5 8 9 3 1 2 July 8, 2019 16 32 64 128 3 d 8 )- 5 9 d 2 )+ 1 3 4x 5 8 9 2x 1 8 5 9 m 20 1 3 n 9 8 5 3 và 1 2 3 x 8 )- 5 9 x 2 )+ 1 2 8 9 to 5 1 3 as a simplified fraction ( 25 5 x 9 3 ) / 8 1
