4.8.11.13算24点怎么算式短?
1: 4 × (8 + 11 - 13)
2: 4 × ((8 + 11) - 13)
3: 4 × (8 + (11 - 13))
4: (4 + 8) × (13 - 11)
5: 4 × (8 - 13 + 11)
6: 4 × ((8 - 13) + 11)
7: 4 × (8 - (13 - 11))
8: 4 × (11 + 8 - 13)
9: 4 × ((11 + 8) - 13)
10: 4 × (11 + (8 - 13))
11: 4 × (11 - 13 + 8)
12: 4 × ((11 - 13) + 8)
13: 4 × (11 - (13 - 8))
14: (8 + 4) × (13 - 11)
15: (8 + 11 - 13) × 4
16: ((8 + 11) - 13) × 4
17: (8 + (11 - 13)) × 4
18: (8 - 13 + 11) × 4
19: ((8 - 13) + 11) × 4
20: (8 - (13 - 11)) × 4
21: (11 + 8 - 13) × 4
22: ((11 + 8) - 13) × 4
23: (11 + (8 - 13)) × 4
24: (11 - 13 + 8) × 4
25: ((11 - 13) + 8) × 4
26: (11 - (13 - 8)) × 4
27: (13 - 11) × (4 + 8)
28: (13 - 11) × (8 + 4)
(8+11-13)×4=24