用1,3,7,12算24点

来源：百度知道 编辑：UC知道 时间：2024/05/19 22:57:54
可以用加减乘除乘方，拜托啦~~~~

12/3*（7-1）＝24

给你这个，很好用
http://www.dffy.com/tool/24.htm

1: (7 - 1) ÷ 3 × 12
2: ((7 - 1) ÷ 3) × 12
3: (7 - 1) ÷ (3 ÷ 12)
4: (7 - 1) × 12 ÷ 3
5: ((7 - 1) × 12) ÷ 3
6: (7 - 1) × (12 ÷ 3)
7: 12 ÷ 3 ×(7 - 1)
8: (12 ÷ 3) × (7 - 1)
9: 12 ÷ (3 ÷ (7 - 1))
10: (12 × (7 - 1)) ÷ 3
11: 12 × (7 - 1) ÷ 3
12: 12 × ((7 - 1) ÷ 3)

1: (7 - 1) ÷ 3 × 12=24
2: ((7 - 1) ÷ 3) × 12=24
3: (7 - 1) ÷ (3 ÷ 12)=24
4: (7 - 1) × 12 ÷ 3=24
5: ((7 - 1) × 12) ÷ 3=24
6: (7 - 1) × (12 ÷ 3)=24
7: 12 ÷ 3 ×(7 - 1)=24
8: (12 ÷ 3) × (7 - 1)=24
9: 12 ÷ (3 ÷ (7 - 1))=24
10: (12 × (7 - 1)) ÷ 3=24
11: 12 × (7 - 1) ÷ 3=24
12: 12 × ((7 - 1) ÷ 3)=24