His parents like living in Shanghai because it is very exiting.用why对because it is very exiting提问
题目
His parents like living in Shanghai because it is very exiting.用why对because it is very exiting提问
答案
Why do his parents like living in Shanghai
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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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