1 3 x 5 6 2 9 July 8, 2019 16 32 64 128 1 3 x 2 9 5 6 1 3 5 99 x 2 4 6 100 1 3 2 5 x 8 9 2 3 5 6 Solve 9 1 3 x 2 5 6 5 2 1 3 x 9 2 6 7 1 2 3 4 5 6 ≡ x mod 9 2 4 6 x 3 1 5 x 9 8 4 5 x 5 6 )- 2 3 x 1 4 )= 10 9 3 x 6 x 2 x 9 5 1 4 9 1/6 - 5 3/4 1/5 + 2/3