6 3 4 1 7 9 July 8, 2019 16 32 64 128 6 3 4 * 1 7 9 6 3 4 x 1 7 9 7 1/6 - 3 4/9 in simplest form 6 9 dietil 3 metil 1 4 7 undecatriino 7 1 6 minus 3 4 9 5 6 7 9x 4 3 1 2 4 x 7 )- 6 3 2x 1 )+ 9