人教版四年级数学下册小数加减法简便计算专项练习题122Word下载.docx

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人教版四年级数学下册小数加减法简便计算专项练习题122Word下载.docx

6.93+3.9+2.17.88-1.4-4.6

6.04-1.2+3.969.6+0.41+0.59+15.4

1.7+7.1+4.18.25-1.08-2.92

28+5.7+5.8+963.48+5.33+3.67

4.55+9.61+5.452.13+8.9+6.87+1.1

0.6+1.64+8.36+7.49.64+6.65-8.64

2.6+4.48+7.4=2.6+____+4.48

(9.27+1.66)+8.34=____+(____+____)

24.48-5.8-4.2=____〇(____〇____)

2.83+1.6+6.49.91-2.8-1.2

6.83-1.7+3.1719.5+0.03+0.97+2.5

2.9+2.8+3.79.19-2.66-3.34

72+9.1+6.8+452.12+3.48+3.52

3.16+4.97+5.842.86+9.6+3.14+0.4

4.3+4.61+0.39+2.77.83+2.81-6.83

9.5+2.15+0.5=9.5+____+2.15

(8.99+2.79)+6.21=____+(____+____)

37.99-7.4-2.6=____〇(____〇____)

1.96+2.4+6.66.11-2.4-2.6

5.45-2.7+4.559.5+0.13+0.87+17.5

5.7+2.7+9.39.59-2.88-2.12

77+9.8+9.7+450.46+0.99+5.01

5.62+1.38+3.382.09+8.5+7.91+1.5

4.4+1.17+5.83+1.66.25+4.59-5.25

1.7+5.11+8.3=1.7+____+5.11

(3.37+4.23)+1.77=____+(____+____)

19.57-4.9-5.1=____〇(____〇____)

3.69+5.2+4.89.48-3.5-0.5

4.46-3.2+5.549.7+0.43+0.57+14.3

4.4+3.5+1.27.88-1.85-3.15

88+5.9+3.9+818.69+4.94+5.06

3.89+5.19+3.111.33+8.6+6.67+1.4

4.1+3.33+6.67+3.97.72+2.25-4.72

7.2+7.64+2.8=7.2+____+7.64

(4.24+3.68)+4.32=____+(____+____)

25.41-6.1-3.9=____〇(____〇____)

8.47+3.2+6.89.87-3.2-2.8

5.93-2.3+4.0718.2+0.96+0.04+9.8

1.4+8.5+2.37.83-1.07-5.93

77+1.6+6.6+536.88+2.38+7.62

4.67+4.63+4.330.62+6.7+8.38+3.3

5.7+1.84+5.16+0.38.09+9.82-3.09

3.8+6.88+6.2=3.8+____+6.88

(8.25+4.35)+3.65=____+(____+____)

12.47-3.1-6.9=____〇(____〇____)

9.23+5.2+4.88.65-1.1-3.9

4.33-1.1+3.6719.6+0.09+0.91+1.4

4.3+1.8+2.97.92-2.64-2.36

84+8.9+2.2+696.99+0.34+5.66

0.37+3.97+5.631.13+4.9+8.87+5.1

5.7+4.44+4.56+4.39.92+4.25-6.92

4.7+7.33+5.3=4.7+____+7.33

(5.13+4.15)+5.85=____+(____+____)

39.06-2.7-7.3=____〇(____〇____)

2.91+5.6+4.46.86-3.3-2.7

5.41-1.2+4.599.9+0.75+0.25+15.1

6.4+3.4+6.19.31-1.23-5.77

98+2.4+7.1+277.26+4.48+5.52

4.74+6.85+4.260.79+4.3+6.21+5.7

1.2+1.93+6.07+7.86.77+8.65-2.77

4.7+3.99+5.3=4.7+____+3.99

(1.08+1.69)+4.31=____+(____+____)

19.59-7.8-2.2=____〇(____〇____)

6.85+4.3+1.77.96-2.4-3.6

6.46-1.3+0.549.2+0.09+0.91+19.8

6.2+8.2+6.79.87-3.13-0.87

43+5.9+7.7+877.83+2.11+3.89

3.16+4.59+3.843.77+9.8+2.23+0.2

4.4+3.85+2.15+4.69.57+6.65-8.57

7.7+5.34+2.3=7.7+____+5.34

(1.66+3.92)+3.08=____+(____+____)

40.47-2.8-7.2=____〇(____〇____)

