ode to my family
题目
ode to my family
答案
一首歌的歌词Unhappiness where's when I was young,我小时侯的不高兴,And we didn't give a damn,我们完全无所谓,'Cause we were raised,因为我们是被抚养者,To see life as fun and take it if we can.把生命看做...
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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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