X 5 x 4 9 July 8, 2019 16 32 64 128 X 5 4 x 9 6 X 8 5 x 4 9 X 5 x 4 9 x 2 5x 5 x 4x 4 9 X 5 6 x 9 4 =- 2 X 3 5 x 9 4 5 x 4 )+ 9.1 19.1 90 x 5 x 4 5 x 4 )= 9x 5 x 4 )= 9x 12 5 x 4 9 10 96 x 5 x 4 5 x 1 4 x 9 X 5x 4 )= 9 1 2 x 3 5 x 4 9