Question

2.6.7.8 加上符号等于24

Answer 1

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