My first letter is in a book,not in look My second letter is in ink,not in thank 还没写完看下面
题目
My first letter is in a book,not in look My second letter is in ink,not in thank 还没写完看下面
My third letter is in kite,not in dite
My last letter is in ear,not in car
What am l am
是不是dike?
答案
bike吧~
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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