2 7 8 9怎么算24点

2024-12-17 11:05:53
推荐回答(4个)
回答1:

(9 + 7) × 2 - 8

回答2:

1: (2 × (7 + 9)) - 8
2: 2 × (7 + 9) - 8
3: (2 × (9 + 7)) - 8
4: 2 × (9 + 7) - 8
5: (7 + 9) × 2 - 8
6: ((7 + 9) × 2) - 8
7: (9 + 7) × 2 - 8
8: ((9 + 7) × 2) - 8

回答3:

2、7、8、9,用这4个数算24点,你能算出来吗?

回答4:

2 × (7 + 9) - 8