人教版四年级数学下册小数加减法混合运算专项练习题12Word下载.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12Word下载.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12Word下载.docx

4.6-0.4=7.5+3.9=0.66+0.09=4.8-0.9=

7+0.5=7.5-3.9=0.62+0.16=8.7+0.3=

6.4+0.6=8.4+2.6=0.63+0.22=8.8+0.8=

8.6-0.6=6.1-4.3=0.77+0.13=3.8-0.7=

0.65-0.19+5.28.4-0.28-0.7249.5+12.3+23.5

82.26-13.4+33.1876.79+12.78+12.313.69-1.16+1.6

80-(8.94+0.96)84.1+(27.7-7.4)6.58-4.07+1.86

9-0.1=8.3+4.9=0.62+0.35=8.4+0.7=

7.7+0.5=6.7-2=0.89-0.45=1.5+0.2=

1.8+0.6=8.4+4.2=0.68+0.3=3.9+0.3=

2.7+0.2=7.9-3.6=0.68+0.02=3.4-0.1=

5.8+0.5=6.2-1.5=0.84+0.47=1+0.3=

7.5+0.1=8.6-0.6=0.78+0.42=2.6-0.6=

6.8-0.4=8.3+0.9=0.76-0.46=6.6+0.4=

5.1-0.2=8.3+1.2=0.68+0.06=3.6+0.2=

0.82-0.23+57.4-0.1-1.980.9+36.3+11.6

60.05+34.16+49.3882.3-43.49+32.096.5+3.43+1.98

70-(1.07-0.65)88.9+(28.7-9)6.27-2.21+3.79

7.1+0.9=7.9+1.2=0.82+0.06=7.8+0.4=

5.3-0.8=6.4-2.3=0.6-0.22=7.2-0.8=

8.1-0.8=6.6+4=0.75+0.24=6.5+0.1=

6.1+0.6=6.5-3.3=0.85-0.44=8.2-0.1=

5.2+0.8=8.8-2.8=0.73+0.41=6.2-0.8=

5.9+0.1=7.8-3.7=0.88-0.22=6.8-0.4=

3.2+0.5=8.4-3.9=0.75-0.27=5.7+0.5=

5.3+0.1=7.7-0.8=0.63+0.03=6.9-0.9=

0.69-0.21+0.67.1-0.25-3.7577.6+28.1+32.1

85.69+47.96+50.4685.7-16.85+45.668.83-4.32+2.61

50-(8.81-0.32)89.1+(13.3+7.8)9.14-1.65+2.15

1.7-0.7=7.4-0.9=0.83+0.43=2.2+0.4=

3.2-0.2=7.7+4.4=0.87-0.39=3.1+0.9=

3+0.7=6.5+2.5=0.9+0.06=5-0.5=

4+0.8=8.6+1.9=0.83-0.49=4-0.6=

1.9+0.4=6.5+2=0.76+0.19=6.7+0.6=

3.6+0.6=8.4-1.5=0.72-0.29=7.5-0.4=

1.6+0.5=7.6-1.6=0.75+0.03=1.8-0.9=

5.2+0.7=6.3-3.5=0.81-0.12=4.4+0.3=

0.67+0.04+8.65.7-0.55-2.4594.1+41.4+51.4

70.36-37.9+45.3481.49+30.46+34.055.09+1.9-2.15

70-(7.64+0.79)86-(22.4-3.8)7.27-2+3.48

8.7+0.9=8.8-0.9=0.73+0.11=4.8-0.8=

3.8-0.1=8.1+4.9=0.63+0.35=8.9-0.1=

5-0.2=6.7-2.7=0.74+0.05=2.5+0.9=

3.9+0.2=6.4-3.3=0.78+0.46=2.7-0.3=

7.9+0.1=7.7+2.5=0.72-0.16=8.8-0.4=

1+0.1=8.7+1.5=0.71+0.15=7.9+0.1=

3.4+0.1=7.2+1.8=0.84+0.07=5.6+0.8=

5.9+0.5=8.5+2.4=0.87+0.48=3.3+0.4=

0.67-0.4+3.35.3-0.57-0.4371.2+42.8+27.6

89.41+32.74+14.3468.92+18.49+72.126.06-1.56+3.05

80-(1.16+0.42)63.2-(11+4.3)5.9-2.57-1

8.6-0.4=8.6+3.4=0.89-0.47=2.9-0.3=

7.3+0.2=7.3+1.1=0.76+0.09=3.1+0.7=

4+0.4=8.5-3.2=0.89-0.03=6.4+0.7=

5.5+0.8=7.7-1.7=0.72+0.09=8.1+0.1=

1.5+0.4=7.2-2.7=0.6-0.01=5.8+0.4=

