The question is very difficult (改感叹句 )
题目
The question is very difficult (改感叹句 )
The question is very difficult (改感叹句 )
I'd like the moon-cake (with meat in it) (对括号部分提问)
It's (january 1st) today (对括号部分提问)
答案
How difficult the question is !
What kind of moon-cake would you like
What's the date today
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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