My brother has two tennis rackets(改成一般疑问句) photo,thank,for,the,of,your,family,you(连词陈句) My jacket is
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My brother has two tennis rackets(改成一般疑问句) photo,thank,for,the,of,your,family,you(连词陈句) My jacket is(under my bed)(对括号内的单词提问)
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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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