6 2 5 x 1 8 July 8, 2019 16 32 64 128 6 1 2 x 5 7 8 1 5 2 1 6 x 8 1 7 12 X 2 6 5 8 x 10 1 6 5 8 x 9 1 2 2 4 5 x 6 1 8 6 x 2 )-( 8x 5 )=- 1 0 8 x 1 6 2 5 6 2 5 x 3 1 8 2x 6 2 x 1 5 8 1 2 6 15 x 5 8 1 4 3 6 1 2 x 3 5 8 envelope 6 5 8 x 9 1 2 notebook
