人教版四年级数学下册小数加减法混合运算专项练习题86Word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86Word文档格式.docx

4.9-0.7=6.8-1.1=0.83+0.18=5.1+0.5=

7.1+0.9=6.7+4.8=0.73+0.02=6.4-0.2=

二、混合运算。

0.8+0.35+6.38.9-0.61-3.3996.9+57.6-34.5

77.57-29.58+78.6588.83+44.83+91.358.11-3.77-3.47

90-(2.75+0.68)82.8-(29.7+7)6.26-3.71+2.03

3.6-0.4=6.7-0.2=0.66+0.18=3.3+0.2=

5+0.8=6.8-1.3=0.81-0.4=3.5-0.6=

8.1+0.2=7.3+1.2=0.9+0.27=3.2+0.6=

1.3+0.1=7.9-3.4=0.84+0.46=4.6+0.3=

1.4+0.3=7.6-0.7=0.6+0.48=3.9-0.8=

6.7-0.3=6.3-4.8=0.74+0.11=9+0.8=

4.4+0.3=6.3+0.9=0.71+0.02=7-0.5=

5.9+0.2=6.6+2.7=0.77-0.17=2.1+0.9=

0.83+0.47+89.1-0.88-1.1255.5+10.5+39.6

71.02-23.83+14.0669.76-32.56+96.357.82+1.84+3.24

20-(5.36+0.92)82.6-(24-3.5)6.84+4.88-1.71

1.4-0.7=6.3-0.9=0.86-0.42=7.9+0.1=

5.7+0.2=6.5+0.6=0.68+0.19=6.9-0.7=

6+0.2=6.3-3=0.61-0.02=3-0.2=

3.3+0.9=8.6+1.2=0.8-0.05=4.8-0.8=

1.8-0.6=7.6+1.1=0.72+0.01=1-0.5=

8.8-0.6=6.8-3.4=0.86-0.04=7.6+0.4=

3.7+0.6=6.2+2.9=0.6+0.03=7.5+0.5=

8.8-0.3=7.9-4.4=0.67+0.21=7.8+0.1=

0.9+0.22+2.58.8-0.34-3.6644.9+10.1-15.2

63.99+29.54+49.9282.15-45.66+51.794.55+1.45+2.83

40-(9.5-0.74)84+(21.8-3)9.59+2.85-5.82

3.2-0.6=7+0.6=0.79+0.07=8.9-0.1=

7.2+0.2=8.1-0.7=0.81+0.25=5.5-0.6=

1.3+0.7=7.5+4.2=0.82+0.34=6.3-0.8=

5.3-0.9=7.8+2.8=0.88+0.14=5.1+0.7=

5.9+0.3=7.6-0.3=0.6+0.36=2-0.7=

2.8-0.3=8.8-3.6=0.66+0.1=6.5-0.4=

5.8-0.4=8.2+2.5=0.77+0.3=4.9+0.7=

7.3+0.1=7.6-4.7=0.79+0.1=2.8+0.3=

0.6+0.45+7.76.7-0.3-1.784.3-22+55.5

72.06-23.84+92.7278.09-15.06+12.415.05+1.86+1.27

30-(6.34-0.22)71.1-(10.4+9.7)4.96-1.67+2.85

4+0.7=7.3-1.4=0.71-0.47=5.8+0.9=

8.8-0.9=7.2-4.2=0.63-0.05=5.6-0.1=

4.9+0.7=9-4.8=0.71+0.24=6.1-0.3=

3.2-0.8=6.3-3.4=0.63-0.1=1.3-0.3=

7.2-0.1=8.1+3=0.73+0.37=7.2-0.3=

2.9+0.8=8.6+1.7=0.74-0.14=6.9+0.1=

8.5+0.9=6.2+3.8=0.66+0.27=7+0.3=

7.1+0.8=7.3+2=0.9+0.01=2.7-0.4=

0.76+0.04+4.57.9-0.37-3.6342.5+23.4+15.6

84.49-40.99+15.8884.36-25.47+40.454.23-2.48-1.67

90-(3.51+0.53)83.4-(28.1-8.8)5.06-3.15+1.8

6.6+0.5=6+3.8=0.81-0.12=3.6+0.3=

8.3+0.8=6.2+4.8=0.87+0.43=8-0.5=

6.9+0.8=6.4+4.6=0.77-0.11=4.5+0.4=

4.4+0.9=7.9+4.1=0.66-0.28=1.6+0.6=

4.3+0.6=7.5-3.6=0.75-0.22=4.7+0.2=

6.3+0.2=6.6-4.4=0.68-0.12=5.8-0.3=

4-0.6=7.9+3=0.77-0.46=1.9-0.4=

8.8-0.1=8.2-3.7=0.78-0.15=8.3-0.6=

0.81-0.13+4.77.8-0.31-0.6954.8+36.3-10.8

78.57-14.4+94.2664.48+21.4+74.267.32-3.34+3.54

70-(3.36-0.43)78+(16.4-5.9)5.3-2.9+2

4-0.9=6.2+3.3=0.78-0.06=4.5-0.7=

7.1-0.9=6.7+2.4=0.75+0.22=1.2-0.8=

2-0.3=6.7-0.4=0.82-0.36=7.6-0.9=

8-0.8=8.9+1.9=0.79+0.29=6.9-0.8=

5.1+0.5=6.9+4.7=0.83+0.26=8.4-0.1=

6.5+0.1=9-1.6=0.86+0.49=6.7-0.8=

2.2-0.9=8.9+2.6=0.86+0.23=1.3-0.1=

3-0.2=6-0.7=0.83+0.35=7.1-0.8=

0.81-0.26+4.37.2-0.59-2.4196.4+45.5-42.1

79.72-46.62+93.5782.06+44.19+92.587.12+5.26+1.21

20-(5.93-0.28)83.7-(21.9+1.2)4.79+2.42-1.17

5.6-0.1=8.1-3.4=0.78+0.02=4.9-0.2=

7.9-0.2=6.6-2.1=0.78+0.22=2.3-0.9=

2+0.9=9-3.4=0.64+0.11=4.5-0.5=

3.8+0.4=7.4+3.1=0.64-0.13=6-0.5=

7.2-0.3=9+3.6=0.85-0.2=3.8-0.7=

7.5-0.9=6.9+0.2=0.65-0.04=7.2-0.6=

2.2+0.6=6.7-2.6=0.63-0.34=3+0.7=

5-0.9=8.4+2.1=0.73-0.34=4.8+0.4=

0.9+0.32+2.97.5-0.6-3.489.5-51.9-19.8

65.74+29.07+26.8861.67+29.74+54.464.01+1.16-1.22

40-(9.17+0.53)86.2-(13.4-7.1)5.12+3.29-1.53

1.4-0.8=7.9-1.1=0.7-0.23=2.6-0.7=

6.8-0.3=8.2+3.2=0.78-0.42=7.2+0.1=

4+0.2=7.9+2.7=0.82-0.38=4.6+0.4=

3.7+0.9=6-4.2=0.84-0.04=8.7+0.4=

1.3+0.1=7.3+1.3=0.84-0.26=3.8+0.9=

8.2-0.4=8+0.5=0.64-0.34=4.2-0.9=

4.5+0.4=6.4+2.4=0.77+0.05=2.5+0.7=

4.7-0.4=8.8+2=0.63-0.2=

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