We offered him the house for 1000 yuan.和We offered him 1000 yuan,for the
题目
We offered him the house for 1000 yuan.和We offered him 1000 yuan,for the
答案
We offered him the house for 1000 yuan:房子原来是我们的,给他了,我们得到1000元;
We offered him 1000 yuan,for the house:房子原来是他的,我们给他1000元买他的房子.
大概是这个意思吧.
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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.
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