人教版四年级数学下册小数混合运算综合练习题14文档格式.docx

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人教版四年级数学下册小数混合运算综合练习题14文档格式.docx

2.1-0.4=6.4+0.2=0.85-0.23=4.9-0.5=

7.9-0.8=7.1+1.7=0.73+0.03=5.4-0.3=

7.4+0.9=6.8-3.5=0.75-0.13=8.5-0.2=

2.5+0.5=6.1-4.1=0.84-0.41=6-0.1=

0.69-0.42+4.25.7-0.48-3.5237.5+21.6+15.2

81.92+26.05+86.0763.34+10.26+54.499.31-5.81-2.4

30-(8.48+0.86)67.7-(11.4-4.9)9.27+6.66-1.78

7.1-0.4=6.1+3.9=0.9-0.15=8.3-0.7=

5.8-0.8=6+2=0.69-0.23=7.3-0.4=

1.6+0.4=6.5-0.4=0.62+0.1=5.2+0.4=

9+0.8=9-0.5=0.85-0.2=7+0.7=

8.7-0.7=6.7-1.6=0.68-0.07=4.1-0.2=

2.4-0.9=6.9-0.7=0.61-0.38=3.3-0.8=

4.3+0.8=6-4.5=0.72-0.27=6.4+0.6=

7.3-0.9=8.3-3.6=0.67-0.24=7+0.3=

0.9+0.17+7.26.7-0.52-1.4850-15.5+21.4

64.96-46.42+23.5769.73-35+16.359.7+4.14-1.21

40-(7.32-0.62)95.4+(17.2+1.5)6.09+1.85+1.8

5.9-0.7=6.9-4.3=0.7+0.17=4+0.8=

8.2+0.2=6.3-4.9=0.77-0.01=7.8-0.8=

5.4+0.2=9-2.4=0.65-0.34=7.9+0.1=

4.4-0.7=8.3-4.2=0.8-0.07=2.5+0.3=

8.1+0.5=8+1.8=0.72+0.49=8.8+0.2=

8.4-0.2=6.6+4.2=0.79-0.17=4.7+0.7=

4.7-0.7=8.8+3=0.76-0.21=4.9-0.5=

1.6+0.7=6.1+0.3=0.65-0.08=8.1+0.4=

0.74-0.38+2.25-0.9-3.184.7+17.7-19.4

63.72+22.32+99.7665.03-45.96+30.814.73+2.18-1.57

20-(2.69+0.54)94.8+(16.2+7)8.49-4.88+1.57

4.9-0.3=8.7-1.2=0.89-0.1=7-0.6=

1.8+0.3=7.1-0.1=0.85+0.25=5-0.1=

6.5+0.9=6.7+1.9=0.62-0.08=1.6-0.8=

7.4+0.6=8.8-3.7=0.7+0.47=6.1-0.2=

8.2+0.1=8.8+1.8=0.84+0.21=7.6+0.7=

5.4+0.7=6.5-3.6=0.75+0.24=7-0.3=

5.8-0.6=8.7+4.9=0.62+0.17=5.2-0.2=

8.6-0.4=9+4.8=0.61+0.36=8.4+0.5=

0.68-0.17+1.65.4-0.51-2.4943.3+28.1-12.9

89.21-34.79+80.8362.06+15.33+56.666.11-2.5-2.25

30-(7.41-0.68)91-(14.5-9.9)4.83+3.25+1.19

7.5-0.6=7.9+4.2=0.63+0.46=5-0.6=

3.3+0.7=7.3+0.3=0.64-0.28=5-0.1=

6+0.7=6.8+2.8=0.63-0.32=3.8-0.2=

7.9-0.9=6.6+1.8=0.62+0.45=5.5-0.2=

4.1+0.7=8+0.4=0.78+0.29=5.5+0.9=

6.7+0.1=8.8+4.4=0.77+0.27=1.8-0.4=

5.4-0.8=7.2+2.1=0.6-0.32=6.5+0.8=

6.8-0.5=8-1.4=0.75+0.1=4.6+0.6=

0.62-0.45+0.18.6-0.58-0.4295.5+48.2-46.6

87.67+36.29+59.2261.21+36.32+11.56.82+4.81-1.27

70-(5.3+0.23)70.2-(17.5-5.1)7.31-2.41+4.58

7.4+0.3=7.9+4.8=0.84-0.02=8.1+0.7=

7.2-0.9=8.3-2=0.81-0.45=7.4-0.6=

5.4+0.8=8.8+3.7=0.88+0.49=4.8-0.2=

1.8-0.6=8.7+2.3=0.64+0.14=5.8-0.4=

4.5-0.8=6.5-3=0.68-0.26=1.7-0.5=

7.3+0.2=6.1+1.7=0.65+0.01=6.5-0.8=

