5 4 7 1 2 7 July 8, 2019 16 32 64 128 5 4 x 7 2 x 1 7 5 4 x 1 7 2 x 9 4 x 7 5 7y 2 3y 4 1 7 3 4 7 x )+ 2 1 7 5 3 4 7 х )+ 2 1 7 5 5 3 7 b 2 1 7 2 4 7 5 1 7 divided by 2 4 7 1 5 ⁄ 7 4 2 ⁄ 7 2 3x 1 )+ 5 4 6x 7 )- 7 1 5 7 divided by 4 2 7 as a fraction