12 4 x 10 2 3 July 8, 2019 16 32 64 128 10 x 2 x 4 3x 12 12 3 4 x 10 1 2 4 12 x 3 11 x 2 10 4 12 x 3 11 x 2 10 x 1 9 12 x 4 + 2 12 x 4 / 3 12 x 4 3/4 12 x 4 1/2 12 x 4 =