A:41
B:42
C:33
D:34
一个多边形的每一个外角都是36°,则这个多边形的边数是____
以双曲线x24-y25=1的离心率为首项,以函数fx=4x-2的零点为公比的等比数列的前n项的和Sn=( )
—I can't agree more. ____________. There is no short cut.
The discovery of the new drug is of great significance to people _______ from heart problems.