you may feel the door first and then decide where to go if the building is tall,stand by the window
题目
you may feel the door first and then decide where to go if the building is tall,stand by the window
答案
你可以摸着先摸着门然后决定去哪里.如果建筑物高的话,挨着窗户站
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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