which languages does she speak 和 what kind of languages does she speak 一步一样的?
题目
which languages does she speak 和 what kind of languages does she speak 一步一样的?
答案
有错误哦,应该是which language does she speak
what kind of language does she speak 一样的
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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