SAT 完全没想明白.
题目
SAT 完全没想明白.
In a volleyball league with 4 teams,each team plays exactly 2 games with each of the other 3 teams in the league.What is the total number of games played in this league?
答案
A,B,C,D 队,（3+2+1）*2=12 答案应该是12
A-B
A-C
A-D
B-C
B-D
C-D
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