1:2 + 3 × 6 + 4

2:(2 + 3 × 6) + 4

3:(2 + (3 × 6)) + 4

4:2 + (3 × 6) + 4

5:2 + (3 × 6 + 4)

6:2 + ((3 × 6) + 4)

7:2 + 4 + 3 × 6

8:(2 + 4) + 3 × 6

9:2 + (4 + 3 × 6)

10:2 + (4 + (3 × 6))

11:2 + 4 +(3 × 6)

12:(2 + 4) + (3 × 6)

13:(2 + 4) × 3 + 6

14:((2 + 4) × 3) + 6

15:2 + 4 + 6 × 3

16:(2 + 4) + 6 × 3

17:2 + (4 + 6 × 3)

18:2 + (4 + (6 × 3))

19:2 + 4 +(6 × 3)

20:(2 + 4) + (6 × 3)

21:2 × (4 × (6 - 3))

22:2 × 4 ×(6 - 3)

23:(2 × 4) × (6 - 3)

24:2 + 6 × 3 + 4

25:(2 + 6 × 3) + 4

26:(2 + (6 × 3)) + 4

27:2 + (6 × 3) + 4

28:2 + (6 × 3 + 4)

29:2 + ((6 × 3) + 4)

30:2 × 6 + 3 × 4

31:(2 × 6) + 3 × 4

32:2 × 6 +(3 × 4)

33:(2 × 6) + (3 × 4)

34:(2 × (6 - 3)) × 4

35:2 × (6 - 3) × 4

36:2 × ((6 - 3) × 4)

37:2 × 6 + 4 × 3

38:(2 × 6) + 4 × 3

39:2 × 6 +(4 × 3)

40:(2 × 6) + (4 × 3)

41:(2 × 6 - 4) × 3

42:((2 × 6) - 4) × 3

43:(3 - 2) × 4 × 6

44:((3 - 2) × 4) × 6

45:(3 - 2) × (4 × 6)

46:(3 × (2 + 4)) + 6

47:3 × (2 + 4) + 6

48:(3 - 2) × 6 × 4

49:((3 - 2) × 6) × 4

50:(3 - 2) × (6 × 4)

51:3 × (2 × 6 - 4)

52:3 × ((2 × 6) - 4)

53:(3 × (4 + 2)) + 6

54:3 × (4 + 2) + 6

55:3 × 4 + 2 × 6

56:(3 × 4) + 2 × 6

57:3 × 4 +(2 × 6)

58:(3 × 4) + (2 × 6)

59:3 × (4 - 2 + 6)

60:3 × ((4 - 2) + 6)

61:3 × (4 - (2 - 6))

62:3 × (4 ÷ 2 + 6)

63:3 × ((4 ÷ 2) + 6)

64:3 × (4 + 6 - 2)

65:3 × ((4 + 6) - 2)

66:3 × (4 + (6 - 2))

67:3 × 4 + 6 × 2

68:(3 × 4) + 6 × 2

69:3 × 4 +(6 × 2)

70:(3 × 4) + (6 × 2)

71:(3 + 6 ÷ 2) × 4

72:(3 + (6 ÷ 2)) × 4

73:3 × 6 + 2 + 4

74:(3 × 6) + 2 + 4

75:(3 × 6 + 2) + 4

76:((3 × 6) + 2) + 4

77:3 × 6 +(2 + 4)

78:(3 × 6) + (2 + 4)

79:3 × (6 - 2 + 4)

80:3 × ((6 - 2) + 4)

81:3 × (6 - (2 - 4))

82:3 × (6 × 2 - 4)

83:3 × ((6 × 2) - 4)

84:3 × 6 + 4 + 2

85:(3 × 6) + 4 + 2

86:(3 × 6 + 4) + 2

87:((3 × 6) + 4) + 2

88:3 × 6 +(4 + 2)

89:(3 × 6) + (4 + 2)

90:3 × (6 + 4 - 2)

91:3 × ((6 + 4) - 2)

92:3 × (6 + (4 - 2))

93:3 × (6 + 4 ÷ 2)

