Jawapan

2016-03-16T17:27:51+08:00
2 7 8 3 12 9

Can you see the formula above

2 (1x7)  (2x4)  3  (2x6) (3x3) 4 (3x5)  (4x2)

jadi setiap 2 space urutannya 2,3, 4

Thus, the next number is 4