In the company of Eileen luck has always been in the us
题目
In the company of Eileen luck has always been in the us
Efforts to adhere to yearn for a happy sunshine I wish you a happy I have a good life
这个什麼意思?
答案
语法错误,没有标点符号
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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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