人教版四年级数学下册小数加减法简便计算练习题49Word文档格式.docx

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人教版四年级数学下册小数加减法简便计算练习题49Word文档格式.docx

6.23+5.3+0.77.81-2.9-1.1

5.16-3.4+3.8418.2+0.33+0.67+2.8

3.2+4.5+7.89.15-3.86-0.14

51+6.1+4.5+354.64+0.68+5.32

3.47+0.14+3.534.56+8.6+2.44+1.4

5.3+2.29+5.71+1.79.28+9.07-5.28

9.8+1.84+0.2=9.8+____+1.84

(5.93+3.58)+2.42=____+(____+____)

42.01-7.8-2.2=____〇(____〇____)

5.16+1.3+5.78.56-2.6-2.4

6.53-2.6+1.4716.3+0.29+0.71+8.7

7.4+6.5+7.48.05-0.19-3.81

81+6.1+3.4+586.58+2.78+7.22

5.96+9.19+4.040.34+0.3+9.66+9.7

0.7+3.95+2.05+6.38.43+0.34-4.43

6.7+4.21+3.3=6.7+____+4.21

(2.34+4.64)+4.36=____+(____+____)

25.47-6.5-3.5=____〇(____〇____)

3.81+1.1+6.97.69-2.8-1.2

5.26-1.4+3.7417.2+0.59+0.41+4.8

4.3+5.7+5.67.79-2.76-1.24

13+1.1+1.6+326.14+5.59+4.41

3.23+8.39+2.774.07+7.8+5.93+2.2

1.6+3.28+1.72+4.49.12+6.05-5.12

2.1+5.57+7.9=2.1+____+5.57

(4.07+2.53)+6.47=____+(____+____)

46.12-3.7-6.3=____〇(____〇____)

8.05+3.8+5.27.78-3.4-0.6

4.34-3.2+3.6612.4+0.11+0.89+15.6

2.9+2.2+1.97.91-1.29-5.71

27+6.7+4.4+943.73+4.78+1.22

1.62+5.89+5.380.78+5.6+9.22+4.4

0.5+3.27+5.73+7.56.88+8.99-4.88

8.2+1.93+1.8=8.2+____+1.93

(1.05+1.74)+6.26=____+(____+____)

29.09-6.2-3.8=____〇(____〇____)

3.97+1.9+4.19.16-2.1-1.9

6.58-3.5+2.424.3+0.28+0.72+15.7

3.3+4.2+5.48.45-3.23-3.77

94+8.7+1.7+634.75+3.43+2.57

3.78+3.02+5.225.23+3.7+3.77+6.3

2.5+3.71+5.29+4.57.53+8.23-3.53

9.8+1.98+0.2=9.8+____+1.98

(9.63+1.93)+6.07=____+(____+____)

11.69-6.8-3.2=____〇(____〇____)

8.42+4.4+2.66.88-2.5-2.5

6.98-2.3+1.0213.5+0.99+0.01+6.5

8.8+8.8+4.49.11-0.58-5.42

95+1.2+2.7+311.72+0.12+5.88

1.58+3.19+7.422.85+7.1+7.15+2.9

5.5+4.04+5.96+1.57.25+0.63-6.25

4.7+4.93+5.3=4.7+____+4.93

(7.24+3.74)+5.26=____+(____+____)

11.46-8.8-1.2=____〇(____〇____)

1.04+3.8+5.28.47-2.1-2.9

6.37-1.6+0.6316.2+0.41+0.59+12.8

5.6+2.7+1.49.36-1.33-3.67

44+7.5+9.5+986.09+3.87+2.13

1.39+9.33+4.615.14+3.2+1.86+6.8

3.6+2.97+7.03+2.48.84+3.06-7.84

4.1+8.03+5.9=4.1+____+8.03

(4.16+4.01)+5.99=____+(____+____)

15.47-3.3-6.7=____〇(____〇____)

8.13+1.8+7.26.71-2.4-2.6

5.12-1.4+2.880.3+0.83+0.17+28.7

1.4+2.6+8.89.51-0.67-3.33

13+1.1+5.4+817.65+5.14+2.86

2.94+9.02+3.061.18+7.2+4.82+2.8

5.2+2.07+6.93+1.86.47+6.47-2.47

5.9+1.35+4.1=5.9+____+1.35

(2.56+2.93)+5.07=____+(____+____)

