what are you going to do on your holiday?的作文
题目
what are you going to do on your holiday?的作文
是作文啊,
答案
Here comes my holiday! I have lots of plans for this holiday. Of course I am going to finish my homework first! I am also going to preview some of my courses for the next semester if possible. Then I ...
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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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