Simone
2, 5, 6, 6的24点答案：
1: (2 × 5 - 6) × 6
2: ((2 × 5) - 6) × 6
3: (5 - 2) × 6 + 6
4: ((5 - 2) × 6) + 6
5: (5 × 2 - 6) × 6
6: ((5 × 2) - 6) × 6
7: 6 - (2 - 5) × 6
8: 6 - ((2 - 5) × 6)
9: 6 × (2 × 5 - 6)
10: 6 × ((2 × 5) - 6)
11: 6 + (5 - 2) × 6
12: 6 + ((5 - 2) × 6)
13: (6 × (5 - 2)) + 6
14: 6 × (5 - 2) + 6
15: 6 × (5 × 2 - 6)
16: 6 × ((5 × 2) - 6)
17: 6 - (6 × (2 - 5))
18: 6 - 6 ×(2 - 5)
19: 6 + (6 × (5 - 2))
20: 6 + 6 ×(5 - 2)
