5 4 7 8 怎么算24点

5 4 7 8 怎么算24点
5 4 7 8 怎么算24点

5 4 7 8 怎么算24点
（5+7）÷4×8=24

（5+7）÷4×8=24
5+4+7+8=24
4×(5+8-7)=24

5+4+7+8=24
4*(5+8-7)=24

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6: 5 + (4 + 7) + 8
7: 5 + (4 + 7 + 8)
8: 5 + ((4 + 7) + 8)
9: ...

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