5 3 8 x 7 5 8 July 8, 2019 16 32 64 128 5 3 8 x 2 7 8 5 7 9 х 3 8 3 5 7 x 3 8 5 3 8 x 8 7 8 envelope 3 5 8 x 2 1 4 x 7 5 8 5 x 7 = 35 8 ÷ 5/8
