158.157.138.164.143.155.162.165.148.168.158.158.152.158.153.153.165.158.156.136.132.158.155.105...
题目
158.157.138.164.143.155.162.165.148.168.158.158.152.158.153.153.165.158.156.136.132.158.155.105...
158.157.138.164.143.155.162.165.148.168.158.158.152.158.153.153.165.158.156.136.132.158.155.150.152.154.142.158.159.148.163.145.164.145.157.165
的中位数
答案
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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