2 9 2 18 July 8, 2019 16 32 64 128 2 9 6 2 18 2 x 9 2 18 2 2 9 7 18 9 2 4 2 )(- 18 2 9 log 2 9 18 Sqrt 9 2 18 2 2 9 6 2 18 answer
