怎么把2 3 4 5 四个数用加减乘除最后结果等于24?
2个回答

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))

13:2 × (5 + 3 + 4)

14:2 × ((5 + 3) + 4)

15:2 × (5 + (3 + 4))

16:2 × (5 + 4 + 3)

17:2 × ((5 + 4) + 3)

18:2 × (5 + (4 + 3))

19:(3 - 2 + 5) × 4

20:((3 - 2) + 5) × 4

21:(3 - (2 - 5)) × 4

22:(3 + 4 + 5) × 2

23:((3 + 4) + 5) × 2

24:(3 + (4 + 5)) × 2

25:(3 + 5 - 2) × 4

26:((3 + 5) - 2) × 4

27:(3 + (5 - 2)) × 4

28:(3 + 5 + 4) × 2

29:((3 + 5) + 4) × 2

30:(3 + (5 + 4)) × 2

31:4 × (3 - 2 + 5)

32:4 × ((3 - 2) + 5)

33:4 × (3 - (2 - 5))

34:(4 + 3 + 5) × 2

35:((4 + 3) + 5) × 2

36:(4 + (3 + 5)) × 2

37:4 × (3 + 5 - 2)

38:4 × ((3 + 5) - 2)

39:4 × (3 + (5 - 2))

40:4 × (5 - 2 + 3)

41:4 × ((5 - 2) + 3)

42:4 × (5 - (2 - 3))

43:(4 + 5 + 3) × 2

44:((4 + 5) + 3) × 2

45:(4 + (5 + 3)) × 2

46:4 × (5 + 3 - 2)

47:4 × ((5 + 3) - 2)

48:4 × (5 + (3 - 2))

49:(5 - 2 + 3) × 4

50:((5 - 2) + 3) × 4

51:(5 - (2 - 3)) × 4

52:(5 + 3 - 2) × 4

53:((5 + 3) - 2) × 4

54:(5 + (3 - 2)) × 4

55:(5 + 3 + 4) × 2

56:((5 + 3) + 4) × 2

57:(5 + (3 + 4)) × 2

58:(5 + 4 + 3) × 2

59:((5 + 4) + 3) × 2

60:(5 + (4 + 3)) × 2