3,4,6,8算24点，3种

1: 3 × (8 ÷ 4 + 6)
2: 3 × ((8 ÷ 4) + 6)
3: (3 × (8 - 6)) × 4
4: 3 × (8 - 6) × 4
5: 3 × ((8 - 6) × 4)
6: (3 × 4 - 8) × 6
7: ((3 × 4) - 8) × 6
8: 3 × (4 × (8 - 6))
9: 3 × 4 ×(8 - 6)
10: (3 × 4) × (8 - 6)
11: 3 × (6 + 8 ÷ 4)
12: 3 × (6 + (8 ÷ 4))
13: (8 + 4) ÷ 3 × 6
14: ((8 + 4) ÷ 3) × 6
15: (8 + 4) ÷ (3 ÷ 6)
16: (8 + 4) × 6 ÷ 3
17: ((8 + 4) × 6) ÷ 3
18: (8 + 4) × (6 ÷ 3)
19: (8 ÷ 4 + 6) × 3
20: ((8 ÷ 4) + 6) × 3
21: (8 - 6) × 3 × 4
22: ((8 - 6) × 3) × 4
23: (8 - 6) × (3 × 4)
24: (8 - 6 ÷ 3) × 4
25: (8 - (6 ÷ 3)) × 4
26: (8 - 6) × 4 × 3
27: ((8 - 6) × 4) × 3
28: (8 - 6) × (4 × 3)
29: (4 × 3 - 8) × 6
30: ((4 × 3) - 8) × 6
31: 4 × (3 × (8 - 6))
32: 4 × 3 ×(8 - 6)
33: (4 × 3) × (8 - 6)
34: (4 + 8) ÷ 3 × 6
35: ((4 + 8) ÷ 3) × 6
36: (4 + 8) ÷ (3 ÷ 6)
37: (4 + 8) × 6 ÷ 3
38