5 2 x 9 )= 13 July 8, 2019 16 32 64 128 9 10 2 5 x 13 20 2x 5 13 2 x 9 X 5 3 x 9 13 2 3 2 9 x 4 ) 3 x 5 )- 13 2 5 8x )- 13 9 1 x )- 12 5 2 x 7 3 x 9 2 x 11 13 29 5 + 9 = 14
