求10个“24点游戏”并解答～～急～～～～～

(1)2 9 8 12

1: 12 × (2 × (9 - 8))

2: 12 × 2 ×(9 - 8)

3: (12 × 2) × (9 - 8)

4: 12 × (2 ÷ (9 - 8))

5: 12 × 2 ÷(9 - 8)

6: (12 × 2) ÷ (9 - 8)

7: (12 × (9 - 8)) × 2

8: 12 × (9 - 8) × 2

9: 12 × ((9 - 8) × 2)

10: (12 ÷ (9 - 8)) × 2

11: 12 ÷ (9 - 8) × 2

12: 12 ÷ ((9 - 8) ÷ 2)

13: 2 × (12 × (9 - 8))

14: 2 × 12 ×(9 - 8)

15: (2 × 12) × (9 - 8)

16: 2 × (12 ÷ (9 - 8))

17: 2 × 12 ÷(9 - 8)

18: (2 × 12) ÷ (9 - 8)

19: (2 × (9 - 8)) × 12

20: 2 × (9 - 8) × 12

21: 2 × ((9 - 8) × 12)

22: (2 ÷ (9 - 8)) × 12

23: 2 ÷ (9 - 8) × 12

24: 2 ÷ ((9 - 8) ÷ 12)

25: (2 + 8 ÷ 12) × 9

26: (2 + (8 ÷ 12)) × 9

27: (9 - 12 ÷ 2) × 8

28: (9 - (12 ÷ 2)) × 8

29: 9 × (2 + 8 ÷ 12)

30: 9 × (2 + (8 ÷ 12))

31: 9 ÷ 2 × 8 - 12

32: (9 ÷ 2) × 8 - 12

33: (9 ÷ 2 × 8) - 12

34: ((9 ÷ 2) × 8) - 12

35: (9 ÷ (2 ÷ 8)) - 12

36: 9 ÷ (2 ÷ 8) - 12

37: (9 - 8) × 12 × 2

38: ((9 - 8) × 12) × 2

39: (9 - 8) × (12 × 2)

40: 9 × (8 ÷ 12 + 2)

41: 9 × ((8 ÷ 12) + 2)

42: (9 - 8) × 2 × 12

43: ((9 - 8) × 2) × 12

44: (9 - 8) × (2 × 12)

45: 9 × 8 ÷ 2 - 12

46: (9 × 8) ÷ 2 - 12

47: (9 × 8 ÷ 2) - 12

48: ((9 × 8) ÷ 2) - 12

49: (9 × (8 ÷ 2)) - 12

50: 9 × (8 ÷ 2) - 12

51: (8 ÷ 12 + 2) × 9

52: ((8 ÷ 12) + 2) × 9

53: 8 ÷ 2 × 9 - 12

54: (8 ÷ 2) × 9 - 12

55: (8 ÷ 2 × 9) - 12

56: ((8 ÷ 2) × 9) - 12

57: (8 ÷ (2 ÷ 9)) - 12

58: 8 ÷ (2 ÷ 9) - 12

59: 8 × (9 - 12 ÷ 2)

60: 8 × (9 - (12 ÷ 2))

61: 8 × 9 ÷ 2 - 12

62: (8 × 9) ÷ 2 - 12

63: (8 × 9 ÷ 2) - 12

64: ((8 × 9) ÷ 2) - 12

65: (8 × (9 ÷ 2)) - 12

66: 8 × (9 ÷ 2) - 12

(2)10 5 9 7

1: (10 - 7) × 5 + 9

2: ((10 - 7) × 5) + 9

3: (5 × (10 - 7)) + 9

4: 5 × (10 - 7) + 9

5: 9 + (10 - 7) × 5

6: 9 + ((10 - 7) × 5)

7: 9 + (5 × (10 - 7))

8: 9 + 5 ×(10 - 7)

9: 9 - (5 × (7 - 10))

10: 9 - 5 ×(7 - 10)

11: 9 - (7 - 10) × 5

12: 9 - ((7 - 10) × 5)

(3)4 5 9 7

1: (10 - 7) × 5 + 9

2: ((10 - 7) × 5) + 9

3: (5 × (10 - 7)) + 9

4: 5 × (10 - 7) + 9

5: 9 + (10 - 7) × 5

6: 9 + ((10 - 7) × 5)