7.66+1.2+8.86.58-3.7-0.3

5.37-3.6+2.6314.9+0.21+0.79+7.1

7.6+4.1+7.47.21-2.45-3.55

24+1.6+7.9+737.19+0.95+9.05

3.08+1.74+3.923.27+7.5+5.73+2.5

2.5+0.79+8.21+4.57.24+3.13-2.24

2.4+5.69+7.6=2.4+____+5.69

(6.98+4.76)+3.24=____+(____+____)

22.98-6.6-3.4=____〇(____〇____)

3.15+2.6+5.47.42-1.7-2.3

5.56-1.7+3.4413.9+0.18+0.82+8.1

2.3+1.1+7.88.23-2.43-4.57

17+6.1+7.3+781.92+1.25+8.75

0.67+5.16+9.330.39+6.2+6.61+3.8

4.1+2.55+2.45+2.96.65+0.16-1.65

4.6+4.32+5.4=4.6+____+4.32

(9.11+1.04)+8.96=____+(____+____)

25.72-4.8-5.2=____〇(____〇____)

3.37+2.5+3.56.67-1.4-3.6

6.35-2.3+3.651.9+0.36+0.64+26.1

4.9+8.3+9.38.66-0.97-4.03

31+5.2+3.3+999.53+1.14+8.86

0.32+8.62+7.680.86+9.7+6.14+0.3

3.7+2.19+5.81+4.38.05+0.74-4.05

6.1+8.56+3.9=6.1+____+8.56

(2.03+4.48)+1.52=____+(____+____)

43.24-7.8-2.2=____〇(____〇____)

5.19+5.7+4.38.28-3.6-0.4

4.07-1.6+3.9315.3+0.52+0.48+11.7

4.9+8.2+6.68.28-2.42-4.58

53+9.8+2.4+536.92+0.06+9.94

2.88+0.67+6.123.42+1.3+4.58+8.7

0.4+4.47+4.53+9.68.11+3.43-7.11

1.8+5.26+8.2=1.8+____+5.26

(1.88+4.16)+5.84=____+(____+____)

27.95-8.4-1.6=____〇(____〇____)

3.98+4.2+4.87.07-2.7-2.3

5.79-3.7+3.218.1+0.88+0.12+14.9

5.7+8.3+9.97.48-0.34-3.66

69+3.4+9.9+486.88+3.99+6.01

3.19+1.53+6.814.64+3.7+1.36+6.3

1.3+0.02+5.98+8.79.54+2.26-7.54

6.2+6.34+3.8=6.2+____+6.34

(8.88+3.39)+5.61=____+(____+____)

44.19-6.3-3.7=____〇(____〇____)

7.39+5.1+2.99.44-1.8-4.2

5.86-3.2+3.144.4+0.39+0.61+16.6

2.7+6.8+6.67.29-0.49-6.51

97+8.9+1.4+838.01+3.76+6.24

5.74+0.85+4.264.51+6.8+3.49+3.2

0.8+3.89+1.11+7.27.96+6.28-2.96

9.3+6.52+0.7=9.3+____+6.52

(3.44+3.08)+6.92=____+(____+____)

11.09-2.7-7.3=____〇(____〇____)

7.97+3.2+2.86.65-1.4-2.6

6.61-2.8+3.395.4+0.28+0.72+19.6

7.1+4.5+1.27.41-3.29-3.71

67+2.7+5.1+421.76+5.36+3.64

1.27+0.53+6.730.37+8.3+8.63+1.7

3.4+3.79+3.21+2.66.79+9.48-4.79

2.1+3.88+7.9=2.1+____+3.88

(1.21+1.04)+4.96=____+(____+____)

41.46-8.1-1.9=____〇(____〇____)

9.12+1.6+5.49.81-3.7-2.3

6.32-1.5+2.681.8+0.96+0.04+23.2

7.7+9.5+1.27.92-0.12-3.88

37+2.7+3.7+360.71+4.41+3.59

3.28+0.99+4.725.92+0.8+3.08+9.2

5.6+1.62+5.38+1.49.96+0.26-5.96

7.9+9.22+2.1=7.9+____+9.22

(5.18+2.83)+3.17=____+(____+____)

36.93-5.9-4.1=____〇(____〇____)

1.83+3.1+6.99.07-1.5-3.5

4.46-2.8+3.5416.9+0.41+0.59+12.1

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