Dear Bill,Please come to have supper at 6 this evening.This is how you can get to my house by bus
题目
Dear Bill,Please come to have supper at 6 this evening.This is how you can get to my house by bus
答案
亲爱的比尔,今天晚上6点钟请到我家吃饭.这就是你如何乘公共汽车到我家的方法.
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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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