7: 9 + (5 × (10 - 7))

8: 9 + 5 ×(10 - 7)

9: 9 - (5 × (7 - 10))

10: 9 - 5 ×(7 - 10)

11: 9 - (7 - 10) × 5

12: 9 - ((7 - 10) × 5)

(4)4 5 13 7

1: (10 - 7) × 5 + 9

2: ((10 - 7) × 5) + 9

3: (5 × (10 - 7)) + 9

4: 5 × (10 - 7) + 9

5: 9 + (10 - 7) × 5

6: 9 + ((10 - 7) × 5)

7: 9 + (5 × (10 - 7))

8: 9 + 5 ×(10 - 7)

9: 9 - (5 × (7 - 10))

10: 9 - 5 ×(7 - 10)

11: 9 - (7 - 10) × 5

12: 9 - ((7 - 10) × 5)

(5)4 5 13 9

1: (10 - 7) × 5 + 9

2: ((10 - 7) × 5) + 9

3: (5 × (10 - 7)) + 9

4: 5 × (10 - 7) + 9

5: 9 + (10 - 7) × 5

6: 9 + ((10 - 7) × 5)

7: 9 + (5 × (10 - 7))

8: 9 + 5 ×(10 - 7)

9: 9 - (5 × (7 - 10))

10: 9 - 5 ×(7 - 10)

11: 9 - (7 - 10) × 5

12: 9 - ((7 - 10) × 5)

(6)8 6 9 10

1: 6 - (8 - 10) × 9

2: 6 - ((8 - 10) × 9)

3: 6 + (10 - 8) × 9

4: 6 + ((10 - 8) × 9)

5: 6 - (9 × (8 - 10))

6: 6 - 9 ×(8 - 10)

7: 6 + (9 × (10 - 8))

8: 6 + 9 ×(10 - 8)

9: (10 - 8) × 9 + 6

10: ((10 - 8) × 9) + 6

11: (9 × (10 - 8)) + 6

12: 9 × (10 - 8) + 6

(7)3 4 9 12

1: (3 - 4 ÷ 12) × 9

2: (3 - (4 ÷ 12)) × 9

3: (3 + 12 - 9) × 4

4: ((3 + 12) - 9) × 4

5: (3 + (12 - 9)) × 4

6: (3 - 9 + 12) × 4

7: ((3 - 9) + 12) × 4

8: (3 - (9 - 12)) × 4

9: 3 × 9 - 12 ÷ 4

10: (3 × 9) - 12 ÷ 4

11: 3 × 9 -(12 ÷ 4)

12: (3 × 9) - (12 ÷ 4)

13: 4 × (3 + 12 - 9)

14: 4 × ((3 + 12) - 9)

15: 4 × (3 + (12 - 9))

16: 4 × (3 - 9 + 12)

17: 4 × ((3 - 9) + 12)

18: 4 × (3 - (9 - 12))

19: 4 ÷ 3 × 9 + 12

20: (4 ÷ 3) × 9 + 12

21: (4 ÷ 3 × 9) + 12

22: ((4 ÷ 3) × 9) + 12

23: (4 ÷ (3 ÷ 9)) + 12

24: 4 ÷ (3 ÷ 9) + 12

25: 4 × (12 + 3 - 9)

26: 4 × ((12 + 3) - 9)

27: 4 × (12 + (3 - 9))

28: 4 × (12 - 9 + 3)

29: 4 × ((12 - 9) + 3)

30: 4 × (12 - (9 - 3))

31: 4 × 9 ÷ 3 + 12

32: (4 × 9) ÷ 3 + 12

33: (4 × 9 ÷ 3) + 12

34: ((4 × 9) ÷ 3) + 12

35: (4 × (9 ÷ 3)) + 12

36: 4 × (9 ÷ 3) + 12

37: (12 + 3 - 9) × 4

38: ((12 + 3) - 9) × 4

39: (12 + (3 - 9)) × 4

40: 12 + 4 ÷ 3 × 9

41: 12 + (4 ÷ 3) × 9

42: 12 + (4 ÷ 3 × 9)

43: 12 + ((4 ÷ 3) × 9)

44: 12 + (4 ÷ (3 ÷ 9))

45: 12 + 4 ÷(3 ÷ 9)

