人教版四年级数学下册小数加减法简便计算专项练习题45Word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45Word格式文档下载.docx

2.16+3.5+3.58.36-3.9-1.1

4.31-1.3+5.6911.1+0.18+0.82+17.9

7.6+2.7+5.98.21-2.75-4.25

73+5.1+2.6+275.33+1.71+7.29

2.89+2.81+6.113.33+9.2+6.67+0.8

1.5+4.72+3.28+4.57.35+9.35-3.35

5.3+8.56+4.7=5.3+____+8.56

(3.95+4.26)+3.74=____+(____+____)

21.86-8.4-1.6=____〇(____〇____)

3.31+2.2+7.89.05-3.4-0.6

5.08-3.1+2.927.3+0.65+0.35+17.7

5.2+2.3+1.88.74-3.83-0.17

25+3.7+1.5+170.78+4.94+2.06

1.94+9.75+6.061.25+2.3+7.75+7.7

5.1+0.73+4.27+4.98.83+9.33-6.83

8.2+5.43+1.8=8.2+____+5.43

(5.75+1.13)+5.87=____+(____+____)

28.47-1.8-8.2=____〇(____〇____)

4.13+3.8+2.27.56-3.5-0.5

6.16-2.6+2.843.2+0.44+0.56+19.8

4.7+1.8+6.19.79-0.89-4.11

53+6.2+9.8+981.41+3.89+4.11

4.97+7.36+3.034.09+3.2+1.91+6.8

5.9+0.96+8.04+0.17.01+6.97-2.01

2.8+7.69+7.2=2.8+____+7.69

(5.18+2.72)+4.28=____+(____+____)

15.08-1.5-8.5=____〇(____〇____)

5.55+2.9+5.18.81-1.3-3.7

4.58-3.5+3.4219.1+0.36+0.64+6.9

5.3+3.4+3.38.98-2.13-4.87

33+3.8+7.5+348.13+3.29+5.71

0.13+8.58+6.874.16+9.2+4.84+0.8

5.2+0.86+9.14+3.88.77+9.08-5.77

7.5+2.55+2.5=7.5+____+2.55

(7.15+1.98)+7.02=____+(____+____)

35.79-3.7-6.3=____〇(____〇____)

7.63+4.2+4.87.18-2.1-1.9

6.54-3.9+0.4619.4+0.32+0.68+8.6

8.2+2.9+1.47.02-1.71-4.29

86+8.2+8.3+784.51+5.75+3.25

3.83+6.08+6.170.01+2.5+9.99+7.5

1.7+0.39+5.61+5.39.79+6.33-7.79

1.3+7.58+8.7=1.3+____+7.58

(2.72+1.75)+6.25=____+(____+____)

34.53-5.2-4.8=____〇(____〇____)

8.21+1.9+8.19.92-3.3-2.7

5.57-3.8+2.436.7+0.79+0.21+14.3

7.8+9.1+3.49.37-0.65-5.35

56+4.4+9.3+399.99+4.94+3.06

1.52+8.05+4.485.13+7.3+0.87+2.7

5.7+0.25+4.75+0.37.16+0.95-3.16

9.3+1.23+0.7=9.3+____+1.23

(1.22+1.14)+4.86=____+(____+____)

21.84-7.3-2.7=____〇(____〇____)

1.98+3.8+6.27.24-2.1-1.9

6.69-2.4+1.317.5+0.01+0.99+13.5

7.8+2.3+1.68.26-2.37-3.63

98+5.2+3.4+490.52+0.68+7.32

0.61+2.87+9.391.72+1.1+6.28+8.9

5.7+0.28+6.72+2.37.12+4.38-3.12

4.5+3.68+5.5=4.5+____+3.68

(2.23+3.87)+5.13=____+(____+____)

35.93-2.3-7.7=____〇(____〇____)

2.58+3.2+2.87.81-3.8-2.2

5.33-1.3+3.670.3+0.42+0.58+25.7

8.5+6.3+8.69.36-1.41-2.59

15+1.4+6.7+621.98+3.75+5.25

0.91+6.59+7.095.11+4.9+3.89+5.1

3.2+4.66+4.34+2.86.01+3.43-1.01

3.8+7.57+6.2=3.8+____+7.57

(4.86+4.23)+5.77=____+(____+____)

15.31-8.1-1.9=____〇(____〇____)

