24点题目:使用数字 1 4 6 12,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31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:1,4,6,12 |
| 1 |
((12 − 6) × 1) × 4 |
| 2 |
((12 × 1) − 6) × 4 |
| 3 |
((12 − 6) × 4) × 1 |
| 4 |
(12 × 1) × (6 − 4) |
| 5 |
(12 × (6 − 4)) × 1 |
| 6 |
(12 − (6 × 1)) × 4 |
| 7 |
(12 − 6) × (4 × 1) |
| 8 |
12 × ((6 × 1) − 4) |
| 9 |
12 × ((6 − 4) × 1) |
| 10 |
12 × (6 − (4 × 1)) |
| 11 |
((12 − 6) ÷ 1) × 4 |
| 12 |
((12 − 6) × 4) ÷ 1 |
| 13 |
((12 ÷ 1) − 6) × 4 |
| 14 |
(12 × (6 − 4)) ÷ 1 |
| 15 |
(12 ÷ 1) × (6 − 4) |
| 16 |
(12 − (6 ÷ 1)) × 4 |
| 17 |
(12 × 6) ÷ (4 − 1) |
| 18 |
(12 − 6) × (4 ÷ 1) |
| 19 |
6 × (12 ÷ (4 − 1)) |
| 20 |
6 × ((12 ÷ 4) + 1) |
| 21 |
12 × ((6 ÷ 1) − 4) |
| 22 |
12 × ((6 − 4) ÷ 1) |
| 23 |
12 × (6 ÷ (4 − 1)) |
| 24 |
12 × (6 − (4 ÷ 1)) |
| 25 |
(6 − 4) ÷ (1 ÷ 12) |
| 26 |
(12 − 6) ÷ (1 ÷ 4) |
| 27 |
12 ÷ (1 ÷ (6 − 4)) |
| 28 |
12 ÷ ((4 − 1) ÷ 6) |
| 29 |
12 ÷ ((6 ÷ 4) − 1) |
| 30 |
6 ÷ ((4 − 1) ÷ 12) |
| 31 |
4 ÷ (1 ÷ (12 − 6)) |