6x 12 7x 5 July 8, 2019 16 32 64 128 12 6x 7x 23 5x 3x 7x 12 6x 5 2x 6 5x 2 6x 12 7x 2 4x 13 6(7x+12) - 12(5x - 9) 6(7x+12)−12(5x−9) при x = 6x=6
