When keeping the ambiguity with you ,I fear I will fall in love with you, and I fear I will cry afte
题目
When keeping the ambiguity with you ,I fear I will fall in love with you, and I fear I will cry after your leaving.There are no trails of the wings in the sky, while the birds has flied away. When keeping the ambiguity with you ,I fear I will fall in love with you, and I fear I will cry after your leaving.意思是什么?
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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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