46: (12 - 4) ÷ 3 × 9

47: ((12 - 4) ÷ 3) × 9

48: (12 - 4) ÷ (3 ÷ 9)

49: 12 + 4 × 9 ÷ 3

50: 12 + (4 × 9) ÷ 3

51: 12 + (4 × 9 ÷ 3)

52: 12 + ((4 × 9) ÷ 3)

53: 12 + (4 × (9 ÷ 3))

54: 12 + 4 ×(9 ÷ 3)

55: (12 - 4) × 9 ÷ 3

56: ((12 - 4) × 9) ÷ 3

57: (12 - 4) × (9 ÷ 3)

58: 12 ÷ 4 × 9 - 3

59: (12 ÷ 4) × 9 - 3

60: (12 ÷ 4 × 9) - 3

61: ((12 ÷ 4) × 9) - 3

62: (12 ÷ (4 ÷ 9)) - 3

63: 12 ÷ (4 ÷ 9) - 3

64: 12 + 9 ÷ 3 × 4

65: 12 + (9 ÷ 3) × 4

66: 12 + (9 ÷ 3 × 4)

67: 12 + ((9 ÷ 3) × 4)

68: 12 + (9 ÷ (3 ÷ 4))

69: 12 + 9 ÷(3 ÷ 4)

70: (12 - 9 + 3) × 4

71: ((12 - 9) + 3) × 4

72: (12 - (9 - 3)) × 4

73: 12 × (9 - (3 + 4))

74: 12 × (9 - 3 - 4)

75: 12 × ((9 - 3) - 4)

76: 12 + 9 × 4 ÷ 3

77: 12 + (9 × 4) ÷ 3

78: 12 + (9 × 4 ÷ 3)

79: 12 + ((9 × 4) ÷ 3)

80: 12 + (9 × (4 ÷ 3))

81: 12 + 9 ×(4 ÷ 3)

82: 12 × (9 - (4 + 3))

83: 12 × (9 - 4 - 3)

84: 12 × ((9 - 4) - 3)

85: 12 × 9 ÷ 4 - 3

86: (12 × 9) ÷ 4 - 3

87: (12 × 9 ÷ 4) - 3

88: ((12 × 9) ÷ 4) - 3

89: (12 × (9 ÷ 4)) - 3

90: 12 × (9 ÷ 4) - 3

91: (9 - (3 + 4)) × 12

92: (9 - 3 - 4) × 12

93: ((9 - 3) - 4) × 12

94: 9 × (3 - 4 ÷ 12)

95: 9 × (3 - (4 ÷ 12))

96: 9 ÷ 3 × 4 + 12

97: (9 ÷ 3) × 4 + 12

98: (9 ÷ 3 × 4) + 12

99: ((9 ÷ 3) × 4) + 12

100: (9 ÷ (3 ÷ 4)) + 12

101: 9 ÷ (3 ÷ 4) + 12

102: 9 × 3 - 12 ÷ 4

103: (9 × 3) - 12 ÷ 4

104: 9 × 3 -(12 ÷ 4)

105: (9 × 3) - (12 ÷ 4)

106: 9 ÷ 3 ×(12 - 4)

107: (9 ÷ 3) × (12 - 4)

108: 9 ÷ (3 ÷ (12 - 4))

109: (9 - (4 + 3)) × 12

110: (9 - 4 - 3) × 12

111: ((9 - 4) - 3) × 12

112: 9 × 4 ÷ 3 + 12

113: (9 × 4) ÷ 3 + 12

114: (9 × 4 ÷ 3) + 12

115: ((9 × 4) ÷ 3) + 12

116: (9 × (4 ÷ 3)) + 12

117: 9 × (4 ÷ 3) + 12

118: 9 ÷ 4 × 12 - 3

119: (9 ÷ 4) × 12 - 3

120: (9 ÷ 4 × 12) - 3

121: ((9 ÷ 4) × 12) - 3

122: (9 ÷ (4 ÷ 12)) - 3

123: 9 ÷ (4 ÷ 12) - 3

124: (9 × (12 - 4)) ÷ 3

125: 9 × (12 - 4) ÷ 3

126: 9 × ((12 - 4) ÷ 3)

