8a 2b 4 3b 5 July 8, 2019 16 32 64 128 The sum of 8a 2b 4 and 3b 5 2 5(4a - 8b) - (3a - 4b) * 1 4 2 5(4a-8b)-(3a-4b) 2 5(4а-8b)-(3a-4b)*1 4