1:(3 + 13) ÷ 4 × 6
2:((3 + 13) ÷ 4) × 6
3:(3 + 13) ÷ (4 ÷ 6)
4:(3 + 13) × 6 ÷ 4
5:((3 + 13) × 6) ÷ 4
6:(3 + 13) × (6 ÷ 4)
7:(6 × (3 + 13)) ÷ 4
8:6 × (3 + 13) ÷ 4
9:6 × ((3 + 13) ÷ 4)
10:6 ÷ 4 ×(3 + 13)
11:(6 ÷ 4) × (3 + 13)
12:6 ÷ (4 ÷ (3 + 13))
13:6 ÷ 4 ×(13 + 3)
14:(6 ÷ 4) × (13 + 3)
15:6 ÷ (4 ÷ (13 + 3))
16:(6 × (13 + 3)) ÷ 4
17:6 × (13 + 3) ÷ 4
18:6 × ((13 + 3) ÷ 4)
19:6 ÷ (13 ÷ 4 - 3)
20:6 ÷ ((13 ÷ 4) - 3)
21:(13 + 3) ÷ 4 × 6
22:((13 + 3) ÷ 4) × 6
23:(13 + 3) ÷ (4 ÷ 6)
24:(13 + 3) × 6 ÷ 4
25:((13 + 3) × 6) ÷ 4
26:(13 + 3) × (6 ÷ 4)