2m 7 )-( 3 4m July 8, 2019 16 32 64 128 7 2m 3 )- 5m 2 4m 8 )+ 9 2m 7 )= 3 52 4m 4 2m 7 )= 3 52 4m 2m 7 5m 9m 3 4m 7 6 4m 7 3 2m )= 15 2 7m 2m + 7 = 9 2 m 7