怎么算24,用2 2 7 10四个数?

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怎么算24,用2 2 7 10四个数?

怎么算24,用2 2 7 10四个数?
怎么算24,用2 2 7 10四个数?

怎么算24,用2 2 7 10四个数?
1:2 × (7 + 10 ÷ 2)
2:2 × (7 + (10 ÷ 2))
3:2 × (10 ÷ 2 + 7)
4:2 × ((10 ÷ 2) + 7)
5:(7 + 10 ÷ 2) × 2
6:(7 + (10 ÷ 2)) × 2
7:(10 ÷ 2 + 7) × 2
8:((10 ÷ 2) + 7) × 2

2, 2, 7, 10的24点答案:
1: 2 × (7 + 10 ÷ 2)
2: 2 × (7 + (10 ÷ 2))
3: 2 × (10 ÷ 2 + 7)
4: 2 × ((10 ÷ 2) + 7)
5: (7 + 10 ÷ 2) × 2
6: (7 + (10 ÷ 2)) × 2
7: (10 ÷ 2 + 7) × 2
8: ((10 ÷ 2) + 7) × 2