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用1,2,4,7算24点

1, 2, 4, 7的24点答案: 1: (1 - 2 + 7) × 4 2: ((1 - 2) + 7) × 4 3: (1 - (2 - 7)) × 4 4: (1 + 4 + 7) × 2 5: ((1 + 4) + 7) × 2 6: (1 + (4 + 7)) × 2 7: (1 + 7 - 2) × 4 8: ((1 + 7) - 2) × 4 9: (1 + (7 - 2)) × 4 10: (1 + 7 + 4) × 2 1...

4×(7+1-2)=24

4*(7+1-2)=24 2*(1+4+7)=24

数理答疑团为您解答,希望对你有所帮助。 2*8+1+7=24 (7-1)*8/2=24 (1+7)*2+8=24 祝你学习进步,更上一层楼! (*^__^*)

如下: 4x(7+1-2)=24 2x(1+4+7)=24

1, 2, 6, 7的24点答案: 1: (1 + 7) ÷ 2 × 6 2: ((1 + 7) ÷ 2) × 6 3: (1 + 7) ÷ (2 ÷ 6) 4: (1 - 7) × (2 - 6) 5: (1 + 7) × 6 ÷ 2 6: ((1 + 7) × 6) ÷ 2 7: (1 + 7) × (6 ÷ 2) 8: (2 - 6) × (1 - 7) 9: 2 × (6 - 1 + 7) 10: 2 × ((6 - 1) + 7)...

一共有5个1,2个6,3个3,2个4,1个2. 首先想到4*6=24,这里有2个4*6,把它们相加再除以2,得24. 还有5个1,3个3,尝试把所有3变成1,3/3=1,3-1-1=1. 把他们合起来,就是: (4*6+4*6)/2*3/3*(3-1-1)*1*1*1. 黑白搭调6283 2014-11-28

(5-(2-3))*4 ((5-2)+3)*4 ((5+3)-2)*4 (5+(3-2))*4 ((5+3)+4)*2 (5+(3+4))*2 ((5+4)+3)*2 (5+(4+3))*2 2*((5+3)+4) 2*(5+(3+4)) 2*((5+4)+3) 2*(5+(4+3)) 2*((3+5)+4) 2*(3+(5+4)) 2*((3+4)+5) 2*(3+(4+5)) 2*((4+5)+3) 2*(4+(5+3)) 2*((4+3)+5)...

可以是: (9-1-2)×4=24 (9+4-1)×2=24 (1+9)×2+4=24

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

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