Question

7,1,6,4怎么算出24

Answer 1

7,1,6,4的24点答案：
1:(7 + 1 - 4) × 6
2:((7 + 1) - 4) × 6
3:(7 + (1 - 4)) × 6
4:(7 - 4 + 1) × 6
5:((7 - 4) + 1) × 6
6:(7 - (4 - 1)) × 6
7:(1 + 7 - 4) × 6
8:((1 + 7) - 4) × 6
9:(1 + (7 - 4)) × 6
10:(1 - 4 + 7) × 6
11:((1 - 4) + 7) × 6
12:(1 - (4 - 7)) × 6
13:6 × (7 + 1 - 4)
14:6 × ((7 + 1) - 4)
15:6 × (7 + (1 - 4))
16:6 × (7 - 4 + 1)
17:6 × ((7 - 4) + 1)
18:6 × (7 - (4 - 1))
19:6 × (1 + 7 - 4)
20:6 × ((1 + 7) - 4)
21:6 × (1 + (7 - 4))
22:6 × (1 - 4 + 7)
23:6 × ((1 - 4) + 7)
24:6 × (1 - (4 - 7))
25:4 ÷ (7 ÷ 6 - 1)
26:4 ÷ ((7 ÷ 6) - 1)