24点题目：使用数字 1 1 11 12，利用加减乘除、括号算出24。数字顺序可以任意调换，下面列出所有可行算式。
本题共有32个解（使用交换律变换后算一个解）,
难度系数是1星
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最简单入门24点题目
】。
| 序号 |
题目：1,1,11,12 |
| 1 |
((12 × 1) + 11) + 1 |
| 2 |
((12 + 11) + 1) × 1 |
| 3 |
((12 + 1) + 11) × 1 |
| 4 |
((12 × 1) + 1) + 11 |
| 5 |
((12 + 1) × 1) + 11 |
| 6 |
((12 + 11) × 1) + 1 |
| 7 |
(12 + (1 × 1)) + 11 |
| 8 |
(12 × 1) + (11 + 1) |
| 9 |
(12 + (11 + 1)) × 1 |
| 10 |
(12 + (11 × 1)) + 1 |
| 11 |
(11 + 1) + (12 × 1) |
| 12 |
(12 + 11) + (1 × 1) |
| 13 |
(12 + 1) + (11 × 1) |
| 14 |
12 + ((11 + 1) × 1) |
| 15 |
12 + (11 + (1 × 1)) |
| 16 |
12 + ((11 × 1) + 1) |
| 17 |
((12 ÷ 1) + 11) + 1 |
| 18 |
((12 + 11) ÷ 1) + 1 |
| 19 |
((12 + 11) + 1) ÷ 1 |
| 20 |
((12 + 1) ÷ 1) + 11 |
| 21 |
((12 + 1) + 11) ÷ 1 |
| 22 |
((12 ÷ 1) + 1) + 11 |
| 23 |
(12 ÷ 1) + (11 + 1) |
| 24 |
(12 + (11 ÷ 1)) + 1 |
| 25 |
(12 + (11 + 1)) ÷ 1 |
| 26 |
(12 + 11) + (1 ÷ 1) |
| 27 |
(12 + (1 ÷ 1)) + 11 |
| 28 |
(11 + 1) + (12 ÷ 1) |
| 29 |
(12 + 1) + (11 ÷ 1) |
| 30 |
12 + (11 + (1 ÷ 1)) |
| 31 |
12 + ((11 + 1) ÷ 1) |
| 32 |
12 + ((11 ÷ 1) + 1) |