I want to study abroad,but i dont know whether country is ok?i want to learn chamistry?give hint!
题目
I want to study abroad,but i dont know whether country is ok?i want to learn chamistry?give hint!
i need wide subject it is easy to transfor the subject!please give a advice!i need specify answer!
答案
Would you want to study abroad,I think you need to improve your English first.
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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