1,3,5,7,怎么做24点?
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2007-03-03
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一楼重复的,其实就1,2两种方法,二楼的错的,三楼的答案一楼有了,四楼你是抄一楼的吧?
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1, 3, 5, 7的24点答案:
1: (1 + 5) × (7 - 3)
2: (3 - 1) × (5 + 7)
3: (3 - 1) × (7 + 5)
4: (5 + 1) × (7 - 3)
5: (5 + 7) × (3 - 1)
6: (7 - 3) × (1 + 5)
7: (7 - 3) × (5 + 1)
8: (7 + 5) × (3 - 1)
1: (1 + 5) × (7 - 3)
2: (3 - 1) × (5 + 7)
3: (3 - 1) × (7 + 5)
4: (5 + 1) × (7 - 3)
5: (5 + 7) × (3 - 1)
6: (7 - 3) × (1 + 5)
7: (7 - 3) × (5 + 1)
8: (7 + 5) × (3 - 1)
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1: (1 + 5) × (7 - 3)
2: (3 - 1) × (5 + 7)
3: (3 - 1) × (7 + 5)
4: (5 + 1) × (7 - 3)
5: (5 + 7) × (3 - 1)
6: (7 - 3) × (1 + 5)
7: (7 - 3) × (5 + 1)
8: (7 + 5) × (3 - 1)
2: (3 - 1) × (5 + 7)
3: (3 - 1) × (7 + 5)
4: (5 + 1) × (7 - 3)
5: (5 + 7) × (3 - 1)
6: (7 - 3) × (1 + 5)
7: (7 - 3) × (5 + 1)
8: (7 + 5) × (3 - 1)
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5+1
7-3
4*6
7-3
4*6
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