Lydia,I really wanna talk about something with you .I miss you and those old days we spent together
题目
Lydia,I really wanna talk about something with you .I miss you and those old days we spent together
答案
利季娅,我想和你说我真的非常想念那些我们曾在一起的日子.
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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