人教版四年级数学下册小数加减法混合运算专项练习题142Word文档格式.docx

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人教版四年级数学下册小数加减法混合运算专项练习题142Word文档格式.docx

8.9+0.9=8.3-3.3=0.81+0.24=5.9+0.7=

1.5+0.2=8.6-4.1=0.86+0.46=2.2-0.4=

6.2+0.5=8.2+3.9=0.68+0.31=2.4+0.7=

5.6+0.2=6.1+4=0.79-0.22=5.6+0.6=

0.63+0.24+7.38.6-0.59-2.4152.7+27.2-23.4

78.58-47.22+84.8660.09-46.68+70.146.54+1.22+2.38

30-(5.09-0.34)76.6-(15.6+2.2)4.67-2.78-1.76

7.5+0.5=6.1-0.5=0.63-0.32=6.3+0.3=

2.1-0.7=6.4+1.3=0.76+0.43=6.2+0.8=

8.6+0.4=6.2-1.4=0.7-0.1=4.3+0.2=

6.8-0.5=7.8+4.8=0.9+0.23=7.9+0.3=

4.5+0.1=7.2-3=0.65-0.33=5-0.5=

8.1-0.4=8.2+3.6=0.81-0.38=2.4-0.3=

6.6+0.8=8.1+0.4=0.89+0.41=8.4+0.5=

2.1+0.4=6.3-1.1=0.86+0.33=1.4-0.5=

0.87+0.4+5.46.3-0.17-2.8361.4+14.8-19.8

79.76+44.63+96.5467.21+19.29+83.839.7+1.07-5.74

20-(2.58+0.28)86.1-(25.4-7.6)3.95+2.13+1.33

2.9-0.2=8-3.5=0.71+0.01=4-0.2=

7+0.2=6.5-1.9=0.84+0.43=1.9+0.8=

8.6-0.4=7.6+3.4=0.82+0.03=4.5+0.4=

7.1+0.3=6.3-0.5=0.88+0.07=7.3-0.5=

8.1+0.3=8.8-4.7=0.87+0.44=2+0.5=

2.8+0.4=6.3+0.6=0.64+0.21=6.5+0.1=

7.8-0.7=6.3-1.6=0.77+0.07=8.8+0.5=

8.1+0.2=8-4.4=0.73+0.25=5.8-0.6=

0.87-0.25+5.58.7-0.22-0.7899.9-47.1-46.2

88.43-28.05+48.0674.18+24.68+36.375.69+1.24+2.3

30-(9.37-0.37)96.4+(10+3.2)8.42+4.62+1.64

5-0.7=7.4+3.6=0.88+0.44=5.5+0.4=

6+0.7=7.5+2.2=0.67+0.15=5.1-0.5=

1.4+0.4=6.2-3.4=0.82+0.01=4.2-0.5=

3.2-0.8=6+4.1=0.61-0.29=4.1-0.7=

1.9+0.5=6.1-4.6=0.78-0.32=3-0.5=

3.5+0.8=6.5-2=0.81-0.39=3.5-0.4=

2.7-0.8=7.7-1.7=0.73-0.42=6.9-0.6=

6-0.5=7.1-3.5=0.86-0.05=7.7-0.8=

0.74+0.16+1.46.1-0.72-0.2884.3-21.3-13

67.83+19.92+52.8473.96-48.01+91.118.94+5.39+3.25

40-(3.64+0.54)80.1+(13.4-7.9)8.27-6.2+1.92

7.5-0.4=6.7+1=0.69+0.11=5.4-0.2=

4.5-0.5=8.4+4.7=0.62-0.19=8.7+0.8=

1.8+0.6=7.6+1.7=0.81+0.32=5.1+0.4=

6.6-0.5=6.3-1.8=0.65+0.13=8.2+0.8=

7.4+0.5=6.1-3.7=0.71+0.39=6.5+0.5=

3.6-0.3=8.1-1.1=0.84-0.36=3.7+0.7=

8.7-0.4=7.1+0.9=0.89+0.35=1.3-0.1=

1.9-0.1=7.7+2.2=0.66-0.12=3.3+0.9=

0.81-0.23+1.68.4-0.68-4.3252.2-14.7+17.8

67.55-34.91+49.9576.69+25.43+13.427.73+4.48-3.22

50-(8.56+0.1)94.3-(22.4+8.2)6.91-3.36-1.4

5-0.4=6.1-1.9=0.61+0.05=6.2-0.2=

5.5-0.1=8.8-1.5=0.7-0.38=5.2+0.7=

4.2+0.8=7-0.2=0.74-0.44=1.1-0.2=

4.8-0.7=7.6-0.9=0.64+0.02=1.7+0.5=

3.1-0.5=7.5+1.8=0.66+0.18=1.1-0.7=

