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