6 1 4 8 2 5 July 8, 2019 16 32 64 128 4 1 6 х 8 2 5 15 6 2x 4 )= 8 2 5x 1 1 4 x 6 )- 8 2 5 8 6 1 8 less 2 4 5 is equal to 1 4 4x 8 )- 2 5x 6 8 1 4 2 5 6 in fraction 5 6 1 3x )= 4 (- 5x 8 2 6 8 25 persen 2 1 4 1 5 2 6-dibromonaphthalene-1 4 5 8-tetracarboxylic dianhydride
