product has been seated for your protection,Do not use if seal on cap is broken,contains
题目
product has been seated for your protection,Do not use if seal on cap is broken,contains
答案
为了保护您的利益,该产品已被密封,如果封口或盖子损坏,请勿使用.
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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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