4 2 7 6 1 July 8, 2019 16 32 64 128 2 4 6 7 1 9 3 4 2 7 1 6 4 1 2 6 7 8 4 7 6 2 5 1 2 4 7 x 5 1 6 2 7 2x3 )+ 4 1 6 2 4 7 x 1 6 7 7 4 х 2 6 19 12 2 6 7 4 x2 3 4 x 2 7 x 1 6 7 4 x 2 6 19 4 2 6 7 10 2 4 7 6 12 2 4 6 7 11 4 exponent 2-6(7-10)