15 5 4 7 3 July 8, 2019 16 32 64 128 4 5 7 15 х 3 16 4 5 7 15 x 3 16 15 4 2 7 3 x 5 15 5 2x 7 )= x 4 3x Find 4 5 * 3 7 * 15 5 x 4 15 )- 3x 7 6 15 16 5 4 divided by 7 12 2 3 15 16 4 5 x 7 12 4 3 15 mod 7+3*4 div 5=