加减乘除混合运算练习进步题

1:-9-6 2:-96-12x0.5

3:(-12+7-2)-7

4:7.5x2.5-5+4-2

5:67x(-132)-3

5

6:992-77.5+12

5

7:15x2--5+57

15

8:(-12)x(33.3+2.5-692)

9

9:15+35.5+75.3x15-99 10:(—+23-—)x45-57

88 844

c~ 7

11:-0.5-1.5x3+21--

76

12:15x32-5.5+82-2

6 7

13:72-2x5X6.6+22)

153 5

14:2.25--+5.35x(12-2-)

17 917

15:|-16|-7x51+|-47|

_ .10,

16:-9.98x(-15x|-石|)

17：0.25x3.2x12.5

18：36x10.1

19：0.25x44

20:22.2x4+17.8x4

21：2.6+1.4x1.5-1.5

22:37-3.6-4.8)-12.5

23:2.6+2.4x(1.4-1.05) 24:15.6-16x(0.25+1.25)

26:77x9+111x3

25:30.8-[14-(9.85+1.07)]

27:2.81-0.43-0.24x3.5

28:20x[(2.44-1.8)-0.4+0.15]

29:(31.8+3.2x4)-5

30:31.5x4-(6+3)

31:28-(3.4+1.25x2.4)

32:0.64x25x7.8+2.2

33:2.55x7.1+2.45x7.1

34:2-2.5+2.5-2

35:36.25-4.25x9.9 36:6.5x(4.8-1.2x4)

37:24-2.4-2.5x0.8

38:178-145-5x6+42

39:121+49+183x99

40:44x40-68x38

41:2+45-161-38

42:117+79x116-13

43:116-48-125-86

44:71-87x75-17

45:22+4-127-97 46:19x53x77-61

47:21-87-111x35

48:141+12x71-78

49:109-87-70x45

50:36+22-175+97

52:8

9

15 1

36 27

53:12x5-2x3 54:8x5+1

6 9 4 4

55:

6-

56:4x5

6I5

63

00

X

5|4

+00

X

65

7I9

j

s

7|2

I

2I1

1IO

9|5

X

1

00

g

UJ

X

6I4 9|1

62

6

X

s

2|1

+

4|3

X

9I8

500

8|7

+

s

8|1

+

68:14x8-5x

7 6

1

67:5

4

x交+4x

16 6

12

15

69:

17 21x9

32 3 24

71：

5 3 3

7 25 7

72:—

14

x2+

3

73:1

5

74:—

22

1

+

11

-2

75:5

3

11 4

5 3

76:45x2+3x15

77:

7 12 5

19 19 6

78:1

4

79:8x12+- 80:101x--2x21

7 16 2 6 5

81:128-75-185+32

82:71x36+25-20

83:50+160-40

84:(58+370)-(64-45)

85:5.4-[2.6x(3.7-2.9)+0.62]

86:6-1.6-4+5.38+7.85-5.37

87:347+45x2-4160-52

88:50+160-40x(58+370)-(64-

45)

TOC\o"1-5"\h\z

1 11

90:

89：|-2田-刃X5-8

9 1

91:11x—：11 92：

22 8

93:0.5x3+9-1.5 94:

2

95: 96:

97: 98:

99:

100:

101:109x82+184-37 102:134+82+126-92

103

31x72x89x11

104:181-32+4-87

105

165+21-164+85

106:184x81+151-69

107

25+86x67+55

108:88-22x179-78

109:120x88-2-48

110:154x17x167x98

111:102-78-65x1 112:112-77-17-39

113:119+19+194-34

114:113-35x194-3

115:158+56x124+31

116:72-20-87-67

117:4x96+132x5

118:28-33-151x54

119:185-79x189-80

120:86x22-59+9

121:121-56-110x67

122:171+56-55-73

123:77-59-103-33 124:174-4x101-61

125

112-82x122-81

126:

107-4-26-33

127

28+53-11-25

128

:53-40x81-71

129

122x9+62+58

130

:31.5x4-(6+3)

131:28-(3.4+1.25x2.4)

132:108x21-83x55

133:132+70x156-38 134:142/50x169+36

135:

193-20-123-55

136:141+5+144x12

137:182-71-82-9

138:161-8+33x2

140:

139:73-98-106+66

TOC\o"1-5"\h\z

141:10.15-10.75x0.4-5.7 142:

143:0.68x1.9+0.32x1.9 144:

145:6.5x(4.8-1.2x4) 146:

147:5.8x(3.87-0.13)+4.2x3.74 148:

149:32,52-(6+9.728-3.2)x2.5

150:

151:[(7.1-5.6)x0.9-1.15]-2.5

152:

153:5.4-[2.6x(3.7-2.9)+0.62]

154:

155:12x6-(12-7.2)-6

156:

157:(284+16)x(512-8208:18) 158:

159:5.4H2.6x(3.7-2.9)+0.62]

160:

161:[(7.1-5.6)x0.9-1.15]-2.5

162:

163:32,52-(6+9.728-3.2)x2.5

164:

165:8x[15x(—-1)-1]

916164 2

166:

167:5.8x(3.87-0.13)+4.2x3.7

168:

169:4.38X36.94+34.3x0.2) 170:

171: 172:

173: 174:

175: 176:

177: 178:

179: 180:

181:

182:

183:

184:

185:

186:

187:

188:

189:

190