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