7.9+0.1=8.4-3.6=0.7+0.44=8.6+0.4=

8.9-0.1=8.2-0.2=0.6+0.43=6.1-0.5=

0.63-0.4+37.3-0.74-3.2640.9+18.3+18.1

89.82-17.36+62.8482.14-33+87.644.09+1.98-1.44

20-(4.02+0.33)98.4+(18.3-7.3)4.59-1.26+1.6

4+0.5=7.1+1=0.6-0.48=5.9-0.8=

7.7+0.8=6.3+3.7=0.74+0.27=2.1-0.8=

8.8-0.6=6.6-3.6=0.77-0.06=8.4-0.9=

8.9-0.6=8+0.7=0.72-0.37=9+0.8=

2.4+0.9=9-2.7=0.63+0.1=7+0.3=

6+0.5=8.4+1.6=0.66-0.3=8.9-0.4=

7.5-0.2=7.5-4.1=0.67-0.04=2+0.8=

7.4-0.1=7.7+0.3=0.73-0.36=5.5+0.6=

0.67-0.15+1.78.8-0.47-1.5341.5-14+12.2

81.39+15.41+75.5568.32+40.9+42.319.65+7.89+1.17

50-(5.31+0.63)64.6-(24.7-3.5)4.46-1.37-1.84

4-0.5=8.4+2.4=0.76+0.46=7+0.5=

1.2+0.6=6.5-4.1=0.9+0.33=1.7+0.9=

1.5-0.3=7.2+1.3=0.71+0.27=8.4-0.7=

1.6-0.9=7.2+1.4=0.84-0.12=1.9+0.7=

3.8-0.8=6.9-4.3=0.81-0.35=4.7+0.8=

4.5+0.9=8.7+1.4=0.77-0.42=3.1-0.8=

8.9-0.1=7.1-2.7=0.63-0.41=8.5+0.6=

5.1-0.6=7.2-4.9=0.68-0.18=4.1+0.4=

0.85+0.01+2.46.7-0.63-4.3755.7+13.5-32.4

67.66+33.75+21.0564.69-28.63+79.357.69-2.65-3.64

90-(9.55-0.55)79.8+(21.8+1.5)7.41-2.35-4.28

6.8+0.2=8.8+3.3=0.66-0.37=3.9-0.8=

5.5+0.7=7.9-1.8=0.72+0.15=2.7-0.3=

1.8-0.4=6.1-4.1=0.8+0.15=5.7-0.9=

6.8-0.9=7.8+4.7=0.65+0.17=1.8+0.7=

2.2-0.9=7.2+1.4=0.65+0.39=3.6+0.6=

4.7-0.8=7-1.5=0.83-0.31=3.8-0.4=

8.5-0.8=7.1-2=0.64+0.33=1.8+0.1=

1.2+0.6=8.3+3.6=0.66-0.45=6.1+0.8=

0.87-0.44+9.85.8-0.47-4.5335.7-12.4+12

74.57-39.78+94.2868.62-25.66+64.35.69+3.57-1.73

20-(9.21+0.24)91.6-(10.6+1.1)3.74+1.6+1.13

5.7-0.1=6.2-0.1=0.9-0.38=1.8-0.9=

9-0.5=8.4+3.8=0.62+0.43=6.6+0.9=

2.9-0.4=7.3-1.3=0.73+0.09=8.4-0.4=

2.8-0.5=8.2+3.6=0.63+0.15=5.6-0.3=

3.4-0.9=6.7+1.5=0.83+0.07=5.2+0.4=

7.8+0.8=8.9-0.9=0.69-0.07=3.7+0.4=

2.5+0.6=6.4+3.1=0.66+0.37=3.1-0.6=

6.2+0.9=8+2.7=0.8-0.05=2.9+0.6=

0.88-0.3+1.97.6-0.63-3.3773.2-25.8+46.6

61.37+39.7+55.6181.91-31.49+29.238.68-6.08-1.4

80-(3.66-0.11)82+(26.5-6.7)8.85+1.74+5.54

8.8-0.5=8.5+4.4=0.74-0.19=8.8+0.2=

2.6-0.1=8.4-2.4=0.67-0.23=2.4+0.8=

3.2+0.9=6-3.8=0.84+0.09=7.8-0.5=

3.6+0.9=8.5+1.4=0.77+0.08=2+0.3=

2.7-0.2=7.8-3.2=0.76+0.1=6.7+0.7=

1.1+0.9=7-3.3=0.78+0.16=3+0.8=

1.6-0.9=6.1+0.2=0.64-0.48=7.7-0.5=

5.5+0.1=6.3-0.6=0.65-0.31=6.7-0.9=

0.83+0.11+1.45-0.69-0.3147.4-31.7+11

80.72+33.18+88.5673.24+23.98+30.297.68-5.75+1.48

20-(6.89+0.79)87.7-(19.8+5.1)5.63-3.24+1.07

