用英语给football下个定义,在用几句话描述一下football
题目
用英语给football下个定义,在用几句话描述一下football
用英文哈!
答案
a game played by two teams of elven players who try to kick a round ball into the other team's goal ; a ball used in this game
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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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