9.8.1.3算24点，谁知道？

1*8*9/3
1*8/（3/9）
1*8/3*9
9/3/1*8等等

8乘9=72 72除以3=24 24除以1=24。（我是小学生 ）

8 × 9 × 1 ÷ 3
3 ÷ (9 ÷ 8 - 1)

9/3*8*1=24

8*9*1/3

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