Subtract 2 3 1 10 simplify the answer July 8, 2019 16 32 64 128 1 + 2 + 3 + 4 = 10 1 2 + 3 4 + 1 + 2 + 3 + 4 + 5 1+2= 3 2 + 3 + 4 + 5 + 6
