请问5.5.5.1,三个五一个一用加减乘除如何等于24

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1/5=5分之1
5-5分之1＝5分之24
5/5分之24＝24

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

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(5-1/5)*5

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5 × (5 - 1 ÷ 5)

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