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