1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10, 7 + 4 x 3 + 8 x 5 x 2, 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1, 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1, 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 x 11
7 4 x 3 8 x 5 x 2. There are any references about 7 4 x 3 8 x 5 x 2 in here. you can look below.
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10
7 + 4 x 3 + 8 x 5 x 2
9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 x 11
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10, 7 + 4 x 3 + 8 x 5 x 2, 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1, 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1, 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 x 11
