4 5 8 x 2 1 4
- 4 x 5 )- 8 3x 5 )= 4 x 1 )- 2
- 5 3 4 x 8 1 2 x 2 1 4
- 4 1 2 x 1 4 x 5 8 11
- 2 1 4 x 1 4 5 x 8 9
- 8 x 2 5 x 4 12 1 x 48
- 4 1 2 x 1 4 x 5 8 11 grinding wheel
- 1 7 8 4 4 5 x 2 1 12
- 8 3 4 x 2 5 8 x 11 1 4
- 4 1 2 x 1 4 x 5 8 grinding wheel
- 8 2 4 x 22 5 1 4
- 2 x 3 )+ 4 2x 1 )= 8 5 x 4
- 4 3x 2 )- 5 6x 1 )= 2 x 8 )+ 4x
- 1 3 2 9 4 5 x 1 8 1 4