6x - 7 5 July 8, 2019 16 32 64 128 6x 7 =- 5 6x 7 5x 1 6x 7 5x 6x 7 5 4x 1 )- 16 6x 7 55 6x 7 5x 2 6x 7 5x 3 6x 7 =- 53 6x 7 5x 4 6x 7 5x 8 6x 7 5 2x 6x 7 5x 9 6x 7 5x 10 6x 7 50 6x 7 5x 15