24点 4 5 10 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 4 5 10 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 34 个解(使用交换律变换后算一个解),难度系数 ★★★☆☆☆☆☆ 【 中等偏易24点题目 】
本题共有 34 个解(使用交换律变换后算一个解),难度系数 ★★★☆☆☆☆☆ 【 中等偏易24点题目 】
| 序号 | 题目:4,5,10,12 的解法 | |
|---|---|---|
| 1 | ((12 × 5) × 4) ÷ 10 | |
| 2 | ((12 × 5) ÷ 10) × 4 | |
| 3 | ((12 × 4) × 5) ÷ 10 | |
| 4 | ((5 × 4) × 12) ÷ 10 | |
| 5 | (12 × 4) ÷ (10 ÷ 5) | |
| 6 | (12 ÷ (10 ÷ 5)) × 4 | |
| 7 | 12 × ((5 × 4) ÷ 10) | |
| 8 | 12 × (4 ÷ (10 ÷ 5)) | |
| 9 | 12 × (4 − (10 ÷ 5)) | |
| 10 | (12 × 5) × (4 ÷ 10) | |
| 11 | (12 × 5) ÷ (10 ÷ 4) | |
| 12 | (5 × 4) ÷ (10 ÷ 12) | |
| 13 | (12 × (5 ÷ 10)) × 4 | |
| 14 | (5 × 4) × (12 ÷ 10) | |
| 15 | (5 ÷ (10 ÷ 12)) × 4 | |
| 16 | (12 × 4) × (5 ÷ 10) | |
| 17 | (5 × (12 ÷ 10)) × 4 | |
| 18 | 5 ÷ (10 ÷ (12 × 4)) | |
| 19 | 12 × (5 ÷ (10 ÷ 4)) | |
| 20 | 4 ÷ ((10 ÷ 5) ÷ 12) | |
| 21 | 5 ÷ ((10 ÷ 12) ÷ 4) | |
| 22 | 12 × (5 × (4 ÷ 10)) | |
| 23 | 12 ÷ ((10 ÷ 5) ÷ 4) | |
| 24 | 5 ÷ ((10 ÷ 4) ÷ 12) | |
| 25 | 12 ÷ ((10 ÷ 4) ÷ 5) | |
| 26 | 4 ÷ ((10 ÷ 12) ÷ 5) | |
| 27 | 5 × (12 × (4 ÷ 10)) | |
| 28 | 5 × (4 ÷ (10 ÷ 12)) | |
| 29 | 12 × (4 × (5 ÷ 10)) | |
| 30 | 4 ÷ (10 ÷ (12 × 5)) | |
| 31 | 5 × ((12 × 4) ÷ 10) | |
| 32 | 5 × (4 × (12 ÷ 10)) | |
| 33 | 12 ÷ (10 ÷ (5 × 4)) | |
| 34 | 5 × (12 ÷ (10 ÷ 4)) | |