24点题目:使用数字 1 5 8 11,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31个解(使用交换律变换后算一个解),
难度系数是3星
★★★☆☆☆☆☆【
中等偏易24点题目
】。
| 序号 |
题目:1,5,8,11 |
| 1 |
((11 × 1) + 5) + 8 |
| 2 |
((8 − 1) × 5) − 11 |
| 3 |
((8 + 5) + 11) × 1 |
| 4 |
((11 + 8) × 1) + 5 |
| 5 |
((11 + 5) + 8) × 1 |
| 6 |
((11 × 1) + 8) + 5 |
| 7 |
((11 + 8) + 5) × 1 |
| 8 |
((8 × 1) + 5) + 11 |
| 9 |
((11 + 5) × 1) + 8 |
| 10 |
((8 + 5) × 1) + 11 |
| 11 |
(8 + (5 × 1)) + 11 |
| 12 |
(11 + (5 × 1)) + 8 |
| 13 |
(8 + 5) + (11 × 1) |
| 14 |
(11 + (8 × 1)) + 5 |
| 15 |
(11 + 5) + (8 × 1) |
| 16 |
(11 + 8) + (5 × 1) |
| 17 |
((11 + 8) + 5) ÷ 1 |
| 18 |
((11 ÷ 1) + 8) + 5 |
| 19 |
((11 + 8) ÷ 1) + 5 |
| 20 |
((8 + 5) ÷ 1) + 11 |
| 21 |
((8 ÷ 1) + 5) + 11 |
| 22 |
((8 + 5) + 11) ÷ 1 |
| 23 |
((11 ÷ 1) + 5) + 8 |
| 24 |
((11 + 5) ÷ 1) + 8 |
| 25 |
((11 + 5) + 8) ÷ 1 |
| 26 |
(11 + 8) + (5 ÷ 1) |
| 27 |
(8 + (5 ÷ 1)) + 11 |
| 28 |
(11 + (8 ÷ 1)) + 5 |
| 29 |
(8 + 5) + (11 ÷ 1) |
| 30 |
(11 + 5) + (8 ÷ 1) |
| 31 |
(11 + (5 ÷ 1)) + 8 |