24点题目：使用数字 1 2 3 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52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：1,2,3,4 |
| 1 |
((4 × 3) × 2) × 1 |
| 2 |
((3 × 2) × 4) × 1 |
| 3 |
((4 × 1) × 2) × 3 |
| 4 |
((3 + 1) + 2) × 4 |
| 5 |
((4 × 3) × 1) × 2 |
| 6 |
((4 × 1) × 3) × 2 |
| 7 |
((4 × 2) × 1) × 3 |
| 8 |
((3 × 1) × 2) × 4 |
| 9 |
((4 × 2) × 3) × 1 |
| 10 |
((3 × 2) × 1) × 4 |
| 11 |
((3 + 2) + 1) × 4 |
| 12 |
(4 × (2 × 1)) × 3 |
| 13 |
(4 × 3) × (2 × 1) |
| 14 |
(3 + (2 + 1)) × 4 |
| 15 |
(3 × 2) × (4 × 1) |
| 16 |
(4 × (3 × 1)) × 2 |
| 17 |
(4 + 2) × (3 + 1) |
| 18 |
(3 × (2 × 1)) × 4 |
| 19 |
(4 × 2) × (3 × 1) |
| 20 |
((3 × 2) × 4) ÷ 1 |
| 21 |
((4 ÷ 1) × 2) × 3 |
| 22 |
((4 × 3) ÷ 1) × 2 |
| 23 |
((3 × 2) ÷ 1) × 4 |
| 24 |
((4 × 2) ÷ 1) × 3 |
| 25 |
((4 × 2) × 3) ÷ 1 |
| 26 |
((4 × 3) × 2) ÷ 1 |
| 27 |
((4 ÷ 1) × 3) × 2 |
| 28 |
((3 ÷ 1) × 2) × 4 |
| 29 |
(4 × 3) × (2 ÷ 1) |
| 30 |
(4 × (3 ÷ 1)) × 2 |
| 31 |
(3 × 2) × (4 ÷ 1) |
| 32 |
(4 × 2) × (3 ÷ 1) |
| 33 |
(3 × (2 ÷ 1)) × 4 |
| 34 |
(4 × (2 ÷ 1)) × 3 |
| 35 |
(2 ÷ (1 ÷ 4)) × 3 |
| 36 |
(4 × 2) ÷ (1 ÷ 3) |
| 37 |
(4 ÷ (1 ÷ 2)) × 3 |
| 38 |
(2 ÷ (1 ÷ 3)) × 4 |
| 39 |
(3 ÷ (1 ÷ 4)) × 2 |
| 40 |
(4 × 3) ÷ (1 ÷ 2) |
| 41 |
(4 ÷ (1 ÷ 3)) × 2 |
| 42 |
(3 ÷ (1 ÷ 2)) × 4 |
| 43 |
(3 × 2) ÷ (1 ÷ 4) |
| 44 |
2 ÷ ((1 ÷ 4) ÷ 3) |
| 45 |
4 ÷ ((1 ÷ 2) ÷ 3) |
| 46 |
3 ÷ ((1 ÷ 2) ÷ 4) |
| 47 |
2 ÷ ((1 ÷ 3) ÷ 4) |
| 48 |
2 ÷ (1 ÷ (4 × 3)) |
| 49 |
3 ÷ (1 ÷ (4 × 2)) |
| 50 |
3 ÷ ((1 ÷ 4) ÷ 2) |
| 51 |
4 ÷ ((1 ÷ 3) ÷ 2) |
| 52 |
4 ÷ (1 ÷ (3 × 2)) |