人教版四年级数学下册小数加减法简便计算专项练习题6Word格式文档下载.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6Word格式文档下载.docx

4.89+2.8+3.27.03-1.4-4.6

5.04-2.4+4.969.7+0.03+0.97+13.3

4.5+2.3+2.57.66-3.41-1.59

51+7.9+3.9+932.47+3.38+6.62

1.22+8.92+4.781.81+0.9+7.19+9.1

2.9+4.14+0.86+6.16.41+5.83-5.41

8.3+8.58+1.7=8.3+____+8.58

(3.38+4.57)+4.43=____+(____+____)

36.91-1.1-8.9=____〇(____〇____)

4.63+1.9+6.19.45-2.6-2.4

4.61-3.7+5.393.3+0.96+0.04+16.7

6.7+7.1+2.67.76-3.38-1.62

99+9.1+8.5+254.29+3.54+5.46

4.67+6.63+3.330.03+8.2+7.97+1.8

2.4+3.56+4.44+7.66.76+3.69-3.76

8.7+4.09+1.3=8.7+____+4.09

(5.82+1.18)+5.82=____+(____+____)

16.84-7.2-2.8=____〇(____〇____)

6.21+4.1+4.97.03-2.5-1.5

4.78-3.5+3.2216.3+0.23+0.77+12.7

5.7+9.3+5.37.14-1.77-2.23

63+4.2+9.8+185.24+5.19+2.81

4.19+6.07+4.813.02+7.5+4.98+2.5

3.4+3.93+5.07+6.69.44+1.46-8.44

3.6+1.79+6.4=3.6+____+1.79

(6.42+4.49)+1.51=____+(____+____)

35.32-2.4-7.6=____〇(____〇____)

9.74+2.1+5.98.45-2.8-1.2

6.49-3.5+0.5111.9+0.95+0.05+9.1

4.5+9.4+2.28.11-2.83-4.17

61+1.6+6.2+394.01+5.44+2.56

3.37+9.71+6.633.13+5.5+3.87+4.5

5.5+3.34+5.66+0.57.45+4.16-3.45

8.3+7.85+1.7=8.3+____+7.85

(8.67+4.08)+4.92=____+(____+____)

47.47-3.7-6.3=____〇(____〇____)

7.36+1.9+5.17.32-3.9-0.1

6.03-3.9+2.978.5+0.91+0.09+21.5

9.6+5.6+4.98.63-0.99-5.01

97+7.9+7.9+615.89+4.92+4.08

4.86+2.34+1.145.39+9.2+4.61+0.8

2.4+0.01+5.99+4.66.98+8.97-5.98

8.6+8.29+1.4=8.6+____+8.29

(9.21+3.55)+3.45=____+(____+____)

11.77-7.2-2.8=____〇(____〇____)

4.87+1.5+5.57.92-3.1-0.9

5.97-2.7+3.0311.2+0.96+0.04+10.8

5.1+1.3+5.18.91-1.87-3.13

72+1.2+3.3+636.04+1.41+7.59

0.67+8.71+9.330.93+6.4+6.07+3.6

1.5+3.09+6.91+8.57.04+6.23-2.04

6.8+2.95+3.2=6.8+____+2.95

(6.95+1.01)+6.99=____+(____+____)

13.62-8.3-1.7=____〇(____〇____)

7.66+3.8+6.26.53-1.3-3.7

6.18-3.7+1.829.1+0.08+0.92+19.9

8.7+2.9+4.39.98-0.64-6.36

15+7.3+1.3+420.34+3.43+4.57

5.55+8.62+1.454.21+7.9+1.79+2.1

3.1+3.22+4.78+2.98.82+5.03-5.82

2.4+4.54+7.6=2.4+____+4.54

(2.77+1.95)+8.05=____+(____+____)

23.32-6.9-3.1=____〇(____〇____)

8.79+5.7+3.39.51-1.7-4.3

5.52-2.9+1.483.1+0.54+0.46+26.9

7.6+7.7+6.87.23-3.16-3.84

64+9.5+6.7+364.98+0.98+5.02

4.36+1.66+2.643.91+3.9+5.09+6.1

1.3+3.15+2.85+8.76.68+8.42-5.68

4.7+8.68+5.3=4.7+____+8.68

(5.53+3.22)+2.78=____+(____+____)

20.23-5.7-4.3=____〇(____〇____)

