2 7 3 4 9 July 8, 2019 16 32 64 128 1 2 7 3 4 9 2 7 3 8 4 9 6 2 3 7 4 9 7 3 4 x 2 4 9 3 2 x 7 3 3 4 9 8 4 2 3m 3 7 9m 8 9m 2 3 3x 9 )- 4 7 21x 14 3 4 1 2 7 9 x 2 5 7 3 4 9 2 7 9 x 3 4 5 7 12 3 4 x 2 9 Х 4 2 )+ 3 7 =- 2 9 2 5 3 7 4 9 lcm 2 7 8 trimethyldecane or 3 4 9 trimethyldecane
