True love is giving,not taking.Give as much as we take .One good deserves another
题目
True love is giving,not taking.Give as much as we take .One good deserves another
答案
真爱是给予,不是得到.我们得到多好也得付出多少.礼尚往来.
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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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