24点算法利用加减乘除和括号将5,6,7,8计算出24,写出算式,不能重复,可以混合.
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【答案】 1:(7 + 5 - 8) × 6
2:((7 + 5) - 8) × 6
3:(7 + (5 - 8)) × 6
4:(7 + 5) × (8 - 6)
5:(7 - 8 + 5) × 6
6:((7 - 8) + 5) × 6
7:(7 - (8 - 5)) × 6
8:6 × (7 + 5 - 8)
9:6 × ((7 + 5) - 8)
10:6 × (7 + (5 - 8))
11:(6 ÷ (7 - 5)) × 8
12:6 ÷ (7 - 5) × 8
13:6 ÷ ((7 - 5) ÷ 8)
14:6 × (7 - 8 + 5)
15:6 × ((7 - 8) + 5)
16:6 × (7 - (8 - 5))
17:6 × (5 + 7 - 8)
18:6 × ((5 + 7) - 8)
19:6 × (5 + (7 - 8))
20:6 × (5 - 8 + 7)
21:6 × ((5 - 8) + 7)
22:6 × (5 - (8 - 7))
23:6 × (8 ÷ (7 - 5))
24:6 × 8 ÷(7 - 5)
25:(6 × 8) ÷ (7 - 5)
26:(5 + 7 - 8) × 6
27:((5 + 7) - 8) × 6
28:(5 + (7 - 8)) × 6
29:(5 + 7) × (8 - 6)
30:(5 - 8 + 7) × 6
31:((5 - 8) + 7) × 6
32:(5 - (8 - 7)) × 6
33:(8 ÷ (7 - 5)) × 6
34:8 ÷ (7 - 5) × 6
35:8 ÷ ((7 - 5) ÷ 6)
36:(8 - 6) × (7 + 5)
37:8 × (6 ÷ (7 - 5))
38:8 × 6 ÷(7 - 5)
39:(8 × 6) ÷ (7 - 5)
40:(8 - 6) × (5 + 7)