24点题目：使用数字 1 2 6 6，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24个解（使用交换律变换后算一个解）,
难度系数是3星
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中等偏易24点题目
】。
| 序号 |
题目：1,2,6,6 |
| 1 |
((6 + 6) × 1) × 2 |
| 2 |
((6 + 6) × 2) × 1 |
| 3 |
(6 × (6 − 2)) × 1 |
| 4 |
(6 × (2 + 1)) + 6 |
| 5 |
(6 + (6 × 1)) × 2 |
| 6 |
(6 × 1) × (6 − 2) |
| 7 |
(6 + 6) × (2 × 1) |
| 8 |
6 × (6 − (2 × 1)) |
| 9 |
6 × ((6 − 2) × 1) |
| 10 |
6 × ((6 × 1) − 2) |
| 11 |
((6 + 6) ÷ 1) × 2 |
| 12 |
((6 + 6) × 2) ÷ 1 |
| 13 |
(6 ÷ 1) × (6 − 2) |
| 14 |
(6 + 6) × (2 ÷ 1) |
| 15 |
(6 × (6 − 2)) ÷ 1 |
| 16 |
(6 + (6 ÷ 1)) × 2 |
| 17 |
6 × ((6 ÷ 2) + 1) |
| 18 |
6 × (6 − (2 ÷ 1)) |
| 19 |
6 × ((6 ÷ 1) − 2) |
| 20 |
6 × ((6 − 2) ÷ 1) |
| 21 |
(6 + 6) ÷ (1 ÷ 2) |
| 22 |
(6 − 2) ÷ (1 ÷ 6) |
| 23 |
6 ÷ (1 ÷ (6 − 2)) |
| 24 |
2 ÷ (1 ÷ (6 + 6)) |