2 3 x 6 )- 4 (- 4 2x July 8, 2019 16 32 64 128 2 3 3x 6 )= 3 4 2x 8 4 x 6 3x 3x 2 3 4 2x 2 + 3 + 4 + 5 + 6 2 4x-3 6 2 4 × 3 6