2 3 x 1 4 9 July 8, 2019 16 32 64 128 2 3 x 7 ) 1 4 x 9 3 2 x 4 9 1 6 9 2 3 x 4 1 5 X 2 1 3x 4 =- 9 X 3 4 1 2 9 8 1 2 x 3 5 x 4 9 as a fraction 1 3 x 2 )= 4 9x 2 2 3 х 1 98 4 5 3 2 x 1 9 4 1 2x 3x 2 x 1 )= 9x 4 2 3 3x 9 )=- 4 x 1 )- 1 2 3 1 3x (- 4 9 5 6 2 3 x 1 4 x 9 10 2 3 x mũ 2 1 4 9 1 2 x 3 4 90