4589算24

(9-5)乘4加8=24

4*(9-5)+8

(9-5)*4+8=24
4*[5-(9-8)]=24
(5+9-8)*4=24
就这几种

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