12 4 3 x 2 July 8, 2019 16 32 64 128 12 3 4 x 2 5 12 3 4 x 21 12 8 4 3 x 2 12 3 4 x 1 2 12 x 7 3 4 x 2 3x 12 4 x 2 12 4 x 2 6 3 3 4 8x 12 )- 4 x 2 7 12 3 4 x 2 9 12 3 4 x 21 prop 12 3 4 x 21 propeller 12 divided by 4 3 x 2 Tính 7 12 3 4 x 2 9 21 12 4 3 x 7 12 3 4 x 2 1 2 as a fraction