B 2 5 )(- b 2 7 )= July 8, 2019 16 32 64 128 3b 7 3b b 2 5 b 2 B 1 2 b 2 3 b 4 5 7 15 B 5 )( 7 5b )- 2 b 2 )( b 6 9b 1 5 * b 2 7 b 4 2
