In the picture,four people are trying to fill a vat with water .two men are carrying water while tw
题目
In the picture,four people are trying to fill a vat with water .two men are carrying water while tw
others are pouring water into the water .However,with so many loopholes at the bottom of the vat,they will never store any water,because no one tires to fill the holes
答案
In the picture,four people are trying to fill a vat with water .two men are carrying water while tw图中,4人正试图灌满一大桶水.2人正在抬水others are pouring water into the water .However,with so many l...
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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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