1 3 5 x 2 4 12 July 8, 2019 16 32 64 128 X 1 3 5x 2 12 5 3x 4 1 3 4 x 5 1 2 x 12 lvl 2 3 chia x 1 4 12 5 3x 2 3 x 1 4 5 12 X 2 3 =- 1 12x 4 5 1/5 + 2/3
