the old man asked the girl to another seat()he wanted to sit next to his wife
题目
the old man asked the girl to another seat()he wanted to sit next to his wife
so that 我选得because 你怎么看这个问题?
这是一道中考题 ..
答案
so that 以便,结果
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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