127: 9 × 12 ÷ 4 - 3

128: (9 × 12) ÷ 4 - 3

129: (9 × 12 ÷ 4) - 3

130: ((9 × 12) ÷ 4) - 3

131: (9 × (12 ÷ 4)) - 3

132: 9 × (12 ÷ 4) - 3

(8)2 9 4 5

1: (2 + 4) × (9 - 5)

2: (2 - 5 + 9) × 4

3: ((2 - 5) + 9) × 4

4: (2 - ( 5 - 9)) × 4

5: (2 × ( 5 + 9)) - 4

6: 2 × ( 5 + 9) - 4

7: (2 + 9 - 5) × 4

8: ((2 + 9) - 5) × 4

9: (2 + (9 - 5)) × 4

10: (2 × (9 + 5)) - 4

11: 2 × (9 + 5) - 4

12: 4 × (2 - 5 + 9)

13: 4 × ((2 - 5) + 9)

14: 4 × (2 - ( 5 - 9))

15: (4 + 2) × (9 - 5)

16: 4 × (2 + 9 - 5)

17: 4 × ((2 + 9) - 5)

18: 4 × (2 + (9 - 5))

19: 4 × (9 + 2 - 5)

20: 4 × ((9 + 2) - 5)

21: 4 × (9 + (2 - 5))

22: 4 × (9 - 5 + 2)

23: 4 × ((9 - 5) + 2)

24: 4 × (9 - ( 5 - 2))

25: ( 5 + 9) × 2 - 4

26: (( 5 + 9) × 2) - 4

27: (9 + 2 - 5) × 4

28: ((9 + 2) - 5) × 4

29: (9 + (2 - 5)) × 4

30: (9 + 5) × 2 - 4

31: ((9 + 5) × 2) - 4

32: (9 - 5 + 2) × 4

33: ((9 - 5) + 2) × 4

34: (9 - ( 5 - 2)) × 4

35: (9 - 5) × (2 + 4)

36: (9 - 5) × (4 + 2)

(9)8 5 3 9

1: (8 - 5) × 9 - 3

2: ((8 - 5) × 9) - 3

3: 3 × 9 - 8 + 5

4: (3 × 9) - 8 + 5

5: (3 × 9 - 8) + 5

6: ((3 × 9) - 8) + 5

7: 3 × 9 -(8 - 5)

8: (3 × 9) - (8 - 5)

9: 3 × 9 + 5 - 8

10: (3 × 9) + 5 - 8

11: (3 × 9 + 5) - 8

12: ((3 × 9) + 5) - 8

13: 3 × 9 +( 5 - 8)

14: (3 × 9) + ( 5 - 8)

15: 5 - 8 + 3 × 9

16: ( 5 - 8) + 3 × 9

17: 5 - 8 +(3 × 9)

18: ( 5 - 8) + (3 × 9)

19: 5 - (8 - 3 × 9)

20: 5 - (8 - (3 × 9))

21: 5 - 8 + 9 × 3

22: ( 5 - 8) + 9 × 3

23: 5 - 8 +(9 × 3)

24: ( 5 - 8) + (9 × 3)

25: 5 - (8 - 9 × 3)

26: 5 - (8 - (9 × 3))

27: 5 + 3 × 9 - 8

28: ( 5 + 3 × 9) - 8

29: ( 5 + (3 × 9)) - 8

30: 5 + (3 × 9) - 8

31: 5 + (3 × 9 - 8)

32: 5 + ((3 × 9) - 8)

33: 5 + 9 × 3 - 8

34: ( 5 + 9 × 3) - 8

35: ( 5 + (9 × 3)) - 8

36: 5 + (9 × 3) - 8

37: 5 + (9 × 3 - 8)

38: 5 + ((9 × 3) - 8)

39: (9 × (8 - 5)) - 3

40: 9 × (8 - 5) - 3

41: 9 × 3 - 8 + 5

42: (9 × 3) - 8 + 5

43: (9 × 3 - 8) + 5

44: ((9 × 3) - 8) + 5

45: 9 × 3 -(8 - 5)

46: (9 × 3) - (8 - 5)

47: 9 × 3 + 5 - 8

48: (9 × 3) + 5 - 8

49: (9 × 3 + 5) - 8

50: ((9 × 3) + 5) - 8

51: 9 × 3 +( 5 - 8)

52: (9 × 3) + ( 5 - 8)

