7 5 4 10 9 July 8, 2019 16 32 64 128 7 9 * 10 2 и 4 5 * 10 1 7 5 2 4 x 10 9 5 7 10 9 4 coefficient of range is 2 7-diamino pyrene-4 5 9 10-tetraone 2 7 dibromopyrene 4 5 9 10 tetraone 7 * 10 5 mod 3 * 4 9 2 5 y 4 7 9 10 y 7 25 a 15 4 5 dan 9 10 4 7 x 10 92 5 2