作业帮 > 数学 > 作业

在1 2 3 4 5 6 7 8 9之间添加运算符号得数=1

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/10 14:02:37
在1 2 3 4 5 6 7 8 9之间添加运算符号得数=1
这道题挺有意思,我做出来了几个不同的方案,一看网上有很多答案,就给你复制过来了,希望可以帮助你.
1 :1 + 2 + 3 + 45 + 6 - 7 * 8 = 1
2 :1 + 2 + 3 + 45 - 6 * 7 - 8 = 1
3 :1 + 2 + 3 - 4 - 56 / 7 / 8 = 1
4 :1 + 2 + 3 * 4 - 5 + 6 - 7 - 8 = 1
5 :1 + 2 + 3 * 4 * 5 - 6 - 7 * 8 = 1
6 :1 + 2 + 3 / 4 * 56 / 7 - 8 = 1
7 :1 + 2 - 3 - 4 * 5 + 6 + 7 + 8 = 1
8 :1 + 2 - 3 * 4 + 5 + 6 + 7 - 8 = 1
9 :1 + 2 * 3 + 4 - 5 - 6 - 7 + 8 = 1
10 :1 + 2 * 3 - 4 + 5 - 6 + 7 - 8 = 1
11 :1 + 2 / 3 / 4 + 5 / 6 + 7 - 8 = 1
12 :1 - 2 + 3 + 4 * 5 - 6 - 7 - 8 = 1
13 :1 - 2 + 3 * 4 - 5 - 6 - 7 + 8 = 1
14 :1 - 2 - 3 + 4 + 56 / 7 / 8 = 1
15 :1 - 2 - 3 - 45 + 6 * 7 + 8 = 1
16 :1 - 2 - 3 - 45 - 6 + 7 * 8 = 1
17 :1 - 2 - 3 * 4 + 5 - 6 + 7 + 8 = 1
18 :1 - 2 - 3 * 4 * 5 + 6 + 7 * 8 = 1
19 :1 - 2 - 3 / 4 * 56 / 7 + 8 = 1
20 :1 - 2 * 3 + 4 - 5 + 6 - 7 + 8 = 1
21 :1 - 2 * 3 - 4 + 5 + 6 + 7 - 8 = 1
22 :1 - 2 / 3 / 4 - 5 / 6 - 7 + 8 = 1
23 :1 * 2 + 3 - 4 + 5 - 6 - 7 + 8 = 1
24 :1 * 2 + 3 - 4 + 56 - 7 * 8 = 1
25 :1 * 2 + 3 - 4 + 56 / 7 - 8 = 1
26 :1 * 2 + 3 - 4 - 5 + 6 + 7 - 8 = 1
27 :1 * 2 + 3 - 4 - 56 + 7 * 8 = 1
28 :1 * 2 + 3 - 4 - 56 / 7 + 8 = 1
29 :1 * 2 + 3 - 4 * 56 / 7 / 8 = 1
30 :1 * 2 + 3 - 4 / 56 * 7 * 8 = 1
31 :1 * 2 - 3 + 4 + 5 - 6 + 7 - 8 = 1
32 :1 * 2 - 3 * 4 * 5 + 67 - 8 = 1
33 :1 * 2 - 3 / 4 + 5 - 6 * 7 / 8 = 1
34 :1 * 2 * 3 + 45 + 6 - 7 * 8 = 1
35 :1 * 2 * 3 + 45 - 6 * 7 - 8 = 1
36 :1 * 2 * 3 - 4 - 56 / 7 / 8 = 1
37 :1 * 2 * 34 + 5 + 6 - 78 = 1
38 :1 * 2 * 34 - 5 - 6 - 7 * 8 = 1
39 :1 * 23 + 4 + 5 * 6 - 7 * 8 = 1
40 :1 * 23 + 4 - 5 - 6 - 7 - 8 = 1
41 :1 / 2 + 3 / 4 + 5 - 6 * 7 / 8 = 1
42 :1 / 2 * 34 + 5 - 6 - 7 - 8 = 1
43 :1 / 2 * 34 - 56 / 7 - 8 = 1
44 :1 / 2 * 34 * 5 - 6 - 78 = 1
45 :12 + 3 + 4 * 5 - 6 * 7 + 8 = 1
46 :12 + 3 + 45 - 67 + 8 = 1
47 :12 + 3 - 4 - 5 - 6 - 7 + 8 = 1
48 :12 + 34 + 5 + 6 - 7 * 8 = 1
49 :12 + 34 + 5 - 6 * 7 - 8 = 1
50 :12 + 34 - 5 * 6 - 7 - 8 = 1
51 :12 - 3 + 4 - 5 - 6 + 7 - 8 = 1
52 :12 - 3 - 4 + 5 + 6 - 7 - 8 = 1
53 :12 - 3 * 4 + 56 / 7 / 8 = 1
54 :12 - 3 * 4 * 5 / 6 + 7 - 8 = 1
55 :12 - 3 / 4 - 5 - 6 * 7 / 8 = 1
56 :12 * 3 + 4 - 5 - 6 * 7 + 8 = 1
57 :12 * 3 - 4 - 5 * 6 + 7 - 8 = 1
58 :12 / 3 - 4 + 56 / 7 / 8 = 1
59 :12 / 3 * 4 - 5 * 6 + 7 + 8 = 1
60 :12 / 3 / 4 + 5 - 6 - 7 + 8 = 1
61 :12 / 3 / 4 + 56 - 7 * 8 = 1
62 :12 / 3 / 4 + 56 / 7 - 8 = 1
63 :12 / 3 / 4 - 5 + 6 + 7 - 8 = 1
64 :12 / 3 / 4 - 56 + 7 * 8 = 1
65 :12 / 3 / 4 - 56 / 7 + 8 = 1
66 :12 / 3 / 4 * 56 / 7 / 8 = 1
67 :12 / 3 / 4 / 56 * 7 * 8 = 1
希望得到你的肯定.