人教版四年级数学下册小数加减法综合练习题139.docx

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人教版四年级数学下册小数加减法综合练习题139.docx

人教版四年级数学下册小数加减法综合练习题139

一、口算。

5-0.7=7+6.3=61.2-4=0.77+0.04=

7.1+0.1=7.5-3.7=9+5.2=0.92+0.04=

6+0.5=8+3.3=21.7-6=0.73+0.06=

2.6-0.6=9.3+3.2=8-5.5=0.88+0.2=

2.4-0.6=6.5+4.5=51.7-5=0.53-0.35=

二、笔算。

5.88+0.34=23.38+7.68=7.63-5.21=80.9+46.3=

7.26+1.73=52.02+8.88=5.79-0.7=38.72+7.07=

4.34+0.47=93.16-9.91=9.55+2.49=64.3-6.7=

9.65+1.05=76.49+2.29=8.85+0.91=44-1.13=

一、口算。

6.9+0.6=2.3+8.2=42.5-6=0.91+0.06=

2.1+0.7=6-1.9=6.9+1.4=0.6+0.37=

4.2-0.8=2.3+5.8=51.4-3=0.64-0.07=

8.5+0.4=8.2-4.8=6.9-4.8=0.6-0.1=

8.2+0.2=5+8=72.6+5=0.7-0.21=

二、笔算。

7.63+0.84=10.37+4.39=8.44-4.71=60.2-40.4=

8.95-3.73=65.12-7.78=4.76-0.15=59.84-6.96=

7.1+0.37=61.86+5.38=8.11+6.49=61.7-32.6=

9.21-4.15=64.03+9.64=1.34-0.83=72.81-6.91=

一、口算。

4.4-0.3=8.7+2.1=15.9-8=0.73+0.14=

7.8-0.8=8.4+1.3=8.9+1.8=0.66+0.08=

3.4-0.9=9.8+0.7=73.7-8=0.87+0.43=

8.4-0.7=5.2+1.3=8.9+2.3=0.61+0.18=

5.1-0.3=8.2+7.2=67.3+1=0.91-0.49=

二、笔算。

9.7+0.03=42.63+2.21=7.26+2.03=81.7-31.4=

7.83-1.65=18.87-7.32=5.63-0.77=15.47-9.08=

7.96-0.62=53.52+9.2=7.32-4.5=53.4+22.7=

8.19-3.09=11-9.8=1.29+0.83=44.74+2.49=

一、口算。

8+0.7=4.8+9.2=20.2+7=0.88-0.13=

4.8-0.4=8+4.6=8+2.2=0.92-0.3=

2.2+0.9=3.7+4.2=34.1+1=0.79+0.36=

6.3-0.1=5.2-1.2=9.5+3.1=0.76-0.05=

3.1-0.1=6.5+6.7=71.4+1=0.8-0.45=

二、笔算。

7.79+0.2=86+3.41=7.25-3.55=69.8-14.4=

7.99+6.84=31.35+1.08=7.26+0.52=68.74+1.71=

8.26-0.66=86.44+9.01=9.75+3.26=64.4-46.3=

8.41+2.01=47.21-2.4=1.35-0.64=38.03+7.25=

一、口算。

5.2-0.6=6.8+6.9=85.5-2=0.95+0.15=

8.9-0.4=9.8-0.8=7.2+2.7=0.56-0.06=

4-0.9=7.2+9.1=34.1-5=0.51-0.19=

1.3-0.8=6-3.4=6.5+2.4=0.83+0.38=

2.9+0.8=4.7+6.4=38.8+5=0.85+0.23=

二、笔算。

2.83+0.08=83.21+4.88=8.06-2.7=64.3-23.9=

7.48+1.89=98.34+4.23=8.74-0.17=65.29+7.01=

2.35-0.69=90.12+5.22=7.47-5.52=63.5+28.2=

9.5+3.11=76.38+9.33=5.86-0.11=46-2.31=

一、口算。

4.4+0.1=5.4+7.7=53.1+2=0.73-0.04=

5.6+0.2=8.3-0.5=8.2+1.6=0.76-0.3=

1.3-0.8=5.6+0.9=99.9-4=0.74-0.09=

7.2-0.4=5.5-1.9=7.8-4.3=0.62+0.4=

2.1+0.2=7.1+7.6=78.7+4=0.92+0.35=

二、笔算。

7.43+0.86=19.74+3.46=8.36+1.05=94.1+21.3=

7.7+5.64=96.13+7.44=3.3-0.26=55.76+7.38=

3.2+0.19=39.42+3.55=8.89+4.52=87.9-13=

9.01-5.05=19.74-9.56=1.49+0.96=64.01+9.88=

一、口算。

5.1-0.3=0.7+8.7=51.8+5=0.94+0.33=

1.7-0.2=7.2-3.4=6.6+0.6=0.94+0.47=

1.9+0.3=3.8+3.1=57.2-5=0.82+0.29=

2.2+0.5=8.7+3.6=7.7+5.7=0.87-0.03=

8.4+0.7=4.8+0.1=10.5+7=0.99+0.05=

