How to solve 2 1 3 4 3 5 July 8, 2019 16 32 64 128 How to solve 1 2 3 4 5 6 How to solve 1 3 z 4 )- 6 2 3 5 z + 1 + 2 + 3 + 4 + 5 1 2 + 3 4