求英语作文The history of potato chip 80单词左右 急 请高手帮帮忙
题目
求英语作文The history of potato chip 80单词左右 急 请高手帮帮忙
答案
ip's place in the controversial obesity crisis,the book includes some investigation into the apocryphal origin story of Saratoga cook George Crum frying and salting thin slices of
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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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