2 x 3 5 x 1 14 July 8, 2019 16 32 64 128 7x x 2 )- 5 x 1 )= 21x 2 14x 2 3 9x 3 2x 5 )= 2 5x 1 )- 14 1 3 4 x 2 5 x 1 3 14 7 x 2 )+ 3 x 5 )= 14 x 1 )+ 2 2 1 8 x 1 14 x 3 5 8 foldable box 2x 5 3 x 2 ) 14 2 x 1 9 x 2 )- 6 x 1 )+ 14 5 x 3 )+ 11 2 x 2 5 2 5 x 3 14
