2 8x1 2 July 8, 2019 16 32 64 128 2 8 x 1 2 as a fraction 2 8 x 1 2 2x9 8x1 2 21 8x1 2 28x1 5 8x1 1 2 inner tube 28x1 5 8x1 1 2 26x1 3 8x1 1 2 26x1 5 8x1 1 2 8x1 2x1 2 2x1 2 8x1 4 8x1 2x2 2 8 x 1/2 2l 8x1 2 √ 2