(9 - 3) x 5
3 x 10
4 x 9
(3 x 2) x 5
(6 - 2) x 7
2 x (3 + 7)
6 x 2
(6 x 7) x 4
3 x (4 + 5)
9 x (7 x 8)
5 x 7
8 x (1 x 6)
