Question

qual 25º termo da sequencia 42,39,36,33

Answer 1

esta retrocendendo de 3 em 3

25-4=21
21×3=63
33-63= -30

Answer 2

42,39,36,33,30,27,24,21,18,15,12,9,6,3,0,-3,-6,-9,-12,-15,-18,-21,-24,-27,-30.