7.8-0.2=8.4+3.5=0.77+0.18=1.7-0.8=

6.1-0.2=6.3-4=0.88+0.33=8.4+0.2=

2.3-0.1=8.1-4.1=0.89-0.18=1.4+0.4=

0.81+0.03+8.46.1-0.83-4.1786.4+53.9+26

81.19-27.63+23.5183.45-39.78+77.674.34-1.5+1.15

80-(6.91+0.74)74-(26.8-3.3)6.36-2.9-1.69

5.7-0.5=6.1+3.8=0.8-0.3=8.7+0.4=

3.2+0.1=8.5+3.3=0.85-0.22=2.5-0.5=

2.3-0.9=8.9+2.3=0.64-0.29=5-0.5=

2-0.3=6.7+4.1=0.82+0.05=4.5-0.2=

6.5+0.7=6.2+1.7=0.9+0.1=3.2-0.9=

5.3-0.5=6-1.1=0.9-0.11=5.2-0.7=

8.2+0.9=8.9+1.5=0.65-0.07=2.4+0.1=

5.9+0.5=6.4-3.3=0.67-0.32=2.3+0.3=

0.76+0.23+0.97.4-0.34-1.6659.4-38.5-13.6

62.18-23.8+25.0882.48+29.36+21.346+1.55-4.38

30-(7.68-0.68)62.5+(23.6-1)9.91+6-1.71

6.7-0.3=8.4-2.7=0.87-0.3=8.6-0.1=

8.3+0.1=8.7-1.4=0.78+0.32=5.7-0.1=

3.9+0.6=6.2-0.8=0.72+0.47=5.7+0.8=

6.8-0.5=6.4+4.4=0.69-0.07=5.4+0.7=

1.9+0.7=7.2-2=0.69+0.33=4.7-0.3=

6.2-0.8=6.1-4.8=0.8+0.25=2+0.9=

5.5+0.4=7.1-3.1=0.84+0.11=8.4+0.2=

6.7-0.1=7.7+1.5=0.86-0.24=8.1-0.1=

0.78-0.23+7.16.8-0.89-0.1192+59.6-25.1

86.28+42.76+75.6376.69+13.05+40.863.93-2.14+1.38

90-(1.49-0.84)84.8-(23.1-3.4)7.27-1.31-1.19

9-0.1=6.9-4.5=0.9+0.32=1.8+0.5=

5.3+0.1=6.8-1.3=0.78-0.34=7.9+0.5=

5+0.2=6.9+3.8=0.83-0.13=1.2-0.6=

5.6+0.4=8.6-4.1=0.69+0.48=3.1+0.8=

2.8-0.9=7.9+2.7=0.69+0.13=7.6-0.6=

1.1+0.1=7.8+3.7=0.87-0.06=6.7-0.7=

4.5-0.7=8.8+1.3=0.83+0.39=5.9+0.3=

6+0.7=6.4-3.5=0.78+0.3=2.2+0.1=

0.69+0.2+96.5-0.36-3.6475.7-10.1-60.5

62.14+28.81+14.9182.27+42.51+83.469.79+5.36+1.5

90-(5.69+0.6)96.9+(11+4.2)9.1+3.38-4.16

4.8+0.6=8.8-4.7=0.77+0.11=4.8+0.5=

7.1+0.7=8-3.8=0.86+0.13=2.3+0.4=

5.1-0.5=7+4.8=0.9-0.36=5.4-0.5=

5+0.6=9-0.3=0.63+0.37=6.1-0.9=

7.5-0.3=7.6-4=0.62+0.08=1.1+0.7=

7-0.2=8.2+0.7=0.74+0.18=5.1+0.5=

5.1+0.2=8.9-3.7=0.61-0.26=5.1-0.4=

7.8+0.5=8.3+0.1=0.79+0.43=4.6-0.2=

0.71+0.3+5.47.9-0.4-4.666.3-37.7+17.2

68.06-41.11+18.8460.12+37.86+34.34.02+1.27-1.1

30-(4.39+0.37)79.5-(28-5.5)6.07+3.3+2.3

2.8-0.1=7.1-1=0.75-0.24=2.1+0.9=

6.6+0.4=6.7-3.9=0.87-0.05=2.5+0.7=

6.5+0.1=7.9-1.9=0.63-0.31=4.7+0.5=

3.2+0.9=6.9+0.4=0.9+0.18=1.6-0.2=

4.3-0.2=8.7-1.9=0.69-0.07=7.1+0.6=

8.9+0.1=8.5+1.5=0.76-0.35=6.7+0.8=

5+0.5=6.3-1.4=0.87+0.33=8.5+0.1=

1.6-0.4=6.1+2.1=0.61+0.17=4.3+0.9=

0.79+0.42+7.38.6-0.71-4.2970.2+22.7+19.8

82.84+18.61+92.0665.01-45.01+938.38-4.35+2.42

