1 7 x 7 3 July 8, 2019 16 32 64 128 1 7 x 7 8 3 4 1 7 5 21 x 7 3 7 ((- 1 x 3 7 3 10 7 1 2 x 7 3 4 1 7 x 5 )= 3 7 1 7 x 3 4 35 + 7 x - 1 1 7 x 30 1 7 x 3 2 1 7 x 3 8 1 7 x 3 4 as a fraction 1 7 x 3 6 8 7 1 7 x 3 2 1 7 x 343 X 1 x 7 3x 7
