2 x 3 9 4x July 8, 2019 16 32 64 128 2x 2 3 4x 9 2 x 4 )+ 3 4x 9 4x 2 x 9 3 5 X 3 4x 2 9 0 X 3 2x 2 4x 9 X 2 3 4x 9 64 X 2 3 5x 4x 9 7 2 x 3 6 9 4x 8 2 3 x 8 )- 4x 9 2 9 x 3 )= 4x 7 3 x 9 2 4x 31 1 3 x 9 4x8 )- 2 3 2 x ≥ 4x 9
