7 5 x 4 1 July 8, 2019 16 32 64 128 7 5 x 4 12 7 5 x 4 11 7 5 x 4 10 5 7 x 4 15 5 7 х 1 4 2 x 7 5 x 4 1250 3 x 7 )+ 5 x 4 )= 15 7 2 5 x 1 4 5 7 8 x 4 1 8 2 5 7 х 4 1 2 7 9 5 6 x 4 15 3 x 7 )= 5 x 1 )- 4 7 x 5 6 10 4 3 7 5 16 x 4 5 4 x 7 10 as a fraction