2 1 2x 3 4 9 July 8, 2019 16 32 64 128 1 2x 2 3 4 9 =- 2 5 1 3 2x 6 )= 2 4 9 1 2 2x 4 )= 1 3 6x 9 2x 1 3 x 2 4 8 9 4x 2 2x 1 9 3 x 4 2 (- 2x 9 4 (- 1 x 3 8x 8 x 1 3 3 2x mũ 2 9 4 1 6x 2 3 2x 4 10x 5 9x 2 3 2x 7 )= 9 4 3x 1