3-0.3=8.4-0.3=0.8+0.08=6.4+0.3=

1.8+0.6=6.5-3.7=0.65+0.04=3.3-0.6=

6.8-0.4=8.6+3=0.63-0.35=6.7+0.2=

0.63+0.13+9.87.2-0.24-4.7669.9-54.1+15.1

61.49+29.9+86.6372.5+27.91+50.849.88+6.12-3.65

30-(8.94+0.43)96.6+(12.8+1.8)7.2-3.15+1.47

4.9-0.5=6.1+4.9=0.83-0.05=2.5+0.7=

2.4+0.3=7.8-1=0.8-0.42=1.2-0.9=

7.5-0.6=7.8+2.5=0.86-0.17=1.6+0.9=

3.6+0.2=6.4-2.1=0.72+0.09=8.6-0.2=

7.9-0.1=6.6-4.7=0.79-0.14=7.5+0.1=

8.1+0.8=7.1-2=0.71-0.23=6.3+0.7=

3.7+0.2=6.5-0.4=0.78+0.26=3.5-0.2=

5.7+0.8=7.3+4.4=0.87-0.13=8.2+0.9=

0.82-0.24+2.46.8-0.85-1.1555.1+34.6+14.6

67.18+10.91+80.6284.99+17.48+46.986.76+1.48+2.4

70-(8.45+0.22)73.4-(12.7-9.4)7.79-2.56+2.15

8.1-0.2=6.8-1.1=0.64-0.43=5.3-0.4=

2.8-0.2=8.5+3=0.72+0.21=2.4-0.4=

6.2+0.6=8.3-3.8=0.75-0.03=6.5+0.4=

1.3+0.6=8.4-4.6=0.73-0.41=1.2-0.1=

3.8-0.8=6.7-2.9=0.69-0.29=5.8-0.9=

8.5-0.3=8.1-2.9=0.62-0.45=8.8+0.6=

1.9+0.5=7.4-4=0.7-0.26=1.6+0.1=

2.7+0.5=8.2-2.5=0.69+0.11=2.3-0.8=

0.7+0.17+1.95.8-0.1-3.938.4+20.8+13.9

76.28-48.05+28.771.58+34.72+40.077.8+3.57+2.07

60-(1.76+0.85)69.3+(29.1-3.3)9.71-5.94-1.5

8.6-0.1=8.6-4.8=0.85-0.04=1.4-0.2=

1.8-0.8=6.7+4=0.7-0.12=2.8-0.3=

3.5+0.5=6.5-2.7=0.68+0.41=2.5+0.9=

1.6-0.4=7-2.5=0.81-0.3=2.9-0.1=

4.4+0.1=8+0.2=0.71+0.28=8.5-0.7=

3+0.1=7.4-1.2=0.65-0.05=7-0.4=

3.4-0.2=7.6+2.7=0.64-0.27=5.4+0.9=

4.1-0.7=7.4+1.2=0.9-0.45=5.3-0.4=

0.62+0.21+6.95-0.13-2.8791.1-65.8+24.7

74.38+38.01+26.6968.35+46.74+21.194.68+1.89-1.06

90-(1.71-0.63)99.3+(21.7+6.4)9.15+7.09-1.19

3.6-0.6=7.4-4=0.71+0.1=3.3+0.8=

8.4+0.3=8+3.8=0.62-0.05=2.5+0.6=

6.8-0.1=7.6-2.6=0.9+0.29=2.4-0.5=

2.9-0.7=7.9-1.1=0.89-0.16=8.4+0.5=

1.1+0.6=6.9+1.7=0.87+0.3=7.7+0.8=

2.6+0.2=8.3+4.7=0.8-0.46=7.5-0.5=

8.8+0.1=8.8+4=0.83-0.45=3.5-0.2=

5.2-0.6=7.5+4.4=0.64+0.39=7.6-0.3=

0.87-0.03+2.19.1-0.39-1.6169.1-32.5+22.7

64.71-17.48+17.2665.67-43.8+16.777.3-4.21-1.38

80-(7.02+0.85)86-(20.8+2.8)6.88-1.26-2.07

4.8+0.1=6.3-4.1=0.74-0.49=2.1+0.6=

9+0.1=6+1=0.69-0.18=8.4-0.9=

1.1-0.7=8.1+0.2=0.64-0.41=9+0.5=

8.1-0.9=6.2-2.6=0.65-0.01=2.5-0.5=

7.8+0.1=9-2.2=0.64-0.11=4.4+0.9=

5.2-0.5=7.1+3=0.73-0.11=1.6-0.4=

6.7-0.3=7.6-2.6=0.8-0.43=8.1-0.3=

2.6+0.8=6.5+0.6=0.61-0.29=4.3+0.9=

0.68+0.03+6.16-0.13-3.8769-44.5+17.1

69.08-10.33+16.1961.97-15.14+90.266.52-3.73+2.28

