Question

1 2 6 7怎么等于24（不改变顺序）

Answer 1

1: (1 + 7) ÷ 2 × 6
2: ((1 + 7) ÷ 2) × 6
3: (1 + 7) ÷ (2 ÷ 6)
4: (1 - 7) × (2 - 6)
5: (1 + 7) × 6 ÷ 2
6: ((1 + 7) × 6) ÷ 2
7: (1 + 7) × (6 ÷ 2)
8: (2 - 6) × (1 - 7)
9: 2 × (6 - 1 + 7)
10: 2 × ((6 - 1) + 7)
11: 2 × (6 - (1 - 7))
12: 2 × (6 + 7 - 1)
13: 2 × ((6 + 7) - 1)
14: 2 × (6 + (7 - 1))
15: 2 × (7 - 1 + 6)
16: 2 × ((7 - 1) + 6)
17: 2 × (7 - (1 - 6))
18: 2 × (7 + 6 - 1)
19: 2 × ((7 + 6) - 1)
20: 2 × (7 + (6 - 1))
21: (6 - 1 + 7) × 2
22: ((6 - 1) + 7) × 2
23: (6 - (1 - 7)) × 2
24: (6 × (1 + 7)) ÷ 2
25: 6 × (1 + 7) ÷ 2
26: 6 × ((1 + 7) ÷ 2)
27: 6 ÷ 2 ×(1 + 7)
28: (6 ÷ 2) × (1 + 7)
29: 6 ÷ (2 ÷ (1 + 7))
30: (6 - 2) × (7 - 1)
31: 6 ÷ 2 ×(7 + 1)
32: (6 ÷ 2) × (7 + 1)
33: 6 ÷ (2 ÷ (7 + 1))
34: (6 + 7 - 1) × 2
35: ((6 + 7) - 1) × 2
36: (6 + (7 - 1)) × 2
37: (6 × (7 + 1)) ÷ 2
38: 6 × (7 + 1) ÷ 2
39: 6 × ((7 + 1) ÷ 2)
40: 6 × (7 - (1 + 2))
41: 6 × (7 - 1 - 2)
42: 6 × ((7 - 1) - 2)
43: 6 × (7 - (2 + 1))
44: 6 × (7 - 2 - 1)
45: 6 × ((7 - 2) - 1)
46: (7 + 1) ÷ 2 × 6
47: ((7 + 1) ÷ 2) × 6
48: (7 + 1) ÷ (2 ÷ 6)
49: (7 - (1 + 2)) × 6
50: (7 - 1 - 2) × 6
51: ((7 - 1) - 2) × 6
52: (7 + 1) × 6 ÷ 2
53: ((7 + 1) × 6) ÷ 2
54: (7 + 1) × (6 ÷ 2)
55: (7 - 1 + 6) × 2
56: ((7 - 1) + 6) × 2
57: (7 - (1 - 6)) × 2
58: (7 - 1) × (6 - 2)
59: (7 - (2 + 1)) × 6
60: (7 - 2 - 1) × 6
61: ((7 - 2) - 1) × 6
62: (7 + 6 - 1) × 2
63: ((7 + 6) - 1) × 2
64: (7 + (6 - 1)) × 2
这是所以得算法了。。。。为什么不给换顺序啊？

追问

不知道啊

Answer 2

5x 1+ 2x 6+ 7=24

希望对你有帮助
学习进步O(∩_∩)O谢谢

追问

不改变顺序 求你了

追答

额

1 2 6 7 没有5？
这样组不成啊

追问

所以不会

追答

这个题不换顺序，无解的
题有问题

Answer 3

这是所有的算法，题目的答案是：此体无解.
6+7-1)*2
(6+(7-1))*2
((6+7)-1)*2
(7+6-1)*2
(7+(6-1))*2
((7+6)-1)*2
(1+7)*6/2
(1+7)*(6/2)
((1+7)*6)/2
(7+1)*6/2
(7+1)*(6/2)
((7+1)*6)/2
(1+7)/2*6
((1+7)/2)*6
(7+1)/2*6
((7+1)/2)*6
(1+7)/(2/6)
(7+1)/(2/6)
(6-1+7)*2
((6-1)+7)*2
(7-(1+2))*6
(7-1+6)*2
((7-1)+6)*2
(7-(2+1))*6
(6-(1-7))*2
(7-1-2)*6
((7-1)-2)*6
(7-(1-6))*2
(7-2-1)*6
((7-2)-1)*6
(1-7)*(2-6)
(2-6)*(1-7)
(6-2)*(7-1)
(7-1)*(6-2)
2*(6+7-1)
2*(6+(7-1))
2*((6+7)-1)
2*(7+6-1)
2*(7+(6-1))
2*((7+6)-1)
6*(1+7)/2
(6*(1+7))/2
6*((1+7)/2)
6*(7+1)/2
(6*(7+1))/2
6*((7+1)/2)
2*(6-1+7)
2*((6-1)+7)
2*(7-1+6)
2*((7-1)+6)
6*(7-(1+2))
6*(7-(2+1))
2*(6-(1-7))
2*(7-(1-6))
6*(7-1-2)
6*((7-1)-2)
6*(7-2-1)
6*((7-2)-1)
6/2*(1+7)
(6/2)*(1+7)
6/2*(7+1)
(6/2)*(7+1)
6/(2/(1+7))
6/(2/(7+1))

追问

额