2 5 x 3 3 x 10 5 July 8, 2019 16 32 64 128 5 2 x 3 5 )- 1 10 x 3 3 x 4 )- 5 x 2 )- 5 3 x 10 )- 5 2 3 5 3 x 7 10 x 5 6 2 5 x )+ 3 10 x )- 3 5 x )= 531 6 5 x 3 2 9 10 x 3 10 x 5 3 5 x 3 5 x 10 2 divided by 30 2 1 3 x 3 9 10 x 5 1 5 2 x 3 x 5 )- 3x 10 3 1 3 2x 5 )- 1 2/5 + 3/10 2 x 2 5