9.84+2.5+5.58.12-1.6-3.4

6.42-1.5+1.589.3+0.56+0.44+11.7

7.9+3.8+2.47.55-2.17-2.83

92+4.3+3.9+772.85+5.15+1.85

4.25+6.75+2.754.44+8.6+4.56+1.4

0.4+4.66+2.34+6.67.35+2.88-6.35

5.3+8.78+4.7=5.3+____+8.78

(4.98+2.66)+7.34=____+(____+____)

32.58-5.7-4.3=____〇(____〇____)

7.83+1.2+7.87.72-1.4-4.6

4.95-1.1+2.0518.3+0.13+0.87+7.7

9.1+9.5+7.38.71-2.38-3.62

12+9.6+8.3+454.36+0.68+9.32

2.82+5.91+6.182.83+0.7+4.17+9.3

4.9+1.82+3.18+5.19.92+5.66-4.92

1.5+3.55+8.5=1.5+____+3.55

(6.29+2.99)+6.01=____+(____+____)

42.99-4.6-5.4=____〇(____〇____)

7.71+1.6+5.46.81-2.5-2.5

6.08-2.1+0.9214.3+0.26+0.74+9.7

1.6+4.3+4.79.67-2.29-1.71

75+2.6+3.9+185.75+1.39+8.61

5.95+8.28+3.052.52+5.5+5.48+4.5

3.7+1.73+7.27+3.36.06+0.68-2.06

3.3+6.61+6.7=3.3+____+6.61

(2.11+3.07)+2.93=____+(____+____)

34.17-7.5-2.5=____〇(____〇____)

6.29+3.6+6.48.65-1.4-4.6

4.12-3.4+3.8816.1+0.55+0.45+10.9

7.2+7.4+3.38.53-0.29-4.71

43+9.4+4.3+312.03+1.66+5.34

4.65+8.85+3.355.66+5.3+4.34+4.7

2.4+3.24+1.76+3.66.46+3.53-3.46

3.7+9.58+6.3=3.7+____+9.58

(3.22+3.12)+2.88=____+(____+____)

25.19-7.3-2.7=____〇(____〇____)

2.85+2.4+5.66.82-2.8-1.2

4.73-1.7+4.2711.3+0.15+0.85+10.7

3.2+8.1+4.38.12-1.16-2.84

31+3.7+5.9+120.34+5.28+4.72

2.03+2.72+6.971.46+8.9+5.54+1.1

2.7+1.64+4.36+6.36.01+9.03-1.01

2.6+9.05+7.4=2.6+____+9.05

(1.37+1.28)+7.72=____+(____+____)

33.76-1.3-8.7=____〇(____〇____)

3.18+3.8+5.27.35-3.3-2.7

5.65-1.2+3.356.4+0.29+0.71+18.6

5.4+9.4+8.68.42-0.23-3.77

48+3.8+3.3+291.37+1.56+6.44

2.79+3.63+7.210.65+9.9+7.35+0.1

3.1+3.48+2.52+3.96.79+9.56-5.79

3.2+2.03+6.8=3.2+____+2.03

(9.11+2.82)+7.18=____+(____+____)

24.07-4.3-5.7=____〇(____〇____)

2.01+4.9+1.18.99-1.7-2.3

6.86-2.1+3.1410.7+0.93+0.07+19.3

1.9+1.2+6.28.46-3.39-3.61

59+5.8+6.4+549.07+2.42+7.58

2.74+6.46+3.262.69+6.3+7.31+3.7

0.2+2.08+2.92+5.89.55+7.53-7.55

7.9+7.33+2.1=7.9+____+7.33

(1.25+3.41)+2.59=____+(____+____)

32.98-3.4-6.6=____〇(____〇____)

4.12+1.6+5.46.44-1.5-3.5

5.73-2.8+3.2710.6+0.23+0.77+18.4

6.5+1.9+4.59.64-1.77-4.23

89+5.5+6.4+655.35+0.41+7.59

1.03+1.31+8.974.13+3.8+5.87+6.2

1.5+3.51+3.49+4.56.46+9.21-2.46

6.6+2.65+3.4=6.6+____+2.65

(8.93+2.48)+7.52=____+(____+____)

44.38-5.9-4.1=____〇(____〇____)

8.95+2.2+3.86.05-2.3-3.7

6.24-3.8+3.7618.6+0.49+0.51+1.4

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