4 7 12 х 3 11 July 8, 2019 16 32 64 128 4 7 12 х 1 3 11 4 7 12 3 4 x 3 11 4 7 12 divided by 3 4 x 3 11 4 + 4 = 12 4 7×12 3 4 3 - 7 12
