1 4x 2 4 6 1 2x July 8, 2019 16 32 64 128 2 6 0 4x 1 4 )=- 3 9 1 2x 0 9 4 1 6 3 4x 5 2 3 1 2x 2x 1 4 1 4x 2 3x 7 6
