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5,6,7,1 算24点 谢谢

(1-7)+5×6

只用加减乘除无解,用阶乘可行: (5+5+1-7)!=4!=24

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

(5-7÷7)×6=24 如有疑问,请追问;如已解决,请采纳

1: (5 - 7 ÷ 7) × 6 2: (5 - (7 ÷ 7)) × 6 3: 6 × (5 - 7 ÷ 7) 4: 6 × (5 - (7 ÷ 7))

一共四种方法,如下: 1: 6 × (5 - 7 ÷ 7) 2: 6 × (5 - (7 ÷ 7)) 3: (5 - 7 ÷ 7) × 6 4: (5 - (7 ÷ 7)) × 6

6x8÷(7-5)=24

(10+6-5-7)!=4!=24 那个符号是“阶乘”

7一5=2X9=18+6=24

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