到底是 what mean?what means?what is meaning?waht is it mean?哪个正确?还有其他的么?
题目
到底是 what mean?what means?what is meaning?waht is it mean?哪个正确?还有其他的么?
答案
what does it mean
what is the meaning 应该是这两个
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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