30.46-6.5-3.5=____〇(____〇____)

8.53+1.3+7.79.55-2.6-3.4

5.93-1.2+2.0713.3+0.48+0.52+8.7

2.7+7.4+3.27.28-3.72-0.28

86+5.5+3.6+491.75+1.93+6.07

1.84+7.35+5.165.87+7.4+0.13+2.6

5.9+0.92+4.08+1.18.22+2.97-5.22

8.8+6.54+1.2=8.8+____+6.54

(3.13+3.43)+3.57=____+(____+____)

46.54-8.8-1.2=____〇(____〇____)

7.79+2.5+4.58.84-3.3-2.7

6.34-1.2+3.6618.6+0.96+0.04+9.4

6.9+6.5+4.28.86-0.36-4.64

62+5.5+5.2+980.68+3.39+2.61

4.17+8.32+3.832.01+0.3+7.99+9.7

0.7+4.17+4.83+8.36.74+8.46-4.74

4.8+5.73+5.2=4.8+____+5.73

(4.46+3.22)+4.78=____+(____+____)

38.52-3.2-6.8=____〇(____〇____)

4.08+3.3+2.77.04-1.8-3.2

4.09-1.1+4.916.6+0.93+0.07+15.4

9.4+9.4+4.77.97-1.82-5.18

34+2.4+5.1+913.76+4.34+3.66

5.88+3.57+1.120.75+8.1+6.25+1.9

0.6+2.46+5.54+6.46.48+9.69-5.48

6.9+9.32+3.1=6.9+____+9.32

(8.78+2.13)+4.87=____+(____+____)

15.23-5.6-4.4=____〇(____〇____)

7.61+1.2+8.88.93-2.8-2.2

5.81-1.4+4.190.6+0.34+0.66+28.4

7.7+3.7+7.67.12-2.31-4.69

21+6.2+1.9+256.32+2.29+5.71

4.16+8.02+4.844.51+6.7+2.49+3.3

4.7+1.34+3.66+4.39.24+6.04-5.24

1.7+4.45+8.3=1.7+____+4.45

(7.99+3.07)+2.93=____+(____+____)

27.82-5.2-4.8=____〇(____〇____)

8.04+3.4+2.67.82-3.7-0.3

5.94-3.1+1.067.4+0.31+0.69+15.6

4.2+1.3+4.88.82-0.98-5.02

34+9.8+2.3+262.56+2.17+3.83

2.77+8.83+6.230.14+1.6+6.86+8.4

5.5+1.09+3.91+0.58.77+7.84-7.77

5.5+9.22+4.5=5.5+____+9.22

(2.99+3.74)+2.26=____+(____+____)

30.46-7.5-2.5=____〇(____〇____)

2.78+3.9+6.19.19-2.3-2.7

4.34-1.1+4.660.3+0.42+0.58+24.7

9.8+8.3+8.19.23-3.11-2.89

87+2.4+5.8+879.83+0.19+9.81

1.84+0.34+4.164.81+8.6+3.19+1.4

5.2+1.77+3.23+0.89.69+5.25-7.69

2.2+5.64+7.8=2.2+____+5.64

(9.94+4.21)+2.79=____+(____+____)

17.26-5.6-4.4=____〇(____〇____)

5.15+4.1+2.99.15-2.5-3.5

5.91-1.9+4.095.1+0.82+0.18+23.9

1.3+8.8+6.68.45-0.42-5.58

69+6.1+9.4+267.38+3.18+3.82

5.11+1.39+2.891.95+2.9+4.05+7.1

1.3+0.04+8.96+5.78.63+3.03-7.63

4.1+2.22+5.9=4.1+____+2.22

(4.01+4.89)+4.11=____+(____+____)

37.71-4.7-5.3=____〇(____〇____)

9.45+2.4+4.66.37-2.8-3.2

6.84-2.3+0.165.4+0.01+0.99+17.6

1.9+7.3+4.39.53-1.86-5.14

15+3.1+7.2+216.61+5.47+0.53

4.28+9.36+3.720.94+8.6+7.06+1.4

0.1+2.69+3.31+6.96.39+8.27-5.39

8.3+2.83+1.7=8.3+____+2.83

(8.52+2.65)+6.35=____+(____+____)

47.26-1.7-8.3=____〇(____〇____)

2.15+4.4+2.66.67-1.4-4.6

6.35-3.4+2.6514.8+0.35+0.65+6.2

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