2 5 7 8 10 July 8, 2019 16 32 64 128 2 6 3а 5 )- 7 8 а 10 4 8-dimethyl-2 5 7 10-trioxa undecane 2 5 8 divided by 7 10 2 x 8 10 5 x 7 2 х 8 10 5 х 7 2 6 3a 5 )- 7 8 a 10 5 7 8 minus 2 9 10 8 x 7 2 5 10 6 10 2 8 minus 7 5 8 5 2 6b 10 ) - b 8 7 5 2 4m 8 )- 2 6m 7 )=- 10 10 2 8 minus 7 5 8 in simplest form
