1:(2 × (10 - 3)) + 10
2:2 × (10 - 3) + 10
3:10 - (2 × (3 - 10))
4:10 - 2 ×(3 - 10)
5:10 + (2 × (10 - 3))
6:10 + 2 ×(10 - 3)
7:(10 - 3) × 2 + 10
8:((10 - 3) × 2) + 10
9:10 - (3 - 10) × 2
10:10 - ((3 - 10) × 2)
11:10 + (10 - 3) × 2
12:10 + ((10 - 3) × 2)