问题描述：
5,3,2,1算24点、、、、、8,5,3,1算24点
问题解答：
我来补答
1: 2 × (3 × 5 - 3) 2: 2 × ((3 × 5) - 3) 3: (2 5) × 3 3 4: ((2 5) × 3) 3 5: 2 × (5 × 3 - 3) 6: 2 × ((5 × 3) - 3) 7: 3 (2 5) × 3 8: 3 ((2 5) × 3) 9: (3 × (2 5)) 3 10: 3 × (2 5) 3 11: 3 (3 × (2 5)) 12: 3 3 ×(2 5) 13: 3 (3 × (5 2)) 14: 3 3 ×(5 2) 15: 3 (5 2) × 3 16: 3 ((5 2) × 3) 17: (3 × (5 2)) 3 18: 3 × (5 2) 3 19: (3 × 5 - 3) × 2 20: ((3 × 5) - 3) × 2 21: (5 2) × 3 3 22: ((5 2) × 3) 3 23: (5 × 3 - 3) × 2 24: ((5 × 3) - 3) × 2
采纳哦
