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