2 1 3 x 6 7
- 2 3 1 4 x 6 7
- 1 2 3 x 4 5 6 7 8
- 5 6 x (- 2 1 3 x (- 6 7
- 1 3 3x 6 )- 2 7 7x 21 )= 9
- 3 1 3 х 2 6 7
- 1 3 3x 6 )- 2 7 7x 21
- 2 3 1 7 x 5 6 1 12
- 1 2 3 4 x 6 7 8 9
- 1 1 2 x 3 8 7 6
- 2 1 3 x 6 7 x 9 10
- 5 2 1 3 x 9 2 6 7
- Given 2 1 3 4 x 7 6
- 2 1 3 7 8 x 6 25
- X array ( 1 2 3 5 6 7 is a valid statement
- 3 x 2 )+ 6 7x 1