二、笔算。

5.22+0.24=98.07-3.59=9.15+4.75=89.1-45.4=

7.69-3.51=60.9+2.68=7.36-0.06=16.61-8.17=

2.56+0.75=28.92-7.24=8.19-3.58=97.7+10.7=

8.84-4.86=27-1.5=7.32+0.38=42.49+3.04=

一、口算。

6.8+0.3=1.3+2.4=10.3-7=0.97+0.34=

5.3-0.5=8.7+3.7=6.6+5.6=0.8-0.42=

6.2-0.5=9+5.6=81.3+2=0.69+0.25=

7.9-0.2=9.1+4.5=8.9-2.7=0.76+0.13=

4.3-0.6=8.1+7.9=51.6-4=0.66-0.07=

二、笔算。

8.67-0.37=67.81+6.32=8.99-3.31=92.4-7.3=

9.36+6.72=80.09-6.35=6.52-0.16=75.2-1.11=

2.9-0.79=65.8+4.28=9.64-3.31=92.5-49.4=

8.4-2.45=67.36+1.72=3.64+0.7=52.56-8.27=

一、口算。

3.8-0.6=5+9=10.1+7=0.58+0.45=

3.4+0.1=9.5+1.5=6.7-2.8=0.6-0.09=

3.4+0.8=4.2+2.6=36.4-9=0.57-0.46=

3.1+0.5=6.3-4.4=8+5.1=0.87-0.38=

7.1+0.3=4.5+4.7=34.3+5=0.53-0.28=

二、笔算。

3.53+0.74=95.7+2.72=9.52-1.79=57.5-27.4=

8.78+2.51=62.3-1.94=2.92+0.23=85.55+8.95=

7.61+0.25=56.38+8.88=8.9+5.44=61.9-40.2=

8.36-1.83=58.27-9.76=7.75+0.32=30.71+7.83=

一、口算。

4.7+0.7=4.5+5.3=21.7+8=0.94-0.18=

4-0.8=6.7+4=7.6+5.2=0.83+0.33=

1.4-0.9=2+6.3=11.9+9=0.64-0.18=

6.4-0.3=8.3-1.2=8+5.9=0.69-0.36=

3.5+0.1=3.7+0.2=25.5-9=0.51+0.26=

二、笔算。

8.02-0.49=15.48-2.3=7.47+1.67=87.5+4.6=

8.65-1.44=88.61-2.33=8.26+0.25=93.99+7.54=

5.36-0.1=11.95+6.9=9.11-4.36=66.6-28=

7.08-4.68=35.44-9.38=9.83-0.14=39.28-2.27=

一、口算。

4.4-0.3=7.2+6.2=39.7-2=0.74+0.48=

1.9+0.2=6.2-2.7=8.9+1.4=0.82-0.34=

4.4-0.1=3.2+9.1=93.8+5=0.75-0.01=

2+0.3=8-0.4=8-0.9=0.54+0.43=

8.8-0.4=3.6+6.2=81.8-6=0.79+0.13=

二、笔算。

3.63-0.97=36.38-1.43=9.08+6.39=87.3+11.6=

7.43-4.24=18.21+7.22=1.88-0.91=41.41-2.74=

2.08+0.86=78.63-6.96=8.78-3.49=57.2-44.7=

8.11+1.34=68.99-5.66=4.13-0.54=44.7-5.22=

一、口算。

3.8+0.8=9.6+8.4=92.7-3=0.54+0.45=

4.9+0.6=5.1-2.6=7.9+5.8=0.81+0.22=

2.9+0.2=0.8+0.4=79.4-7=0.61+0.46=

3.6-0.7=9.3+0.9=9.3+1.1=0.6+0.44=

8.7-0.6=4.4+9.2=22.5-4=0.92+0.33=

二、笔算。

1.6-0.3=89.21-8.74=8.18+6.04=99+11=

8.49+3.34=59.29-2.19=7.23+0.94=90.61-1.12=

3.58+0.02=95.54+1.53=8.5+2.15=59.9-32.6=

9.98-4.3=99.88-8.99=2.91-0.61=11.22-9.75=

一、口算。

5.1-0.3=7.7+0.3=91.8-2=0.61-0.09=

3.7-0.7=9.3-1.2=8.9-5=0.63-0.15=

5.2+0.2=9.8+0.9=90.3-7=0.82+0.27=

4.4+0.6=9.6+0.4=8.3+1=0.66+0.43=

2.2+0.9=5.8+0.1=38.7+5=0.55+0.04=

二、笔算。

1.34+0.89=88.85+6.38=8.88+2.01=87.1+25.2=

9.52+1.51=51.9+2.52=7.78-0.81=44.93+5.41=

1.06+0.16=83.95-3.46=7.85-2.07=64.9+17.1=

8.59+6.33=42.11+9.88=9.1+0.64=66.53+4.09=

一、口算。

7.9-0.4=7.8+9.6=45.9-4=0.68+0.21=

4.6-0.4=8.7+0.8=7.2-1.9=0.81-0.49=

8.8+0.4=7.5+0.6=95.7+9=0.9+0.28=

