7 5 3 x 9 4 July 8, 2019 16 32 64 128 7 1 5 x 3 4 9 7 (- 5 3x )+ 4x 9 4x 5 7 3 9 x 3 x 7 )+ 9 4 5 x )+ 6x 3 5 x 2 7 4 9 5 6 7 9 x 4 3 1 2 3 x 5 )- 3 2 x 7 )+ 4x 9 (- 7 5 6 x 9 3 4 5 3x 7 )- 3 x 9 )= 4 3x 2 7 9 4 5 x 3 8 3 5 x 2 7 chia 4 9 7 3 4 x 9 1 5 in fraction form
