英语翻译
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英语翻译
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Bill Gates was born on 28th.Oct,1955 in Seatlle,America.He was very intelligent when he was young,and he liked math and computer very much.
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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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