7.87+3.4+4.67.83-1.9-2.1

4.84-3.2+4.1617.9+0.93+0.07+8.1

4.6+5.7+8.48.44-0.54-3.46

19+7.9+5.3+790.89+3.44+6.56

0.86+3.86+8.144.09+8.9+4.91+1.1

0.3+2.97+6.03+7.76.11+6.94-2.11

9.6+7.11+0.4=9.6+____+7.11

(3.55+2.94)+3.06=____+(____+____)

32.58-8.9-1.1=____〇(____〇____)

5.96+5.6+0.49.84-3.1-0.9

4.36-3.7+5.6418.4+0.09+0.91+8.6

2.9+5.9+7.77.22-1.92-3.08

35+4.3+5.4+472.17+3.94+4.06

4.08+9.25+1.925.67+5.6+2.33+4.4

1.9+3.34+4.66+8.16.74+1.93-1.74

8.3+4.21+1.7=8.3+____+4.21

(9.85+3.67)+6.33=____+(____+____)

31.51-2.4-7.6=____〇(____〇____)

2.57+1.1+7.99.73-1.1-2.9

5.27-1.7+4.7311.8+0.85+0.15+10.2

5.6+9.4+9.19.23-1.17-5.83

37+5.8+5.6+956.44+1.13+4.87

4.58+3.24+2.424.83+1.9+2.17+8.1

5.6+1.22+5.78+1.47.91+1.32-3.91

4.3+5.23+5.7=4.3+____+5.23

(5.87+4.54)+1.46=____+(____+____)

10.13-8.2-1.8=____〇(____〇____)

5.73+4.6+1.46.84-2.6-1.4

5.04-1.2+3.9615.5+0.93+0.07+9.5

1.6+3.8+9.99.51-2.57-1.43

51+4.4+8.5+570.16+4.95+2.05

3.52+9.56+3.484.86+7.7+3.14+2.3

2.8+3.15+5.85+3.29.42+2.94-6.42

6.9+7.44+3.1=6.9+____+7.44

(9.64+4.54)+3.46=____+(____+____)

41.64-2.5-7.5=____〇(____〇____)

5.08+1.2+8.86.06-1.8-2.2

4.34-2.6+4.669.2+0.33+0.67+15.8

9.8+9.8+7.18.61-0.19-4.81

44+6.5+3.4+554.59+5.82+4.18

5.15+7.97+1.853.76+8.7+6.24+1.3

1.9+0.63+6.37+8.19.77+8.32-6.77

7.2+4.85+2.8=7.2+____+4.85

(1.37+3.11)+5.89=____+(____+____)

14.78-2.5-7.5=____〇(____〇____)

1.47+1.9+6.18.04-2.3-2.7

6.68-2.9+2.3219.7+0.26+0.74+9.3

8.5+1.2+7.28.46-1.64-3.36

79+7.9+7.8+924.71+5.94+1.06

0.28+8.66+7.722.59+0.8+7.41+9.2

1.3+2.15+5.85+5.78.02+0.67-4.02

4.9+4.15+5.1=4.9+____+4.15

(3.56+3.07)+5.93=____+(____+____)

46.58-4.6-5.4=____〇(____〇____)

8.36+4.3+1.79.08-2.5-2.5

4.24-2.5+5.7619.9+0.95+0.05+1.1

4.5+7.5+6.49.44-0.72-6.28

73+1.8+4.1+485.18+4.52+4.48

1.27+5.42+4.734.54+7.5+4.46+2.5

2.3+1.55+4.45+5.79.58+8.55-6.58

3.3+8.94+6.7=3.3+____+8.94

(1.01+2.93)+6.07=____+(____+____)

30.81-7.9-2.1=____〇(____〇____)

1.81+4.5+5.56.16-3.2-0.8

4.05-2.1+5.9518.7+0.72+0.28+8.3

5.2+7.1+2.87.77-0.84-5.16

73+6.5+8.4+680.85+4.71+4.29

1.57+8.36+7.435.69+4.2+3.31+5.8

2.6+0.85+8.15+6.46.27+4.65-2.27

9.7+5.12+0.3=9.7+____+5.12

(1.68+1.96)+5.04=____+(____+____)

43.47-8.6-1.4=____〇(____〇____)

6.15+1.2+4.86.51-1.1-4.9

4.59-1.5+5.410.1+0.15+0.85+20.9

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