5 6m 5 12 7 8m 2 3 July 8, 2019 16 32 64 128 - (5 7m - 6 7) - (7 9 - 3 6m) 6 7 + m + 5 4 - m - 8 5 5 7m-13 75=8 2m 5 6 - 7 12