90-(3.67-0.54)90.3+(18.2+8)9.76-2.74-6.91

7.3+0.2=7.3-1.9=0.67+0.42=7.5-0.2=

1.3-0.5=8.4+1.4=0.81-0.17=8.2+0.9=

3.9+0.6=8.7+4.9=0.71-0.26=4.8+0.6=

3+0.9=7.2-0.6=0.89+0.49=3.5-0.5=

4.5+0.6=7-4.8=0.78+0.42=8.8+0.9=

3-0.2=7.5-0.6=0.78+0.2=1.7+0.6=

6.2-0.3=7.2-2.9=0.83+0.16=2.2-0.9=

8.3+0.9=6+4.9=0.79+0.14=3.3+0.4=

0.65+0.24+0.59.1-0.62-1.3863.8+19.8+22.1

61.19-28.63+14.0870.44-30.68+11.375.67+2.51+1.64

40-(9.66+0.35)87.8+(26.1-7.6)9.82-6.34+1.86

1.2+0.5=8.4+1.6=0.83-0.19=2.1-0.5=

6.9+0.1=8.1-4.9=0.78-0.44=4.2-0.8=

6.2-0.1=8.8+4.4=0.78-0.38=2.4+0.2=

8.6+0.1=7.3+4.8=0.83+0.4=3.7-0.1=

7.3+0.5=6+1.1=0.9+0.21=3.7+0.4=

2.9-0.3=6.2+2.7=0.72-0.38=6-0.9=

3.5-0.2=8.9+3.9=0.61-0.36=1.3-0.5=

6-0.5=7.3-4.4=0.78+0.11=4.5-0.9=

0.74-0.33+58.3-0.17-1.8335.9-17.9-13.1

69.37-36.09+76.4672.8-15.65+53.096.45-4.77-1.5

70-(5.45+0.99)63.3-(29.7-4.1)6.34+2.63+1.62

4.8-0.2=6.1+0.4=0.9+0.11=5.5+0.1=

8.6-0.4=8.5+3.9=0.85-0.18=6.5+0.6=

5.3-0.6=7.7+4.5=0.8+0.07=4.8+0.1=

6.9-0.8=7.5-1.7=0.65-0.34=7+0.9=

2.6-0.7=8-1=0.73+0.23=3.2+0.2=

2.5+0.9=9+3.4=0.85+0.36=6.3+0.5=

4.7+0.2=7-3.8=0.65-0.47=6.5-0.2=

4.1-0.7=7.5-1.6=0.64-0.3=7.5-0.3=

0.73-0.23+7.16.8-0.7-0.379.9+27.4+23.5

64.66+17.88+56.0571.35+31.37+82.184.62+2.68+1.19

70-(8.74-0.92)90.3+(22.4-5.5)4.03-1.83-1.94

4.2-0.7=8.4+1=0.78-0.16=8.1-0.7=

1-0.7=7.1-2.8=0.7-0.43=7.2+0.4=

6.6+0.4=6.7+0.5=0.82+0.18=7.3-0.9=

4.3-0.3=8.9-0.9=0.7+0.3=3.5-0.5=

3.2-0.3=8.4+1.2=0.72-0.25=1.1+0.4=

7.5-0.5=7.7+1.7=0.69-0.17=7.7+0.5=

7.8+0.6=8-1.6=0.6-0.07=4.8-0.4=

5.2+0.2=7.6-4.7=0.87+0.3=3.8+0.3=

0.74-0.31+3.28-0.43-4.5740.5+18.2-17.5

86-45.36+37.0879.84+32.33+67.194.66+2.06+2.16

70-(8.12+0.12)92-(23.6+2.7)4.19+2.62-1.52

3.1+0.6=7.5-3.9=0.75+0.39=4.9-0.5=

4.1-0.1=7.9-1.4=0.79-0.38=1.6-0.9=

7.2+0.3=7+4.7=0.61+0.13=6.8-0.7=

8.4-0.9=8.7-2.2=0.74-0.26=4.7+0.9=

2.6+0.8=7.3+1.6=0.81+0.14=1.4+0.1=

4.2-0.8=6.7+2=0.63+0.29=8.4+0.2=

1.9-0.1=6.1-3.6=0.75+0.41=4.1+0.8=

8.7-0.4=7-1.8=0.84+0.12=4.8-0.3=

0.86-0.38+7.17.9-0.54-3.4641.5-22.4-10.7

80.02+38.65+79.5686.71+32.79+68.347.72-4.62+1.21

20-(6.01-0.42)83.9+(14.7-8.6)5.71+3.21-1.71

7.7-0.6=8.3-0.1=0.8-0.44=4.8+0.8=

6.6-0.1=8.9+2.2=0.87-0.33=5.2-0.5=

5.7-0.6=7.7-3=0.73+0.14=4.4+0.9=

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