如果运行右面的程序框图,那么输出的结果是( )
A:1,9,15
B:1,7,15
C:1,9,17
D:2,10,18
It's around 500 metres from my home to school.
已知等比数列an的公比q=-13,则a1+a3+a5+a7a2+a4+a6+a8等于( )