找规律,0,-3,8 ,-15,24,-35,48,-63,——.
问题描述:
找规律,0,-3,8 ,-15,24,-35,48,-63,——.
答
隔一个数字的排列:0,8,24,48,0+1*8,8+2*8,24+3*8.48+4*8=80..
-3,-15,-35,-63,-3*5,-5*7,-7*9,-9*11=-99.