1 9 x 27 x 3 July 8, 2019 16 32 64 128 9 x 2 =( 1 27 x 3 4 3 x 1 9 x 27 4 9 x *( 27 8 x 1 2 3 27 x 2 9 x 1 3 2x 1 9 x 27 mũ x 3 mũ x 1 9 x 27 n 3 n 1 2 9 x 0 x 27 31 1 3 9x 27 ) x 33 9 * 81 x 1 27 x 3 3 ⋅ 9 1 x )= 27 (- x 9 x 27 √ 3 x 1 27 x 1 9 x 3 3 y 1 3 x 27 8 x 16 9 is equal to
