人教版四年级数学下册小数加减法混合运算专项练习题24Word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24Word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24Word文档格式.docx

8.3-0.4=

4.8-0.3=

8.3-0.6=

0.67+0.12=

7.1-0.1=

2.3+0.9=

7.5-1.6=

0.88+0.17=

1.7-0.6=

2.2+0.9=

7.6+3.7=

0.78-0.26=

4.8+0.4=

5.5+0.5=

6.7-2.1=

0.61+0.18=

5.1-0.2=

二、混合运算。

0.67-0.23+8 6.6-0.28-1.72 86.2-51.3-10.7

82.56+38.04+23.44 78+25.18+51.32 8.75-3.8-3.74

70-(2.55+0.42)

81.5-(25.9-9)

9.58+5.55-1.29

5.9-0.7= 8.5-0.3= 0.75-0.34= 3.2-0.1=

3.5-0.9= 7.6+1.9= 0.9+0.27= 2.4-0.4=

7-0.8= 7.9+0.8= 0.8-0.28= 3.5+0.4=

6.2+0.7= 7-3.1= 0.68+0.22= 4.2-0.6=

6.1-0.6= 8.4+4.1= 0.63-0.02= 8.7+0.5=

9+0.7= 8.7+1.8= 0.73-0.34= 2.7+0.8=

8.8+0.4= 6.3-0.4= 0.72-0.28= 2.4+0.8=

3.3-0.2= 8.4-4.7= 0.63+0.31= 1.2-0.6=

0.79-0.39+4.6 6.7-0.37-0.63 97.4+76.9+12.5

80.28+31.04+23.04 76.01+31.27+10.21 6.01-2.83-1.45

40-(5.45+0.77)

97.2+(17+1.1)

9.53-4.75-4.6

6.3+0.2= 7-4.9= 0.66-0.17= 9+0.4=

4.5-0.9= 7.2-3.6= 0.74+0.17= 8.6-0.8=

6.3-0.9= 7.5+3.6= 0.69-0.02= 7.6+0.4=

8.9-0.7= 7.4+4.3= 0.7-0.25= 3.5+0.1=

4-0.4= 8.8+3.2= 0.72-0.16= 6.8+0.8=

5.8+0.1= 6.6+1.1= 0.65+0.43= 2.4-0.9=

4.3+0.5= 8.3-3.6= 0.67-0.42= 2.6+0.4=

6.3+0.2= 8.1+3.4= 0.76-0.25= 8.6+0.4=

0.77-0.46+4.3 7.8-0.69-2.31 39.4+10.8+26

82.54+15.92+57.8 67.94-10.97+61.15 5.17+3.07+1.36

60-(5.9+0.81)

72.1+(18.2-1.8)

4.12+2.24-1.5

8.1+0.9= 6.1-1= 0.83+0.36= 9-0.6=

8.5-0.1= 9+3.2= 0.69-0.35= 4.3-0.2=

5.1-0.9= 6.1+0.8= 0.62-0.45= 8.5-0.1=

4.9+0.5= 6.6+0.7= 0.63-0.25= 2.9-0.1=

7.6+0.6= 6.5+2= 0.86+0.24= 2.7-0.2=

7.1+0.1= 6.5-4= 0.65+0.11= 4+0.6=

4.1+0.4= 8.4-4.5= 0.71+0.08= 6.4-0.1=

4.4+0.4= 6.2-2.9= 0.85+0.15= 7.6-0.3=

0.82-0.12+9.4 9.3-0.84-0.16 74.3+43.9-10.7

79.64-47.19+67.23 66.42+22.42+91.29 3.72+1.95-1.62

30-(4.24+0.9)

94.8+(12+1.1)

8.64-5.81-2.02

5.2+0.5= 8-2.6= 0.81+0.37= 4.6-0.6=

8.7-0.5= 8.9-0.5= 0.76-0.3= 3.8+0.8=

2.8-0.2= 7.3-4.9= 0.77+0.02= 6.4-0.6=

6.7-0.6= 8.3+4.2= 0.89-0.37= 3.8-0.9=

2.8+0.5= 7.2-4.1= 0.83-0.48= 8.4+0.8=

5.8-0.8= 8+2.5= 0.72+0.4= 5.3+0.6=

1.6-0.4= 6.5-1.5= 0.6-0.13= 2.4+0.9=

6.5-0.1= 7.6+2.9= 0.76-0.07= 5.2+0.8=

0.69+0.33+5.6 8.9-0.39-0.61 79+52.8-19.6

64.99-20.82+83.53 86.75+47.58+50.94 4.37+1.06+2.66

80-(2.53-0.19)

71.7-(25.1-1.5)

