18 2 x 3 4 July 8, 2019 16 32 64 128 2 x 3 )+ 4x 18 5 16 18 x 2 3 4 X 3 4x 2 3x 18 X 3 4x 2 3x 18 0 X 3 4x 2 15x 18 5x 18 3 x 2 4x 8 3x 12 2 x 7 )- 3 2x 4 )=- 18 18 x 2 4 3 6 3 x 5 )+ 18 2 x 4 18 1 2 x 4 3 2 x 3 )+ 18 4 10x 9 )= 72 18 1 2 x 27 3 4 frame 18 1 2 x 20 3 4 18 1 2 x 12 3 4 2 x 3 )+ 18 =( 4x 1