1 2 x 10 3 July 8, 2019 16 32 64 128 1 2 x 10 3 4 1 2 x 10 30 1 2 (- 2x 10 3 4 6x 1 x 2 3x 10 2 1 10 x 3 5 1 x 2 3x 10 0 2 1 10 x 3 7 1 2 x 4 )=- 10 3x 1 2 x 10 3x 1 3 1 2 5 10 x 3 4 2 x 10 3x 1 15 1 2x 10 3 4x 1 2x 10 3 4x 5 1 x 2x 3 10 1 2x 2 10 3 2x 2