2.1-0.8=8.4+3.6=0.77-0.36=1.6-0.7=

7.6+0.4=7.2-1.9=0.63-0.21=2.8+0.1=

3.6-0.5=8.1+2.9=0.78+0.28=7.4+0.9=

3+0.8=8.8-4.7=0.84-0.37=4.4+0.2=

5.7-0.5=7.4-4.1=0.9-0.06=5.3-0.8=

5.4+0.4=7.9-1.7=0.61-0.38=3.2+0.4=

6.9+0.2=6.3+4.5=0.88-0.33=5.1-0.8=

4.1+0.6=7.2-3.3=0.72-0.41=4.4+0.9=

0.73+0.47+9.75.1-0.56-0.4435.1-11.5-10.2

62.58+10.35+33.7478.34-37.1+22.914.71+3.16+1.18

80-(8.38-0.66)93.7-(25.5+8.3)5.45-3.63+1.17

6.2-0.9=6.6+4.1=0.84+0.28=1.6+0.5=

8.6+0.5=6.3-0.8=0.63+0.23=3.2-0.5=

5.5-0.1=8.5-3.5=0.87-0.01=3+0.2=

9+0.3=7.8+1.6=0.62+0.2=4+0.1=

3+0.3=7.9+3.1=0.68+0.4=1+0.2=

5.7+0.2=6.9+4.4=0.67-0.22=3.2-0.9=

6.1-0.7=8.7-1.4=0.85+0.2=4.8+0.5=

2.9+0.8=8.6-4.1=0.67-0.43=2.1+0.8=

0.62-0.15+5.47.8-0.45-0.5567+31.2-22.2

82.6+25.09+42.2873.15+19.64+74.459.58-4.54+3.2

20-(1.69+0.2)98.4-(28.1+2)5.8-4.03-1.16

7.5-0.1=8.2+0.2=0.77+0.23=6.3-0.3=

8.8-0.4=7.9+2.2=0.71-0.3=1.9+0.4=

4.1-0.6=7.7+4.8=0.81-0.06=1.5-0.7=

1.3+0.6=8.1+3.6=0.61-0.43=7.7-0.9=

4.7-0.7=7.6-4.6=0.78+0.27=7+0.7=

8.3+0.1=7.1+0.9=0.65+0.25=3.5+0.2=

5.6-0.5=6.6-1.8=0.61+0.21=5.8+0.3=

8.3+0.3=8.3+0.1=0.86+0.19=1.7-0.2=

0.64-0.09+8.37.8-0.21-0.7992.4+60.9-20.5

69.51+31.99+90.2478.58-39.71+11.389.23+4.49+3.41

80-(1.07-0.9)89.6-(15.7+2.7)9.78+2.89+2.07

1.7+0.2=6.9-4.6=0.66+0.17=1.5-0.2=

4.4-0.2=7.2+3.8=0.61+0.25=5.6-0.7=

7.3-0.7=7.3+1.4=0.76+0.08=1.8+0.4=

7.1-0.6=6.8+4.3=0.88-0.07=6.5+0.7=

3.6-0.7=7.1-4.6=0.61+0.12=6.3-0.8=

4.4+0.5=7.1+0.5=0.68+0.45=8.1-0.7=

6.8+0.4=8.4+1.4=0.74+0.07=9-0.2=

5.1-0.2=8+3.3=0.72+0.36=6.6-0.8=

0.79+0.18+9.97.3-0.71-4.2981.1-47.3+29.9

89.5-48.17+32.8561.33+37.64+55.599.03+5.71+2.06

70-(2.72+0.79)79.6-(15.7+8.4)5.98-2.86-2.69

6.3+0.2=8.8-0.5=0.79-0.02=5.7+0.9=

7.6-0.3=6.4-1.4=0.86-0.47=3.5+0.4=

3.5-0.5=8.3-2.9=0.79-0.37=6+0.5=

4.7-0.8=8.1+3.2=0.67-0.22=1.6-0.7=

6.8-0.4=6+4.8=0.89+0.3=4.3-0.3=

2.9-0.8=8.3-0.5=0.87+0.06=4.3+0.9=

3.4+0.4=6.9-3.2=0.6-0.38=8+0.7=

5.5-0.4=7.5+0.1=0.85-0.32=7.4-0.8=

0.63-0.03+1.79.5-0.8-4.286.3+34.8-46.3

83.82-11.37+79.1774.21-36.82+41.94.32-2.04-1.76

60-(4.57+0.36)76.5+(15.7+1.9)6-1.52-2.8

6+0.7=7.9+2.7=0.81-0.21=1.3+0.4=

1.6-0.1=6.2+2.1=0.83+0.22=3.2+0.5=

8.6+0.1=8.8+2.2=0.84+0.21=4.9-0.

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