1: (4 + 6 - 7) × 8

2: ((4 + 6) - 7) × 8

3: (4 + (6 - 7)) × 8

4: 4 × (6 × (8 - 7))

5: 4 × 6 ×(8 - 7)

6: (4 × 6) × (8 - 7)

7: 4 × (6 ÷ (8 - 7))

8: 4 × 6 ÷(8 - 7)

9: (4 × 6) ÷ (8 - 7)

10: (4 - 7 + 6) × 8

11: ((4 - 7) + 6) × 8

12: (4 - (7 - 6)) × 8

13: (4 × (8 - 7)) × 6

14: 4 × (8 - 7) × 6

15: 4 × ((8 - 7) × 6)

16: (4 ÷ (8 - 7)) × 6

17: 4 ÷ (8 - 7) × 6

18: 4 ÷ ((8 - 7) ÷ 6)

19: (6 + 4 - 7) × 8

20: ((6 + 4) - 7) × 8

21: (6 + (4 - 7)) × 8

22: 6 × (4 × (8 - 7))

23: 6 × 4 ×(8 - 7)

24: (6 × 4) × (8 - 7)

25: 6 × (4 ÷ (8 - 7))

26: 6 × 4 ÷(8 - 7)

27: (6 × 4) ÷ (8 - 7)

28: (6 - 7 + 4) × 8

29: ((6 - 7) + 4) × 8

30: (6 - (7 - 4)) × 8

31: (6 × (8 - 7)) × 4

32: 6 × (8 - 7) × 4

33: 6 × ((8 - 7) × 4)

34: (6 ÷ (8 - 7)) × 4

35: 6 ÷ (8 - 7) × 4

36: 6 ÷ ((8 - 7) ÷ 4)

37: 8 × (4 + 6 - 7)

38: 8 × ((4 + 6) - 7)

39: 8 × (4 + (6 - 7))

40: 8 × (4 - 7 + 6)

41: 8 × ((4 - 7) + 6)

42: 8 × (4 - (7 - 6))

43: 8 × (6 + 4 - 7)

44: 8 × ((6 + 4) - 7)

45: 8 × (6 + (4 - 7))

46: 8 × (6 - 7 + 4)

47: 8 × ((6 - 7) + 4)

48: 8 × (6 - (7 - 4))

49: (8 - 7) × 4 × 6

50: ((8 - 7) × 4) × 6

51: (8 - 7) × (4 × 6)

52: (8 - 7) × 6 × 4

53: ((8 - 7) × 6) × 4

54: (8 - 7) × (6 × 4)