4 x 7 8 2 July 8, 2019 16 32 64 128 4 x 7 )= 8 2x 4 7 x 8 21 X 4 7 2 8 5 9 Х 4 7 )- 2 8 5 9 8 4 x 7 2 8 6 3 4 7 x 8 2 5 24 4 x 7 )+ 8 1 6x 4 x 7 x 8 1 2 4 7 8 x 2 1 12 X 8 4 7 x 8 2 18 0 4x 7 8 2x X 7 8 9 4 2 3 2 3 4 x 7 8 4 7 8 x 1 2 5 3 4 x 8 )= 7 1 2