8.6+0.4=6.2+0.8=7.4+0.8=0.8-0.23=

4.9-0.4=5.7+1.1=64.5-3=0.51+0.31=

二、笔算。

8.97-0.42=95.14-2.47=7.85-1.21=70.5+49.5=

9.24-5.9=65.8+6.02=7.29+0.15=55.63+7.26=

7.46-0.22=55.99-7.84=9.26+1.3=76.3-4.2=

9.19+1.72=26.31+2.13=1.91-0.67=96.65-5.66=

一、口算。

5.5-0.6=4.7+9.2=80.7+5=0.66+0.08=

4+0.4=5.2-4.8=6.9-1.9=0.62-0.39=

3.3+0.2=1.3+8.3=53.6+5=0.68+0.49=

2.2+0.2=6.2-1.4=9.4+2.3=0.59-0.26=

4.3+0.8=4.1+1.6=57.9+2=0.74-0.03=

二、笔算。

8.57-0.7=97.86+1.03=9.96+6.91=53.2+24=

7.44+5.32=76.22+4.36=4.57-0.92=80.11-6.42=

1.25+0.48=68.72-3.92=7.11+6.88=97.6-37=

7.23-1.14=77.17+5.96=5.17+0.45=86.46+9.59=

一、口算。

1.1-0.3=5.7+3.5=53.6+6=0.81-0.17=

1.4+0.2=7.3+2.1=6+4=0.97-0.06=

4.1-0.2=9.2+7.2=47.7+9=0.87+0.43=

1-0.3=9.6-2.9=9.7+2.6=0.84-0.4=

7.7-0.7=7.7+3=98.5+9=0.89+0.32=

二、笔算。

6.63-0.74=66.41-8.04=7.06-2=95.2-35.6=

8.18+1.73=26.15+8.23=4.86-0.11=93.39-7.22=

2.45+0.72=14.51-1.89=8.9+3.77=75.4-29.2=

7.87+3.14=54.53-8.33=2.11-0.05=15.17-2.44=

一、口算。

7.2+0.9=7.4+7.2=28.8+5=0.65-0.07=

5.4-0.6=6.2-3.9=6-1.7=0.5-0.3=

1.3-0.1=9.7+3.5=16.6-8=0.59+0.4=

5.1-0.4=8.2-3.8=8.6+5.7=0.55-0.42=

4.5-0.7=8.7+9.7=18.8-8=0.66+0.07=

二、笔算。

1.69+0.79=61.01-2.36=7.44+3.46=78.9-9.2=

7.63-5.18=75.68-1.7=1.75+0.99=78.37-2.54=

4.16+0.8=46.2+8.22=9.58-5.76=74.7+9.2=

8.32+1.02=91.68-7.77=3.43-0.83=41.38-6.1=

一、口算。

6.7-0.9=4+2.4=61.7-6=0.66+0.43=

3.8-0.6=6.8-3.9=9.3-0.5=0.8+0.29=

2.7-0.3=9.2+8.5=42.1-2=0.93-0.46=

7.1-0.7=8.5-4.9=7.4-2.1=0.58-0.4=

4.7+0.1=8.6+9.2=76.2+3=0.89-0.09=

二、笔算。

7.94-0.61=17.49+5.51=7.33+5.85=86.4-4.4=

7.97+2.61=16.82-1.33=5.65+0.55=55.91+7.75=

4.46+0.57=46.93+3.26=8.62-3.54=54.6+37.6=

7.39+5.99=52.97-9.1=3.24+0.82=16.22-1.74=

一、口算。

1.6-0.7=5.4+0.3=88.5+9=0.81-0.31=

2.4+0.2=8.6+2.1=6.5+3.5=0.6-0.11=

6.9+0.1=0.4+9.1=14.9-8=0.9-0.2=

2+0.4=5.6-3.2=7.1-5.1=0.66+0.31=

1.6+0.9=6.9+8.9=76.9+3=0.98+0.34=

二、笔算。

5.14+0.16=92.11-7.2=9.65-4.78=81.4-47=

9.1+5.76=43.84+1.7=5.62+0.89=41.22+6.89=

2.12-0.72=38.91+1.41=8.48-5.68=74.3+38.7=

8.19-2.55=51.2-3.8=6.23+0.58=44.52-7.23=

一、口算。

6.8-0.3=5.8+7.7=22.4+7=0.92+0.39=

7.7-0.6=7.1-0.6=7.2-2.4=0.55+0.03=

4.7-0.9=3.5+7.7=57.2+3=0.94+0.36=

8.1-0.7=8.9-1.3=7.4-2.9=0.5-0.12=

9+0.5=9.8+0.8=54.3-7=0.94+0.19=

二、笔算。

4.18-0.79=70.47-5.29=7.47+5.29=98.2+28.4=

9.08+5.7=89.66+5.29=2.83+0.54=14.48-6.34=

8.38-0.78=37.17-9.97=7.25+4.22=91.5-12.1=

9.98+3.47=26.3-1.54=4.34-0.29=68.86+3.58=

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