2 9 5 6 solve July 8, 2019 16 32 64 128 9 2 5 4 7 6 solve 2 3 5 6 1 9 solve 8 9 3 2 5 6 solve 5 6 4 9 2 3 solve 2 + 3 + 4 + 5 + 6
