lt makes me think of period in my life when lwas young and stupid of my pict
题目
lt makes me think of period in my life when lwas young and stupid of my pict
答案
lt使我想起我一段生命,当lwas年轻和愚蠢的我的pict
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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