6 8-11×(-6 1) July 8, 2019 16 32 64 128 6 8 11 *(- 6 1 6 8 11 15 6 8 11 12 6 8 11 13 6 8 11 16 6 8 11 14 8 11 6 10 6 8 11 17 6 + 6 = 8