5，5，5，1 + -* /（）只能用一次 加起来等于24

1: 5 × (5 - 1 ÷ 5)
2: 5 × (5 - (1 ÷ 5))
3: (5 - 1 ÷ 5) × 5
4: (5 - (1 ÷ 5)) × 5
还有个网站是算24点的，介绍给你啊！http://www.dffy.com/tool/24.htm

5 × (5 - 1 ÷ 5)=24
5 × (5 - (1 ÷ 5))=24
(5 - 1 ÷ 5) × 5=24
(5 - (1 ÷ 5)) × 5=24
1: 5 × (5 - 1 ÷ 5)
2: 5 × (5 - (1 ÷ 5))
3: (5 - 1 ÷ 5) × 5
4: (5 - (1 ÷ 5)) × 5

5 × (5 - 1 ÷ 5)=24
5 × (5 - (1 ÷ 5))=24
(5 - 1 ÷ 5) × 5=24
(5 - (1 ÷ 5)) × 5=24

1: 5 × (5 - 1 ÷ 5)
2: 5 × (5 - (1 ÷ 5))
3: (5 - 1 ÷ 5) × 5
4: (5 - (1 ÷ 5)) × 5
绝对是对的!
参考资料:http://www.dffy.com/tool/24.htm

1: 5 × (5 - 1 ÷ 5)
2: 5 × (5 - (1 ÷ 5))
3: (5 - 1 ÷ 5) × 5
4: (5 - (1 ÷ 5)) × 5

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