1 2 x 7 5 July 8, 2019 16 32 64 128 1 2 x 7 5 6 1 2 x 5x 7 11 1 2 x 7 5 8 pencil box 3 1 2 x 5 7 (- 1 2 7 x 1 5 9 2 1 4 x 7 5 3 1 2 x 5 7 8 1 2 7 х 3 5 7 1 2 x 5 3 4 5 1 2 x 7 envelopes 2 1 7 х 1 5 9 1 2x 7 5x 3 1 2x 7 5x 5 x 1 )- 2 x 7 )= 13 3 2 x 7 2x 1 5