(10)2 6 8 10

1: (2 × ( 6 + 10)) - 8

2: 2 × ( 6 + 10) - 8

3: 2 × ( 6 × ( 10 - 8))

4: 2 × 6 ×( 10 - 8)

5: (2 × 6) × ( 10 - 8)

6: (2 - 8) × ( 6 - 10)

7: 2 × ( 8 - 6 + 10)

8: 2 × (( 8 - 6) + 10)

9: 2 × ( 8 - ( 6 - 10))

10: (2 - 8 + 10) × 6

11: ((2 - 8) + 10) × 6

12: (2 - ( 8 - 10)) × 6

13: 2 × ( 8 + 10 - 6)

14: 2 × (( 8 + 10) - 6)

15: 2 × ( 8 + ( 10 - 6))

16: (2 × ( 10 + 6)) - 8

17: 2 × ( 10 + 6) - 8

18: 2 × ( 10 - 6 + 8)

19: 2 × (( 10 - 6) + 8)

20: 2 × ( 10 - ( 6 - 8))

21: (2 + 10 - 8) × 6

22: ((2 + 10) - 8) × 6

23: (2 + ( 10 - 8)) × 6

24: (2 + 10) × ( 8 - 6)

25: 2 × ( 10 + 8 - 6)

26: 2 × (( 10 + 8) - 6)

27: 2 × ( 10 + ( 8 - 6))

28: (2 × ( 10 - 8)) × 6

29: 2 × ( 10 - 8) × 6

30: 2 × (( 10 - 8) × 6)

31: 6 × (2 - 8 + 10)

32: 6 × ((2 - 8) + 10)

33: 6 × (2 - ( 8 - 10))

34: 6 × (2 + 10 - 8)

35: 6 × ((2 + 10) - 8)

36: 6 × (2 + ( 10 - 8))

37: 6 × (2 × ( 10 - 8))

38: 6 × 2 ×( 10 - 8)

39: ( 6 × 2) × ( 10 - 8)

40: ( 6 + 10) × 2 - 8

41: (( 6 + 10) × 2) - 8

42: ( 6 - 10) × (2 - 8)

43: 6 × ( 10 + 2 - 8)

44: 6 × (( 10 + 2) - 8)

45: 6 × ( 10 + (2 - 8))

46: 6 × ( 10 - 8 + 2)

47: 6 × (( 10 - 8) + 2)

48: 6 × ( 10 - ( 8 - 2))

49: ( 6 × ( 10 - 8)) × 2

50: 6 × ( 10 - 8) × 2

51: 6 × (( 10 - 8) × 2)

52: ( 8 - 2) × ( 10 - 6)

53: 8 ÷ (2 - 10 ÷ 6)

54: 8 ÷ (2 - ( 10 ÷ 6))

55: ( 8 - 6) × (2 + 10)

56: ( 8 - 6 + 10) × 2

57: (( 8 - 6) + 10) × 2

58: ( 8 - ( 6 - 10)) × 2

59: ( 8 - 6) × ( 10 + 2)

60: ( 8 + 10 - 6) × 2

61: (( 8 + 10) - 6) × 2

62: ( 8 + ( 10 - 6)) × 2

63: ( 10 + 2 - 8) × 6

64: (( 10 + 2) - 8) × 6

65: ( 10 + (2 - 8)) × 6

66: ( 10 + 2) × ( 8 - 6)

67: ( 10 + 6) × 2 - 8

68: (( 10 + 6) × 2) - 8

69: ( 10 - 6 + 8) × 2

70: (( 10 - 6) + 8) × 2

71: ( 10 - ( 6 - 8)) × 2

72: ( 10 - 6) × ( 8 - 2)

73: ( 10 - 8 + 2) × 6

74: (( 10 - 8) + 2) × 6

75: ( 10 - ( 8 - 2)) × 6

76: ( 10 - 8) × 2 × 6

77: (( 10 - 8) × 2) × 6

78: ( 10 - 8) × (2 × 6)

79: ( 10 + 8 - 6) × 2

80: (( 10 + 8) - 6) × 2

81: ( 10 + ( 8 - 6)) × 2

82: ( 10 - 8) × 6 × 2

83: (( 10 - 8) × 6) × 2

84: ( 10 - 8) × ( 6 × 2)

别忘了给我点分啊

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