(-a2)2n+1的计算结果是( )
A.a4n+2
B.-a4n+1
C.-a4n+2
D.a4n+1
∵2n+1为奇数,
∴原式=-a4n+2.
故选C.
抛出一枚硬币,有______种结果,分别是______.
审慎