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