
7,9,12,12 24点
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7, 9, 12, 12的24点答案:
1: 9 × 12 - 7 × 12
2: (9 × 12) - 7 × 12
3: 9 × 12 -(7 × 12)
4: (9 × 12) - (7 × 12)
5: 9 × 12 - 12 × 7
6: (9 × 12) - 12 × 7
7: 9 × 12 -(12 × 7)
8: (9 × 12) - (12 × 7)
9: 12 × 9 - 7 × 12
10: (12 × 9) - 7 × 12
11: 12 × 9 -(7 × 12)
12: (12 × 9) - (7 × 12)
13: 12 × 9 - 12 × 7
14: (12 × 9) - 12 × 7
15: 12 × 9 -(12 × 7)
16: (12 × 9) - (12 × 7)
1: 9 × 12 - 7 × 12
2: (9 × 12) - 7 × 12
3: 9 × 12 -(7 × 12)
4: (9 × 12) - (7 × 12)
5: 9 × 12 - 12 × 7
6: (9 × 12) - 12 × 7
7: 9 × 12 -(12 × 7)
8: (9 × 12) - (12 × 7)
9: 12 × 9 - 7 × 12
10: (12 × 9) - 7 × 12
11: 12 × 9 -(7 × 12)
12: (12 × 9) - (7 × 12)
13: 12 × 9 - 12 × 7
14: (12 × 9) - 12 × 7
15: 12 × 9 -(12 × 7)
16: (12 × 9) - (12 × 7)
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9*12﹣9*7
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9*12-7*12
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