算24：1469

9-1-4=4
4*6=24

1.(9-4-1)*6 2.[9-(4+1)]×6=24呵呵认真算你一定会算出来的!

1*4=4,4*9/9=4.4*6=24

1: 6 × (9 - (1 + 4))
2: 6 × (9 - 1 - 4)
3: 6 × ((9 - 1) - 4)
4: 6 × (9 - (4 + 1))
5: 6 × (9 - 4 - 1)
6: 6 × ((9 - 4) - 1)
7: (9 - (1 + 4)) × 6
8: (9 - 1 - 4) × 6
9: ((9 - 1) - 4) × 6
10: (9 - (4 + 1)) × 6
11: (9 - 4 - 1) × 6
12: ((9 - 4) - 1) × 6

4+1=5
9-5=4
6*4=24

(9-4-1)*6