7 8 x - 4 6 0 8 = 12 July 8, 2019 16 32 64 128 7 8 x 4 6 x 0 8 12 7 8 x - 4 6 + 0 8 = 12 7 8 x-4 6x+0 8=12 (6 8 - 4 7)/(1 4) 7 8 x 7
