1 4x 3 7 8x July 8, 2019 16 32 64 128 1 4x 3 7 8x - 2 1 4x 7 3 8x 5 12 1 4x 3 )+ 8x 7 1 8x 7 =- 3 4x 7 8 1/4 + 3/8 1 4 x 7 1 4 x 3 8
