24点题目：使用数字 4 6 13 13，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54个解（使用交换律变换后算一个解）,
难度系数是1星
★☆☆☆☆☆☆☆【
最简单入门24点题目
】。
| 序号 |
题目：4,6,13,13 |
| 1 |
((13 + 4) + 13) − 6 |
| 2 |
((6 × 4) + 13) − 13 |
| 3 |
((13 + 6) − 13) × 4 |
| 4 |
((13 + 13) − 6) + 4 |
| 5 |
((13 + 13) + 4) − 6 |
| 6 |
(6 + (13 − 13)) × 4 |
| 7 |
(6 × 4) + (13 − 13) |
| 8 |
(6 − (13 − 13)) × 4 |
| 9 |
(13 + 4) + (13 − 6) |
| 10 |
(13 − (13 − 6)) × 4 |
| 11 |
(13 + 13) − (6 − 4) |
| 12 |
(6 × 4) − (13 − 13) |
| 13 |
(13 + (13 − 6)) + 4 |
| 14 |
6 × (13 − (13 − 4)) |
| 15 |
13 + ((13 + 4) − 6) |
| 16 |
6 × (4 + (13 − 13)) |
| 17 |
13 + (13 − (6 − 4)) |
| 18 |
6 × (4 − (13 − 13)) |
| 19 |
13 + ((13 − 6) + 4) |
| 20 |
13 + ((6 × 4) − 13) |
| 21 |
6 × ((13 + 4) − 13) |
| 22 |
((13 × 6) × 4) ÷ 13 |
| 23 |
((13 × 4) × 6) ÷ 13 |
| 24 |
((13 × 6) ÷ 13) × 4 |
| 25 |
((6 × 4) × 13) ÷ 13 |
| 26 |
(6 ÷ (13 ÷ 13)) × 4 |
| 27 |
(6 × 4) × (13 ÷ 13) |
| 28 |
(6 × 4) ÷ (13 ÷ 13) |
| 29 |
(6 × (13 ÷ 13)) × 4 |
| 30 |
6 × (4 ÷ (13 ÷ 13)) |
| 31 |
6 × (4 × (13 ÷ 13)) |
| 32 |
6 × ((13 × 4) ÷ 13) |
| 33 |
(13 × 6) ÷ (13 ÷ 4) |
| 34 |
(13 × 6) × (4 ÷ 13) |
| 35 |
(13 × 4) ÷ (13 ÷ 6) |
| 36 |
(13 × 4) × (6 ÷ 13) |
| 37 |
(13 ÷ (13 ÷ 6)) × 4 |
| 38 |
(13 × (6 ÷ 13)) × 4 |
| 39 |
4 ÷ ((13 ÷ 13) ÷ 6) |
| 40 |
13 × (4 ÷ (13 ÷ 6)) |
| 41 |
4 ÷ ((13 ÷ 6) ÷ 13) |
| 42 |
13 × (6 ÷ (13 ÷ 4)) |
| 43 |
6 ÷ ((13 ÷ 13) ÷ 4) |
| 44 |
6 × (13 ÷ (13 ÷ 4)) |
| 45 |
6 ÷ (13 ÷ (13 × 4)) |
| 46 |
13 × (4 × (6 ÷ 13)) |
| 47 |
13 ÷ ((13 ÷ 6) ÷ 4) |
| 48 |
13 ÷ (13 ÷ (6 × 4)) |
| 49 |
4 ÷ (13 ÷ (13 × 6)) |
| 50 |
13 × (6 × (4 ÷ 13)) |
| 51 |
13 × ((6 × 4) ÷ 13) |
| 52 |
6 ÷ ((13 ÷ 4) ÷ 13) |
| 53 |
13 ÷ ((13 ÷ 4) ÷ 6) |
| 54 |
6 × (13 × (4 ÷ 13)) |