X 1 2 7x 3 15 2x 1 3 3 2x 5 July 8, 2019 16 32 64 128 2(x-1)-3 5(2x-1)-7x 3(x + 1) - 2 =6(1-x)+7x 1) 5(3x - 7) + 2(1 - x) при x = 1/26
