2 b 8 4 July 8, 2019 16 32 64 128 2 b 8 )= 4 b 6 B 2 4b 8 A 3 2 b 8 4 B 2 2b 8 4 b 3b 12 4b 2 b 3 8 )= 2 a 4 b 8 c 16 100 1 2 b 8 )= 4 Th&b 2 8 4 4 b 2 )= 4b 8 2 a 4 b 8 c 328 B&m 2 8 4 3b 8 2 b 4 2 a 4 b 8 c B 400 8 2 B&o 2 8 4