9 x 4 )=- 3 x 24 July 8, 2019 16 32 64 128 F x )=- x 4 9x 3 24x 2 16x 2 3 x 3 4 x 9 24 25 x 15 x 9 x 5 4 x 3 24 27 mũ 3 x 9 mũ 4 x 243 9 x 8 = 3 x 3 = 9
