英语翻译
题目
英语翻译
答案
Week 4 of the afternoon, the English teacher who shows morning-point endorsement. So I got home at night carrying serious. Week 5 in the morning. I carefully review the back of yesterday's English. Over for a while. The teacher points to me, and I went to the teacher in front of self-confident. Less than 1 minute I was playing. It seems, serious homework is very important.
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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