70-(4.81+0.29)78.7+(15.7-4.8)8.44-6.53-1.5

8.2-0.8=8.3+4.1=0.64-0.12=7.3-0.9=

2.9-0.6=6.7+3.4=0.68+0.38=8.7+0.4=

8.4+0.1=6.9-0.6=0.65+0.39=2.2+0.7=

2.9+0.5=7.2+3.6=0.81+0.27=6.6-0.6=

6.5-0.2=8.2+1.3=0.69-0.22=6.1+0.7=

5.3+0.9=6.7+2=0.62-0.03=8.6-0.1=

7-0.5=6.8-3.9=0.71+0.46=2.7+0.6=

2+0.3=7.4+0.2=0.69-0.47=6.3-0.3=

0.75+0.48+8.86.2-0.9-3.180.4+11.8-30.6

75.34+14.32+14.9381.61+16.21+75.019.67-6.1-2.87

60-(6.41+0.91)99.6+(20.4-2.4)7.72+3.72-1.33

4.2+0.7=8.8-2.2=0.85+0.09=5.5-0.5=

5.6+0.9=8.4+4.8=0.85-0.22=6.7-0.8=

2.9-0.8=8.3-0.1=0.83-0.07=6.4-0.3=

6.8+0.4=6.9-1=0.77-0.34=5.8-0.7=

6.9+0.6=6.3-3.1=0.79+0.26=6.6-0.8=

2+0.2=8.7-0.8=0.68-0.2=9+0.8=

5.3-0.7=7.7-0.5=0.66+0.05=4.6+0.7=

1.5-0.5=7.7+2.3=0.82-0.42=6-0.3=

0.79+0.26+7.15.1-0.36-0.6446.8+24.7-10.4

72.75-36.77+68.0571.91-17.3+29.815.51-1.94-1.5

80-(2.94+0.62)81.7-(16.6+4.9)8.93+5.73+1.44

1.3-0.4=7.1+3=0.8-0.44=5.2+0.4=

2.6+0.6=6.7-1.6=0.81-0.16=1.7+0.5=

4.7+0.1=9+2.7=0.76-0.1=6.6-0.9=

7.9-0.1=6.6-3.9=0.82+0.28=4.9-0.5=

8.3+0.8=8.9+1.9=0.78+0.1=4.8-0.7=

2.9-0.2=8.8-1.4=0.68-0.46=5.4+0.9=

3.3-0.7=6.4-4.1=0.76-0.24=3.6+0.5=

4.6-0.8=8.6-2.2=0.86-0.44=2.5-0.3=

0.65-0.31+5.28.1-0.71-4.2956.6+36+20

63.18-37.27+76.9961.08+20.71+996.19-2.33+3.8

60-(4.29+0.71)61.4-(20.1+8.2)8.66-7-1.57

1.8-0.3=6-1.6=0.68+0.36=3.7-0.7=

7.4-0.6=6.5-1.1=0.89-0.41=6.2-0.8=

3.2-0.2=8.8+0.2=0.74-0.09=6.3-0.4=

5.2+0.7=6.5-1.7=0.61+0.39=1.7+0.3=

1.3-0.2=7.1+4.9=0.87+0.12=2+0.1=

1.7+0.4=6.6-4=0.64+0.1=2.6+0.9=

1.8-0.7=6.7-1.9=0.79+0.23=7.5+0.2=

5.1-0.7=6.6-4.1=0.9-0.12=6.3+0.6=

0.67-0.34+4.18.4-0.37-0.6352.5-15+26.6

78.93-35.44+23.2478.71-30.43+99.755+3.01+1.12

80-(6.19+0.26)73.8-(14.3-2.9)8.53+2.91+4.87

8.9+0.7=6.5+4.8=0.85+0.21=8.4+0.2=

2.4-0.6=7.9+2.8=0.81+0.05=8.6+0.5=

4.4-0.2=7.6-2.9=0.61-0.46=3.3+0.3=

2.6-0.4=7.5-3.9=0.76-0.11=4+0.3=

6.5+0.4=7.4+1.5=0.63-0.07=2.2+0.5=

7.4-0.7=7.9-2.3=0.64+0.43=5.5-0.5=

2.4+0.2=7-0.1=0.6+0.14=6.2-0.9=

3.7+0.8=6.5+0.1=0.68+0.19=3.3-0.1=

0.76-0.3+2.35.4-0.39-0.6195.2-68.7+23.3

81.2+41.4+47.2577.4+33.28+27.578.32+1.54+4.85

30-(1.51+0.89)73+(15.3+1.2)3.8-1.1-2.32

6.1-0.8=7+2.9=0.76+0.43=1.4+0.5=

1.2+0.4=7+1.4=0.65+0.45=7.9+0.3=

1.4-0.7=7.3+4=

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