5 6z-2z-0 7z 2 65=7 July 8, 2019 16 32 64 128 5 6z 2z 0 7z 2 65 7 5 6z-2z-0 7+2 65=7 5 6z-2z-0 7z+2 65=7 5 6 - 2 z - 0 7 + 2 65 = 7 R) 5 6z - 2z - 0 7z + 2 65 = 7
