作业帮8,2,3,1怎么计算才得24?
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8,2,3,1怎么计算才得24?
8,2,3,1怎么计算才得24?
8,2,3,1怎么计算才得24?
8*3*（2-1）!
8*3*（2-1）
（8-2）*（3+1）=24
1: (8 - 2) × (3 + 1)
2: (8 - 2) × (1 + 3)
3: (8 × (2 - 1)) × 3
4: 8 × (2 - 1) × 3
5: 8 × ((2 - 1) × 3)
6: (8 ÷ (2 - 1)) × 3
7: 8 ÷ (2 - 1) × 3
8: 8 ÷ ((2 - 1) ÷ 3)<...
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1: (8 - 2) × (3 + 1)
2: (8 - 2) × (1 + 3)
3: (8 × (2 - 1)) × 3
4: 8 × (2 - 1) × 3
5: 8 × ((2 - 1) × 3)
6: (8 ÷ (2 - 1)) × 3
7: 8 ÷ (2 - 1) × 3
8: 8 ÷ ((2 - 1) ÷ 3)
9: 8 × (3 × (2 - 1))
10: 8 × 3 ×(2 - 1)
11: (8 × 3) × (2 - 1)
12: 8 × (3 ÷ (2 - 1))
13: 8 × 3 ÷(2 - 1)
14: (8 × 3) ÷ (2 - 1)
15: (8 + 3 + 1) × 2
16: ((8 + 3) + 1) × 2
17: (8 + (3 + 1)) × 2
18: 8 ÷ (1 - 2 ÷ 3)
19: 8 ÷ (1 - (2 ÷ 3))
20: (8 + 1 + 3) × 2
21: ((8 + 1) + 3) × 2
22: (8 + (1 + 3)) × 2
23: 2 × (8 + 3 + 1)
24: 2 × ((8 + 3) + 1)
25: 2 × (8 + (3 + 1))
26: 2 × (8 + 1 + 3)
27: 2 × ((8 + 1) + 3)
28: 2 × (8 + (1 + 3))
推荐个网站可以自动算的 http://www.dffy.com/tool/24.htm
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