如图,在“二十一点”的游戏中,小明抽了四张牌。你能用它们来计算24吗?

1: 10 × 2 - 9 + 13

2: (10 × 2) - 9 + 13

3: (10 × 2 - 9) + 13

4: ((10 × 2) - 9) + 13

5: 10 × 2 -(9 - 13)

6: (10 × 2) - (9 - 13)

7: 10 × 2 + 13 - 9

8: (10 × 2) + 13 - 9

9: (10 × 2 + 13) - 9

10: ((10 × 2) + 13) - 9

11: 10 × 2 +(13 - 9)

12: (10 × 2) + (13 - 9)

13: (9 - 10 + 13) × 2

14: ((9 - 10) + 13) × 2

15: (9 - (10 - 13)) × 2

16: (9 + 13 - 10) × 2

17: ((9 + 13) - 10) × 2

18: (9 + (13 - 10)) × 2

19: 2 × 10 - 9 + 13

20: (2 × 10) - 9 + 13

21: (2 × 10 - 9) + 13

22: ((2 × 10) - 9) + 13

23: 2 × 10 -(9 - 13)

24: (2 × 10) - (9 - 13)

25: 2 × 10 + 13 - 9

26: (2 × 10) + 13 - 9

27: (2 × 10 + 13) - 9

28: ((2 × 10) + 13) - 9

29: 2 × 10 +(13 - 9)

30: (2 × 10) + (13 - 9)

31: 2 × (9 - 10 + 13)

32: 2 × ((9 - 10) + 13)

33: 2 × (9 - (10 - 13))

34: 2 × (9 + 13 - 10)

35: 2 × ((9 + 13) - 10)

36: 2 × (9 + (13 - 10))

37: 2 × (13 - 10 + 9)

38: 2 × ((13 - 10) + 9)

39: 2 × (13 - (10 - 9))

40: 2 × (13 + 9 - 10)

41: 2 × ((13 + 9) - 10)

42: 2 × (13 + (9 - 10))

43: (13 - 10 + 9) × 2

44: ((13 - 10) + 9) × 2

45: (13 - (10 - 9)) × 2

46: 13 + 10 × 2 - 9

47: (13 + 10 × 2) - 9

48: (13 + (10 × 2)) - 9

49: 13 + (10 × 2) - 9

50: 13 + (10 × 2 - 9)

51: 13 + ((10 × 2) - 9)

52: (13 + 9 - 10) × 2

53: ((13 + 9) - 10) × 2

54: (13 + (9 - 10)) × 2

55: 13 - 9 + 10 × 2

56: (13 - 9) + 10 × 2

57: 13 - 9 +(10 × 2)

58: (13 - 9) + (10 × 2)

59: 13 - (9 - 10 × 2)

60: 13 - (9 - (10 × 2))

61: 13 - 9 + 2 × 10

62: (13 - 9) + 2 × 10

63: 13 - 9 +(2 × 10)

64: (13 - 9) + (2 × 10)

65: 13 - (9 - 2 × 10)

66: 13 - (9 - (2 × 10))

67: 13 + 2 × 10 - 9

68: (13 + 2 × 10) - 9

69: (13 + (2 × 10)) - 9

70: 13 + (2 × 10) - 9

71: 13 + (2 × 10 - 9)

72: 13 + ((2 × 10) - 9)