24点 2 4 4 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 4 4 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 57 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 57 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:2,4,4,12 的解法 | |
|---|---|---|
| 1 | ((12 + 4) − 4) × 2 | |
| 2 | ((12 − 4) − 2) × 4 | |
| 3 | ((12 × 2) − 4) + 4 | |
| 4 | ((12 − 2) − 4) × 4 | |
| 5 | ((12 − 4) + 4) × 2 | |
| 6 | ((12 × 2) + 4) − 4 | |
| 7 | (12 − (4 + 2)) × 4 | |
| 8 | (12 + (4 − 4)) × 2 | |
| 9 | (12 × 2) + (4 − 4) | |
| 10 | (12 + 4) + (4 × 2) | |
| 11 | (12 + (4 × 2)) + 4 | |
| 12 | (12 × 2) − (4 − 4) | |
| 13 | (12 − (4 − 4)) × 2 | |
| 14 | 12 × ((4 + 2) − 4) | |
| 15 | 12 × (2 + (4 − 4)) | |
| 16 | 12 + ((4 × 2) + 4) | |
| 17 | 12 × (4 − (4 − 2)) | |
| 18 | 12 × (2 − (4 − 4)) | |
| 19 | ((12 × 2) × 4) ÷ 4 | |
| 20 | ((12 ÷ 4) × 2) × 4 | |
| 21 | ((12 × 4) × 2) ÷ 4 | |
| 22 | ((12 × 2) ÷ 4) × 4 | |
| 23 | ((12 × 4) ÷ 4) × 2 | |
| 24 | (12 × 2) × (4 ÷ 4) | |
| 25 | (12 × 4) ÷ (4 ÷ 2) | |
| 26 | (12 × 2) ÷ (4 ÷ 4) | |
| 27 | (4 × (12 ÷ 4)) × 2 | |
| 28 | (4 × 2) × (12 ÷ 4) | |
| 29 | (12 ÷ (4 ÷ 2)) × 4 | |
| 30 | (12 ÷ (4 − 2)) × 4 | |
| 31 | (12 ÷ (4 ÷ 4)) × 2 | |
| 32 | (12 × (4 × 2)) ÷ 4 | |
| 33 | (12 × 4) ÷ (4 − 2) | |
| 34 | (12 × (4 ÷ 4)) × 2 | |
| 35 | 12 × (2 ÷ (4 ÷ 4)) | |
| 36 | 12 × ((4 × 2) ÷ 4) | |
| 37 | 12 × (4 − (4 ÷ 2)) | |
| 38 | 12 × (4 ÷ (4 ÷ 2)) | |
| 39 | 12 × (2 × (4 ÷ 4)) | |
| 40 | 12 × (4 ÷ (4 − 2)) | |
| 41 | (4 ÷ (4 ÷ 12)) × 2 | |
| 42 | (12 × 4) × (2 ÷ 4) | |
| 43 | (12 × (2 ÷ 4)) × 4 | |
| 44 | (4 × 2) ÷ (4 ÷ 12) | |
| 45 | (2 ÷ (4 ÷ 12)) × 4 | |
| 46 | 12 ÷ (4 ÷ (4 × 2)) | |
| 47 | 12 × (4 × (2 ÷ 4)) | |
| 48 | 4 ÷ ((4 ÷ 12) ÷ 2) | |
| 49 | 2 ÷ (4 ÷ (12 × 4)) | |
| 50 | 4 ÷ ((4 ÷ 2) ÷ 12) | |
| 51 | 2 ÷ ((4 ÷ 4) ÷ 12) | |
| 52 | 12 ÷ ((4 ÷ 2) ÷ 4) | |
| 53 | 4 ÷ ((4 − 2) ÷ 12) | |
| 54 | 2 ÷ ((4 ÷ 12) ÷ 4) | |
| 55 | 12 ÷ ((4 − 2) ÷ 4) | |
| 56 | 12 ÷ ((4 ÷ 4) ÷ 2) | |
| 57 | 4 ÷ (4 ÷ (12 × 2)) | |