− 2 1 = 9 4 x 6 5 July 8, 2019 16 32 64 128 (6 9 - 1 5)/(2 4) 6) 1 4/9 * x =5 2 (4 6 − 9 1) ⋅ 0 4 6 ^ - 2 + (9/4) ^ - 1