10 2 x 9 )= 4 5 4 3 July 8, 2019 16 32 64 128 9 2 x 4 )- 10 25 x 4 )= 5 3x 4 x 1 9 2 x 4 )- 10 (- x 4 )= 5 3x 4 x 1 10 2 x 9 )= 4 mũ 5 4 mũ 3
