用2、2、4、8算24点,列出4个算式.
6个回答

1:(2 + 2) × 4 + 8

2:((2 + 2) × 4) + 8

3:2 × 2 × 4 + 8

4:(2 × 2) × 4 + 8

5:(2 × 2 × 4) + 8

6:((2 × 2) × 4) + 8

7:(2 × (2 × 4)) + 8

8:2 × (2 × 4) + 8

9:(2 × (2 + 8)) + 4

10:2 × (2 + 8) + 4

11:2 × (2 × 8 - 4)

12:2 × ((2 × 8) - 4)

13:(2 + 4) ÷ 2 × 8

14:((2 + 4) ÷ 2) × 8

15:(2 + 4) ÷ (2 ÷ 8)

16:2 × 4 + 2 × 8

17:(2 × 4) + 2 × 8

18:2 × 4 +(2 × 8)

19:(2 × 4) + (2 × 8)

20:2 × 4 × 2 + 8

21:(2 × 4) × 2 + 8

22:(2 × 4 × 2) + 8

23:((2 × 4) × 2) + 8

24:(2 × (4 × 2)) + 8

25:2 × (4 × 2) + 8

26:(2 + 4) × 8 ÷ 2

27:((2 + 4) × 8) ÷ 2

28:(2 + 4) × (8 ÷ 2)

29:2 × 4 + 8 × 2

30:(2 × 4) + 8 × 2

31:2 × 4 +(8 × 2)

32:(2 × 4) + (8 × 2)

33:(2 + 8) × 2 + 4

34:((2 + 8) × 2) + 4

35:(2 + 8 ÷ 2) × 4

36:(2 + (8 ÷ 2)) × 4

37:(2 × (8 + 2)) + 4

38:2 × (8 + 2) + 4

39:2 × 8 + 2 × 4

40:(2 × 8) + 2 × 4

41:2 × 8 +(2 × 4)

42:(2 × 8) + (2 × 4)

43:2 × (8 × 2 - 4)

44:2 × ((8 × 2) - 4)

45:2 × 8 + 4 × 2

46:(2 × 8) + 4 × 2

47:2 × 8 +(4 × 2)

48:(2 × 8) + (4 × 2)

49:(2 × 8 - 4) × 2

50:((2 × 8) - 4) × 2

51:4 + (2 × (2 + 8))

52:4 + 2 ×(2 + 8)

53:(4 + 2) ÷ 2 × 8

54:((4 + 2) ÷ 2) × 8

55:(4 + 2) ÷ (2 ÷ 8)

56:(4 - 2 ÷ 2) × 8

57:(4 - (2 ÷ 2)) × 8

58:(4 × (2 + 2)) + 8

59:4 × (2 + 2) + 8

60:4 × 2 + 2 × 8

61:(4 × 2) + 2 × 8

62:4 × 2 +(2 × 8)

63:(4 × 2) + (2 × 8)

64:4 × 2 × 2 + 8

65:(4 × 2) × 2 + 8

66:(4 × 2 × 2) + 8

67:((4 × 2) × 2) + 8

68:(4 × (2 × 2)) + 8

69:4 × (2 × 2) + 8

70:4 + (2 + 8) × 2

71:4 + ((2 + 8) × 2)

72:4 + (2 × (8 + 2))

73:4 + 2 ×(8 + 2)

74:(4 + 2) × 8 ÷ 2

75:((4 + 2) × 8) ÷ 2

76:(4 + 2) × (8 ÷ 2)

77:4 × 2 + 8 × 2

78:(4 × 2) + 8 × 2

79:4 × 2 +(8 × 2)

80:(4 × 2) + (8 × 2)

81:4 × (2 + 8 ÷ 2)

82:4 × (2 + (8 ÷ 2))

83:4 + (8 + 2) × 2

84:4 + ((8 + 2) × 2)

85:4 × (8 ÷ 2 + 2)

86:4 × ((8 ÷ 2) + 2)

87:8 + (2 + 2) × 4

88:8 + ((2 + 2) × 4)

89:(8 + 2) × 2 + 4

90:((8 + 2) × 2) + 4

91:8 + 2 × 2 × 4

92:8 + (2 × 2) × 4

93:8 + (2 × 2 × 4)

94:8 + ((2 × 2) × 4)

95:8 + (2 × (2 × 4))

96:8 + 2 ×(2 × 4)

97:8 × 2 + 2 × 4

98:(8 × 2) + 2 × 4

99:8 × 2 +(2 × 4)

100:(8 × 2) + (2 × 4)

101:(8 ÷ 2 + 2) × 4

102:((8 ÷ 2) + 2) × 4

103:8 ÷ 2 ×(2 + 4)

104:(8 ÷ 2) × (2 + 4)

105:8 ÷ (2 ÷ (2 + 4))

106:8 + 2 × 4 × 2

107:8 + (2 × 4) × 2

108:8 + (2 × 4 × 2)

109:8 + ((2 × 4) × 2)

110:8 + (2 × (4 × 2))

111:8 + 2 ×(4 × 2)

112:8 × 2 + 4 × 2

113:(8 × 2) + 4 × 2

114:8 × 2 +(4 × 2)

115:(8 × 2) + (4 × 2)

116:(8 × (2 + 4)) ÷ 2

117:8 × (2 + 4) ÷ 2

118:8 × ((2 + 4) ÷ 2)

119:(8 × 2 - 4) × 2

120:((8 × 2) - 4) × 2

121:8 ÷ 2 ×(4 + 2)

122:(8 ÷ 2) × (4 + 2)

123:8 ÷ (2 ÷ (4 + 2))

124:8 + (4 × (2 + 2))

125:8 + 4 ×(2 + 2)

126:8 + 4 × 2 × 2

127:8 + (4 × 2) × 2

128:8 + (4 × 2 × 2)

129:8 + ((4 × 2) × 2)

130:8 + (4 × (2 × 2))

131:8 + 4 ×(2 × 2)

132:(8 × (4 + 2)) ÷ 2

133:8 × (4 + 2) ÷ 2

134:8 × ((4 + 2) ÷ 2)

135:8 × (4 - 2 ÷ 2)

136:8 × (4 - (2 ÷ 2))