A 5 a 4 1 July 8, 2019 16 32 64 128 A 5 4 a 16 A 5 4 11 A 5 4 10 5 a 4 17 5 a 2 )= 4 a 1 A 4 5 a 18 A 5 4 3 1 5 8 a 4 1 2 5 a 10 4 A - 4 =5 A 1 2 3 4 5 6
