what is the largest number of regions this ring could be divided into using three straight lines?
题目
what is the largest number of regions this ring could be divided into using three straight lines?
答案
这个圈子用三根直线最多可以划分成多少小块?
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