6 12x4 15 - 11 2 July 8, 2019 16 32 64 128 6 + 12x4 15 - 11 + 2 6 12x4 over 15 11 2 6 12x4 divided by 15 11 2 Work out 6 12x4 15 11 2 12 / 4 x 6