2 3 7 n 6 1 2 4 2 7 July 8, 2019 16 32 64 128 2 3/7÷n=6 1/2-4 2/7 2 3/7 n = 6 1/2 - 4 2/7 2 7+3 6 2 + 3 + 4 + 5 + 6
