2345算24点 快
1: 2 × (3 + 4 + 5) 2: 2 × ((3 + 4) + 5) 3: 2 × (3 + (4 + 5)) 4: 2 × (3 + 5 + 4) 5: 2 × ((3 + 5) + 4) 6: 2 × (3 + (5 + 4)) 7: 2 × (4 + 3 + 5) 8: 2 × ((4 + 3) + 5) 9: 2 × (4 + (3 + 5)) 10: 2 × (4 + 5 + 3) 11: 2 × ((4 + 5) + 3) 12: 2 × (4 + (5 + 3)) 13...