2 c 6 4 July 8, 2019 16 32 64 128 Im 2 6 c 4 u A 2 b 6 c 4 C 4 6 3c 2 7 C 2 4 6 8 C 2 4 6 98 C 2 45 6 C = 2 4 6 8 10 2 c 6 ≥ 4 C 2 4c 6 2c 2 4c 6 2 m 3 )+ c 6 4m 2 3 c 4 )= 6 2 c 1 − 6 4 2 7 4 c )= 6 Tri c 6 2 4