Could you tell me____?No problem.A.what "Take care"means B.how should we deal with the problem
题目
Could you tell me____?No problem.A.what "Take care"means B.how should we deal with the problem
C.when shall we go to meet our favourite TV star
D.what time it was
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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