X 4 5x 2 12
- 5 x 8 )- 4 5x 2 )= 12
- 2 x 4 )= 1 2 5x 12
- 2x 2 5x 12 x 4
- X 5 3x 4 5x 3 15x 2 4x 12
- 4 1 5x )+ 6 2 12 x )+ 4x
- X 1 3 5x 2 12 5 3x 4
- X 4 2x 3 5x 2 4x 12 0
- X 4 2x 3 5x 2 4x 12
- X 4 5x 3 12x 2 5x 1 0
- X 4 2 )= 5x 12x 13
- X 4 5x 2 8x 12
- X 4 5x 2 17x 12
- X 4 6x 3 5x 2 12x 0
- X 4 5x 3 12x 2 5x 1
- X 4 4x 3 5x 2 24x 12