my dear I think you are No.1 I love you forever I hope you
题目
my dear I think you are No.1 I love you forever I hope you
my dear I think you are No.1 I love you forever I hope you happy every day
答案
my dear I think you are No.1 亲爱的,我认为你是第一
I love you forever 我永远爱你
I hope you happy every day 我希望你开心每一天
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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