94:3 × (6 + (4 ÷ 2))

95:4 + 2 + 3 × 6

96:(4 + 2) + 3 × 6

97:4 + (2 + 3 × 6)

98:4 + (2 + (3 × 6))

99:4 + 2 +(3 × 6)

100:(4 + 2) + (3 × 6)

101:(4 + 2) × 3 + 6

102:((4 + 2) × 3) + 6

103:4 + 2 + 6 × 3

104:(4 + 2) + 6 × 3

105:4 + (2 + 6 × 3)

106:4 + (2 + (6 × 3))

107:4 + 2 +(6 × 3)

108:(4 + 2) + (6 × 3)

109:(4 - 2 + 6) × 3

110:((4 - 2) + 6) × 3

111:(4 - (2 - 6)) × 3

112:4 × (2 × (6 - 3))

113:4 × 2 ×(6 - 3)

114:(4 × 2) × (6 - 3)

115:(4 ÷ 2 + 6) × 3

116:((4 ÷ 2) + 6) × 3

117:4 × 3 + 2 × 6

118:(4 × 3) + 2 × 6

119:4 × 3 +(2 × 6)

120:(4 × 3) + (2 × 6)

121:(4 × (3 - 2)) × 6

122:4 × (3 - 2) × 6

123:4 × ((3 - 2) × 6)

124:(4 ÷ (3 - 2)) × 6

125:4 ÷ (3 - 2) × 6

126:4 ÷ ((3 - 2) ÷ 6)

127:4 + 3 × 6 + 2

128:(4 + 3 × 6) + 2

129:(4 + (3 × 6)) + 2

130:4 + (3 × 6) + 2

131:4 + (3 × 6 + 2)

132:4 + ((3 × 6) + 2)

133:4 × 3 + 6 × 2

134:(4 × 3) + 6 × 2

135:4 × 3 +(6 × 2)

136:(4 × 3) + (6 × 2)

137:4 × (3 + 6 ÷ 2)

138:4 × (3 + (6 ÷ 2))

139:(4 + 6 - 2) × 3

140:((4 + 6) - 2) × 3

141:(4 + (6 - 2)) × 3

142:4 × (6 ÷ 2 + 3)

143:4 × ((6 ÷ 2) + 3)

144:4 + 6 × 3 + 2

145:(4 + 6 × 3) + 2

146:(4 + (6 × 3)) + 2

147:4 + (6 × 3) + 2

148:4 + (6 × 3 + 2)

149:4 + ((6 × 3) + 2)

150:(4 × (6 - 3)) × 2

151:4 × (6 - 3) × 2

152:4 × ((6 - 3) × 2)

153:4 × (6 × (3 - 2))

154:4 × 6 ×(3 - 2)

155:(4 × 6) × (3 - 2)

156:4 × (6 ÷ (3 - 2))

157:4 × 6 ÷(3 - 2)

158:(4 × 6) ÷ (3 - 2)

159:6 × 2 + 3 × 4

160:(6 × 2) + 3 × 4

161:6 × 2 +(3 × 4)

162:(6 × 2) + (3 × 4)

163:(6 ÷ 2 + 3) × 4

164:((6 ÷ 2) + 3) × 4

165:6 + (2 + 4) × 3

166:6 + ((2 + 4) × 3)

167:(6 - 2 + 4) × 3

168:((6 - 2) + 4) × 3

169:(6 - (2 - 4)) × 3

170:6 × 2 + 4 × 3

171:(6 × 2) + 4 × 3

172:6 × 2 +(4 × 3)

173:(6 × 2) + (4 × 3)

174:(6 × 2 - 4) × 3

175:((6 × 2) - 4) × 3

176:6 + (3 × (2 + 4))

177:6 + 3 ×(2 + 4)

178:(6 - 3) × 2 × 4

179:((6 - 3) × 2) × 4

180:(6 - 3) × (2 × 4)

你可以暂时先把负号都去掉（同上）,用正数算,看能否算出?怎么算?如果可以,再把负呈加上,有时需把原来的