Kate has some hats.All her hatsare red except two.All her hats are blue except two.All her hats are
题目
Kate has some hats.All her hatsare red except two.All her hats are blue except two.All her hats are yelloe except two.How many hats does she have?(翻译一下,）
答案
3个一种颜色一个
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
最新试题
热门考点