A 1 2 3 4 5 b 6 7 8 9 July 8, 2019 16 32 64 128 A 1 2 3 4 5 6 A= 1 2 3 4 5 6 b= 6 7 8 9 10 c=a+b A= 5 4 3 2 1 b= 1 2 3 4 5 A = 1 2 3 4 5 and b = 3 4 5 6 then a - b =