24点题目：使用数字 1 1 3 8，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73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：1,1,3,8 |
| 1 |
((8 × 3) × 1) × 1 |
| 2 |
((8 × 1) × 3) × 1 |
| 3 |
((8 × 1) × 1) × 3 |
| 4 |
((8 − 1) + 1) × 3 |
| 5 |
((8 × 3) − 1) + 1 |
| 6 |
((8 + 1) − 1) × 3 |
| 7 |
((8 × 3) + 1) − 1 |
| 8 |
(8 × 3) + (1 − 1) |
| 9 |
(8 × (3 × 1)) × 1 |
| 10 |
(8 × 1) × (3 × 1) |
| 11 |
(8 × 3) × (1 × 1) |
| 12 |
(8 × 3) − (1 − 1) |
| 13 |
(8 × (1 × 1)) × 3 |
| 14 |
(8 + (1 − 1)) × 3 |
| 15 |
(8 − (1 − 1)) × 3 |
| 16 |
8 × ((3 + 1) − 1) |
| 17 |
8 × ((3 − 1) + 1) |
| 18 |
8 × (3 − (1 − 1)) |
| 19 |
8 × ((3 × 1) × 1) |
| 20 |
8 × (3 + (1 − 1)) |
| 21 |
8 × (3 × (1 × 1)) |
| 22 |
((8 × 3) × 1) ÷ 1 |
| 23 |
((8 ÷ 1) × 3) × 1 |
| 24 |
((8 × 3) ÷ 1) ÷ 1 |
| 25 |
((8 × 3) ÷ 1) × 1 |
| 26 |
((8 ÷ 1) ÷ 1) × 3 |
| 27 |
((8 ÷ 1) × 3) ÷ 1 |
| 28 |
((8 × 1) ÷ 1) × 3 |
| 29 |
((8 ÷ 1) × 1) × 3 |
| 30 |
((8 × 1) × 3) ÷ 1 |
| 31 |
(8 × 3) ÷ (1 ÷ 1) |
| 32 |
(8 ÷ (1 ÷ 1)) × 3 |
| 33 |
(8 × (3 ÷ 1)) × 1 |
| 34 |
(8 × (3 ÷ 1)) ÷ 1 |
| 35 |
(8 ÷ (1 × 1)) × 3 |
| 36 |
(8 ÷ 1) × (3 ÷ 1) |
| 37 |
(8 × 1) × (3 ÷ 1) |
| 38 |
(8 × 3) × (1 ÷ 1) |
| 39 |
(8 ÷ 1) × (3 × 1) |
| 40 |
(8 × (3 × 1)) ÷ 1 |
| 41 |
(8 × 3) ÷ (1 × 1) |
| 42 |
(8 × (1 ÷ 1)) × 3 |
| 43 |
8 × (3 ÷ (1 × 1)) |
| 44 |
8 × ((3 ÷ 1) ÷ 1) |
| 45 |
8 × (3 × (1 ÷ 1)) |
| 46 |
8 × ((3 ÷ 1) × 1) |
| 47 |
8 × ((3 × 1) ÷ 1) |
| 48 |
8 × (3 ÷ (1 ÷ 1)) |
| 49 |
(8 ÷ 1) ÷ (1 ÷ 3) |
| 50 |
(8 ÷ (1 ÷ 3)) ÷ 1 |
| 51 |
(3 ÷ (1 ÷ 8)) × 1 |
| 52 |
(3 ÷ 1) ÷ (1 ÷ 8) |
| 53 |
(3 × 1) ÷ (1 ÷ 8) |
| 54 |
(1 ÷ (1 ÷ 8)) × 3 |
| 55 |
(3 ÷ (1 ÷ 8)) ÷ 1 |
| 56 |
(8 × 1) ÷ (1 ÷ 3) |
| 57 |
(8 ÷ (1 ÷ 3)) × 1 |
| 58 |
3 ÷ (1 ÷ (8 × 1)) |
| 59 |
3 ÷ (1 ÷ (8 ÷ 1)) |
| 60 |
1 ÷ ((1 ÷ 3) ÷ 8) |
| 61 |
1 ÷ ((1 ÷ 8) ÷ 3) |
| 62 |
3 ÷ ((1 ÷ 8) ÷ 1) |
| 63 |
8 ÷ ((1 ÷ 3) ÷ 1) |
| 64 |
3 ÷ ((1 ÷ 1) ÷ 8) |
| 65 |
8 ÷ (1 × (1 ÷ 3)) |
| 66 |
3 ÷ ((1 × 1) ÷ 8) |
| 67 |
3 ÷ (1 × (1 ÷ 8)) |
| 68 |
8 ÷ ((1 ÷ 1) ÷ 3) |
| 69 |
8 × (1 ÷ (1 ÷ 3)) |
| 70 |
8 ÷ ((1 × 1) ÷ 3) |
| 71 |
8 ÷ (1 ÷ (3 × 1)) |
| 72 |
8 ÷ (1 ÷ (3 ÷ 1)) |
| 73 |
1 ÷ (1 ÷ (8 × 3)) |