5 3 4 x 12 1 2 July 8, 2019 16 32 64 128 1 4 )( x 12 5 2 3 x 7 12 3 5 x 29 1 4 x 3 2x 5 )- 12 4 x 1 )+ 3 (+ 20 5 x (+ 12 4 1 3 4 5 x 12
