10 2 x 5 1 July 8, 2019 16 32 64 128 10 2 x 13 5 10 1 2 x 5 1 4 10 1 2 x 5 1 3 10 2 5 x 3 1 4 10 2 x 10 5 2 x (- 5 )) 10 12 1 2 10 x 5 14 x 4 10 x 5 1 5x 2 10 x 1 )= 2 2x 5 1 10 log 2 x 5 5x 2 x 10 14 5 5 10 2 6 x 1 7 10 x 5 2 x 1 9 9 x 10 2 5 x 10 4 4x * 10 2 5 * x * 10 2