4 4 x 1 )=- 12 July 8, 2019 16 32 64 128 4 1 4 x 12 1 2 4 x 1 128 4 4 5 x 2 1 12 4 x 1 125 4 х 1 12 4 x 1 4 )= 1 3 12x 3 4 x 1 12 as a fraction 4 x 1 )= 123 4 1 4 x 12 short way elbow duct fitting 4 x 1 )= 12 4x
