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