英语翻译
题目
英语翻译
(翻译) There was once a little boy with a bad temper.He often had fights with his friend.One day,his father gave him a bag of nails and told him to hammer a nail into the fence every time he lost his temper.The boy listened to his father and did what his father told him to do.
答案
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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