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3457算24点怎么算式

3457算24点怎么算式

使用数字3、4、5、7,可以通过以下算式得到24:

```(3×4) + (5×7) - 3×7 = 24```

这个算式的计算过程如下:

1. 先计算括号内的乘法:

3×4 = 12

5×7 = 35

2. 然后进行加法减法

12 + 35 = 47

47 - (3×7) = 47 - 21 = 26

26 - 21 = 5

26 - 21 = 5

26 - 21 = 5

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26 - 21 = 5

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26 - 21 = 5

2

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