作业帮9 3 7 2这四个数字怎么算24点?
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9 3 7 2这四个数字怎么算24点?
9 3 7 2这四个数字怎么算24点?
9 3 7 2这四个数字怎么算24点?
你是用什么算啊?
用C语言：
9×3-7/2=24
（3*7-9）*2
(9+7)/2*3
(9+7)*3/2=24
9+(7-2)*3=24
(7*3-9)*2=24
就这三种
9, 3, 7, 2的24点答案：
1: 9 + (3 × (7 - 2))
2: 9 + 3 ×(7 - 2)
3: 9 - (3 × (2 - 7))
4: 9 - 3 ×(2 - 7)
5: (9 + 7) × 3 ÷ 2
6: ((9 + 7) × 3) ÷ 2
7: (9 + 7) × (3 ÷ 2)
8: ...
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9, 3, 7, 2的24点答案：
1: 9 + (3 × (7 - 2))
2: 9 + 3 ×(7 - 2)
3: 9 - (3 × (2 - 7))
4: 9 - 3 ×(2 - 7)
5: (9 + 7) × 3 ÷ 2
6: ((9 + 7) × 3) ÷ 2
7: (9 + 7) × (3 ÷ 2)
8: 9 + (7 - 2) × 3
9: 9 + ((7 - 2) × 3)
10: (9 + 7) ÷ 2 × 3
11: ((9 + 7) ÷ 2) × 3
12: (9 + 7) ÷ (2 ÷ 3)
13: 9 - (2 - 7) × 3
14: 9 - ((2 - 7) × 3)
15: (3 × (9 + 7)) ÷ 2
16: 3 × (9 + 7) ÷ 2
17: 3 × ((9 + 7) ÷ 2)
18: (3 × (7 + 9)) ÷ 2
19: 3 × (7 + 9) ÷ 2
20: 3 × ((7 + 9) ÷ 2)
21: (3 × 7 - 9) × 2
22: ((3 × 7) - 9) × 2
23: (3 × (7 - 2)) + 9
24: 3 × (7 - 2) + 9
25: 3 ÷ 2 ×(9 + 7)
26: (3 ÷ 2) × (9 + 7)
27: 3 ÷ (2 ÷ (9 + 7))
28: 3 ÷ 2 ×(7 + 9)
29: (3 ÷ 2) × (7 + 9)
30: 3 ÷ (2 ÷ (7 + 9))
31: (7 + 9) × 3 ÷ 2
32: ((7 + 9) × 3) ÷ 2
33: (7 + 9) × (3 ÷ 2)
34: (7 + 9) ÷ 2 × 3
35: ((7 + 9) ÷ 2) × 3
36: (7 + 9) ÷ (2 ÷ 3)
37: (7 × 3 - 9) × 2
38: ((7 × 3) - 9) × 2
39: (7 - 2) × 3 + 9
40: ((7 - 2) × 3) + 9
41: 2 × (3 × 7 - 9)
42: 2 × ((3 × 7) - 9)
43: 2 × (7 × 3 - 9)
44: 2 × ((7 × 3) - 9)
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