of loss comes later,when the sun rises and you realise that this new day and all the days of your life to come will be without her
答案
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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