1: 3 × (6 - 7 + 9)

2: 3 × ((6 - 7) + 9)

3: 3 × (6 - (7 - 9))

4: 3 - (6 - 9) × 7

5: 3 - ((6 - 9) × 7)

6: 3 × (6 + 9 - 7)

7: 3 × ((6 + 9) - 7)

8: 3 × (6 + (9 - 7))

9: 3 - (7 × (6 - 9))

10: 3 - 7 ×(6 - 9)

11: 3 × 7 - 6 + 9

12: (3 × 7) - 6 + 9

13: (3 × 7 - 6) + 9

14: ((3 × 7) - 6) + 9

15: 3 × 7 -(6 - 9)

16: (3 × 7) - (6 - 9)

17: 3 + (7 × (9 - 6))

18: 3 + 7 ×(9 - 6)

19: 3 × 7 + 9 - 6

20: (3 × 7) + 9 - 6

21: (3 × 7 + 9) - 6

22: ((3 × 7) + 9) - 6

23: 3 × 7 +(9 - 6)

24: (3 × 7) + (9 - 6)

25: 3 + (9 - 6) × 7

26: 3 + ((9 - 6) × 7)

27: 3 × (9 + 6 - 7)

28: 3 × ((9 + 6) - 7)

29: 3 × (9 + (6 - 7))

30: 3 × (9 - 7 + 6)

31: 3 × ((9 - 7) + 6)

32: 3 × (9 - (7 - 6))

33: (6 - 7 + 9) × 3

34: ((6 - 7) + 9) × 3

35: (6 - (7 - 9)) × 3

36: 6 × (7 - 9 ÷ 3)

37: 6 × (7 - (9 ÷ 3))

38: (6 + 9 - 7) × 3

39: ((6 + 9) - 7) × 3

40: (6 + (9 - 7)) × 3

41: 7 × 3 - 6 + 9

42: (7 × 3) - 6 + 9

43: (7 × 3 - 6) + 9

44: ((7 × 3) - 6) + 9

45: 7 × 3 -(6 - 9)

46: (7 × 3) - (6 - 9)

47: 7 × 3 + 9 - 6

48: (7 × 3) + 9 - 6

49: (7 × 3 + 9) - 6

50: ((7 × 3) + 9) - 6

51: 7 × 3 +(9 - 6)

52: (7 × 3) + (9 - 6)

53: (7 - 9 ÷ 3) × 6

54: (7 - (9 ÷ 3)) × 6

55: (7 × (9 - 6)) + 3

56: 7 × (9 - 6) + 3

57: 9 + 3 × 7 - 6

58: (9 + 3 × 7) - 6

59: (9 + (3 × 7)) - 6

60: 9 + (3 × 7) - 6

61: 9 + (3 × 7 - 6)

62: 9 + ((3 × 7) - 6)

63: 9 - 6 + 3 × 7

64: (9 - 6) + 3 × 7

65: 9 - 6 +(3 × 7)

66: (9 - 6) + (3 × 7)

67: 9 - (6 - 3 × 7)

68: 9 - (6 - (3 × 7))

69: (9 + 6 - 7) × 3

70: ((9 + 6) - 7) × 3

71: (9 + (6 - 7)) × 3

72: 9 - 6 + 7 × 3

73: (9 - 6) + 7 × 3

74: 9 - 6 +(7 × 3)

75: (9 - 6) + (7 × 3)

76: 9 - (6 - 7 × 3)

77: 9 - (6 - (7 × 3))

78: (9 - 6) × 7 + 3

79: ((9 - 6) × 7) + 3

80: 9 + 7 × 3 - 6

81: (9 + 7 × 3) - 6

82: (9 + (7 × 3)) - 6

83: 9 + (7 × 3) - 6

84: 9 + (7 × 3 - 6)

85: 9 + ((7 × 3) - 6)

86: (9 - 7 + 6) × 3

87: ((9 - 7) + 6) × 3

88: (9 - (7 - 6)) × 3