24点题目：使用数字 2 3 4 4，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23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：2,3,4,4 |
| 1 |
((3 + 2) × 4) + 4 |
| 2 |
(4 × 3) × (4 − 2) |
| 3 |
(4 × (4 − 2)) × 3 |
| 4 |
(3 × (4 − 2)) × 4 |
| 5 |
((4 × 3) × 4) ÷ 2 |
| 6 |
((4 × 4) ÷ 2) × 3 |
| 7 |
((4 × 4) × 3) ÷ 2 |
| 8 |
((4 × 3) ÷ 2) × 4 |
| 9 |
(3 × (4 ÷ 2)) × 4 |
| 10 |
(4 × (4 ÷ 2)) × 3 |
| 11 |
(4 × 3) × (4 ÷ 2) |
| 12 |
(3 ÷ (2 ÷ 4)) × 4 |
| 13 |
(4 × 4) × (3 ÷ 2) |
| 14 |
(4 × 4) ÷ (2 ÷ 3) |
| 15 |
(4 ÷ (2 ÷ 3)) × 4 |
| 16 |
(4 × (3 ÷ 2)) × 4 |
| 17 |
(4 ÷ (2 ÷ 4)) × 3 |
| 18 |
(4 × 3) ÷ (2 ÷ 4) |
| 19 |
3 ÷ ((2 ÷ 4) ÷ 4) |
| 20 |
3 ÷ (2 ÷ (4 × 4)) |
| 21 |
4 ÷ ((2 ÷ 4) ÷ 3) |
| 22 |
4 ÷ (2 ÷ (4 × 3)) |
| 23 |
4 ÷ ((2 ÷ 3) ÷ 4) |