8.25-4.6+3.16

3.5+0.2= 7.1-3.6= 0.6+0.49= 4.9+0.2=

3-0.4= 8-4.2= 0.79+0.11= 1+0.4=

1.2+0.1= 7.6-1.7= 0.76+0.1= 5.7+0.1=

6.6-0.5= 8.3+4.5= 0.86-0.37= 4.4+0.5=

8.9+0.8= 8.1-4.6= 0.64+0.49= 3.4-0.5=

2-0.7= 7.9-2.3= 0.83+0.08= 2.9-0.5=

5.7+0.1= 7.9-2.5= 0.75-0.26= 6.4-0.6=

4.5+0.6= 7.2-1= 0.64-0.49= 1.7+0.7=

0.77-0.1+6.5 7.7-0.44-4.56 49.5+21.7-23.9

75.95-35.01+28.96 82.83-15.98+59.43 8.26-3.01+3.67

20-(4.77+0.39)

65.4+(23.3-2.2)

9.38+7.84-1.31

2.5-0.5=

7.5+3.6=

0.64+0.49=

2.4+0.5=

2.8+0.3=

7.6+2.6=

0.79-0.02=

7.8-0.2=

1.5-0.1=

6.2+2.2=

0.67+0.03=

6.2+0.9=

6.3+0.2=

8.2+4.1=

0.74+0.02=

7.4+0.2=

6.4+0.9=

8.1+1.2=

0.86+0.06=

7.8-0.1=

7.7-0.7=

8.5+4.2=

0.84+0.12=

6.2+0.6=

7.9+0.3=

6.2-2.5=

0.86+0.28=

5.6-0.1=

2.9+0.4=

7.3-3.9=

0.9-0.29=

7.9-0.4=

0.67-0.36+3.8 8.3-0.69-1.31 71-30.4-32.2

65.02+28.22+76.41 89.11+47.89+17.4 8.42+6.74-1.5

30-(6.41-0.93)

88+(27.6+8.9)

7.06-2.21+4.4

8.6-0.8= 8.6-1.4= 0.86-0.21= 6.2+0.1=

7.8-0.9= 7.3+3.8= 0.86+0.19= 8.1-0.2=

9-0.9= 8.8+1.7= 0.78+0.16= 2.9+0.2=

5.5+0.2= 8.4-4.9= 0.81-0.23= 4-0.2=

6.5+0.9= 7.8+1.5= 0.61+0.32= 2.2+0.2=

1.8+0.2= 8.7+1.3= 0.82+0.49= 4.9-0.7=

6.2-0.8= 7.7+1.2= 0.84-0.3= 5.3+0.1=

1.3+0.7= 7.8+1.9= 0.8+0.49= 6.3-0.5=

0.87+0.12+5.4 8.9-0.68-2.32 99.9-30.9+41.6

60.34-31.95+11.59 68.87-20.39+78.87 5.54+1+2.08

20-(4.59+0.98)

94.3-(20.7-8.3)

7.51+2.18+1.53

8+0.8= 8.6+2.9= 0.8-0.09= 7.8+0.7=

5.2-0.7= 6.2+4.7= 0.81-0.46= 3.1+0.2=

3.3+0.4= 8.2+0.5= 0.88-0.13= 8.5+0.6=

8.5-0.5= 7.5+3.4= 0.86-0.23= 3.3+0.9=

5.1+0.4= 7.5-0.9= 0.73+0.14= 4.4+0.6=

7.4+0.5= 7.5-1.1= 0.76-0.24= 8.1-0.9=

8.1+0.5= 6.7-0.4= 0.62+0.1= 8.7+0.8=

2.7+0.7= 8.3-3.3= 0.62+0.14= 2.2-0.5=

0.83-0.32+1 8.5-0.68-3.32 97.5+37.2-28.9

67.8-11.44+56.67 87.48-45.87+68.41 3.73-2.13+1.46

70-(7.76-0.54)

84.9+(16.4+1.2)

6.1-4.46+1.1

8.9+0.6= 7.7+1.9= 0.82-0.18= 3.7-0.9=

2.8-0.1= 7.3+2.9= 0.84+0.14= 7.3+0.4=

1.5+0.5= 7.5-2.7= 0.72-0.46= 4.2-0.1=

3.9+0.7= 8.9-4.8= 0.89+0.1= 5+0.1=

3.2+0.4= 8.9+3.3= 0.71-0.27= 7+0.9=

7.6+0.2= 9+3.4= 0.65-0.38= 1.4-0.2=

8.9+0.9= 7.8-1.4= 0.71+0.33= 5.3-0.4=

4.2+0.7= 6.9+3.2= 0.71-0.27= 7.3+0.4=

0.8-0.47+9.8 8.2-0.59-4.41 44.9-20.7+18.7

67.56-10.22+36.18 78.69+11.14+44.54 8.46-3.32-1.48

40-(6.6+0.49)

70.5-(14.7+4.3)

8.63+6.14-1.94

4.9+0.5= 6.8-0.5= 0.69+0.29= 2-

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