1 x 2 x 3 x 4 x 5 6
- integrate (( x 1 )( x 2 )( x 3 x 4 )( x 5 )( x 6 )) dx
- 6 x 5 x 4 x 3 x 2 x 1 10
- x 7 x 6 x 5 x 4 x 3 x 2 x 1 0
- int x 1 )( x 2 )( x 3 x 4 )( x 5 )( x 6 dx
- factor x 6 x 5 x 4 x 3 x 2 x 1
- integrate x 1 )( x 2 )( x 3 )/( x 4 )( x 5 )( x 6
- x 6 x 5 x 4 x 3 x 2 x 1 0
- 1 2 x 2 3 x 3 4 x 4 5 x 5 6 x 6 7 x 7 8
- 7 x 6 x 5 x 4 x 3 x 2 x 1
- 1 x 2 x 3 x 4 x 5 6
