1:2 × (3 × 5 - 3)
2:2 × ((3 × 5) - 3)
3:(2 + 5) × 3 + 3
4:((2 + 5) × 3) + 3
5:2 × (5 × 3 - 3)
6:2 × ((5 × 3) - 3)
7:3 + (2 + 5) × 3
8:3 + ((2 + 5) × 3)
9:(3 × (2 + 5)) + 3
10:3 × (2 + 5) + 3
11:3 + (3 × (2 + 5))
12:3 + 3 ×(2 + 5)
13:3 + (3 × (5 + 2))
14:3 + 3 ×(5 + 2)
15:3 + (5 + 2) × 3
16:3 + ((5 + 2) × 3)
17:(3 × (5 + 2)) + 3
18:3 × (5 + 2) + 3
19:(3 × 5 - 3) × 2
20:((3 × 5) - 3) × 2
21:(5 + 2) × 3 + 3
22:((5 + 2) × 3) + 3
23:(5 × 3 - 3) × 2
24:((5 × 3) - 3) × 2