人教版四年级数学下册小数加减法综合练习题146.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146.docx

人教版四年级数学下册小数加减法综合练习题146

一、口算。

7.1+0.1=0.7+1.2=73.3-5=0.5-0.08=

7+0.9=9.3-3.9=9+4=0.67-0.16=

5.8+0.6=6.6+1.4=10.6-2=0.61-0.49=

4.1+0.7=8.8-0.4=6.4-1.9=0.73-0.24=

1.3+0.5=9.4+0.3=31.7+5=0.83+0.39=

二、笔算。

9.44+0.86=51.44-1.64=7.56-1.63=52.3+5.1=

8.45+5.74=44.89+3.08=1.93-0.12=57.02+5.5=

8.09+0.27=47.4-6=7.83+4.55=76.1-7.5=

7.47+1.84=90.82+2.68=5.46-0.47=47.54+9.98=

一、口算。

1.3+0.3=5.9+5.3=62.1+1=0.92+0.04=

1.3+0.3=9.7+3.3=7.1+1.3=0.99+0.1=

1.8+0.1=3.8+5.3=71.2+8=0.94+0.48=

3.4+0.7=8.1-4.6=6.2-4.5=0.9+0.45=

4.8+0.2=6.9+0.8=20.5-8=0.78+0.07=

二、笔算。

2.49-0.04=60.86+6.42=9.22+3.07=53.8-3=

7.89-2.52=43.97-2.66=6.99+0.04=58.2-5.4=

5-0.92=93.84+7.96=8.1-1.17=77.9+2.4=

7.66+2.34=96.34+9.69=4.03+0.18=87.72-4.43=

一、口算。

7.5-0.8=2.5+9.8=10.5+2=0.94-0.43=

8.1+0.8=6.4-4=6.4-4.4=0.73-0.25=

8.4-0.3=3.7+8.3=15.4-3=0.98-0.33=

6+0.2=5.6-3.7=7.9-0.5=0.57+0.05=

7.1-0.6=7.8+7.1=70.8+5=0.59+0.11=

二、笔算。

6.66-0.68=62.06+5.99=7.14+6.47=90.2+12.4=

8.79+3.68=82.84+2.19=5.2+0.62=81.79+9.94=

5.34+0.99=31.2-5.83=8.6-1.46=72.1+21.7=

7.01+5.22=50.4-7.42=6+0.56=60.04-3.64=

一、口算。

6.7+0.4=3.1+5.8=38.8-4=0.72+0.13=

8.3+0.8=6.4-4.9=8-5=0.8+0.45=

5.3-0.4=8.6+7=57.9+6=0.93-0.49=

5-0.8=9.4-3.8=7.5+4.7=0.95-0.45=

6-0.8=1.3+0.1=59.7+4=0.54+0.04=

二、笔算。

3.68+0.48=94.85-9.12=9.59-4.45=67-14.8=

9.2+4.44=10.57+4.57=8.77-0.99=79.47-1.22=

8.3+0.75=24.06-9.28=8.04-3.59=61.8+14.2=

9.64+3.69=83.52+7.62=6.63-0.91=62.69-6.91=

一、口算。

7.4-0.1=5.7+0.2=42.2-9=0.76+0.24=

1.1-0.9=7.9-2.9=9.3+4.2=0.54-0.32=

1.2+0.7=4.6+8.3=97.5-3=0.81+0.26=

3.3-0.2=8-2.6=7.9-4.6=0.52+0.11=

5.5-0.5=6+3=90.9-3=0.57+0.15=

二、笔算。

5.65-0.72=67.37-4.51=8.85-1.33=92.4+26.8=

8.24-4.47=33.14+2.39=2.06-0.06=43.61-5.03=

6.71+0.75=25.81-7.1=8.73-3.55=75.9+36.4=

8.01+3.76=76.94+7.4=5.4+0.02=18.54-8.53=

一、口算。

2.5+0.8=8.4+8.4=51.8+8=0.93+0.15=

3.7-0.7=9-2.6=7.5-2.6=0.91-0.48=

4.9+0.5=5.3+7.2=72.9-5=0.56+0.38=

6.9+0.1=8.1+4.7=6.1-1.6=0.6+0.05=

3-0.5=2.1+7=85.7-6=0.91-0.08=

二、笔算。

6.42-0.34=59.96+9.02=8.65+1.88=65.5-45.7=

9.13-6.26=51.52+7.13=6.59-0.04=79.6-7.38=

4.8+0.46=71.07+9.78=8.86-6.02=64.5-19.9=

8.06-1.47=32.04-3.48=4.38+0.85=37.8+4.1=

一、口算。

3.1-0.5=0.2+8.9=14.1+8=0.98+0.17=

1.9-0.9=9.7-4.6=8.9-3.6=0.69+0.25=

8-0.8=3.6+4.9=17.3+8=0.84-0.13=

5.7-0.1=5.9+3.2=9.3-0.5=0.61-0.33=

7.7-0.7=6.7+1.3=44.8-8=0.53-0.39=

二、笔算。

2.91-0.9=18.3+9.65=7.5-3.17=80.3+17.6=

7.42+4.64=80.06+8.08=2.98+0.16=54.9+5.95=

3.49+0.67=26.82+7.41=8.98-1.03=76.2-26.6=

8.75+3.72=75.82+5.48=3-0.88=59.36+9.92=

一、口算。

1.1-0.8=8.4+1.6=50.4+3=0.84+0.18=

5.4-0.5=8-3.5=6+0.1=0.82+0.14=

2.3-0.5=5+9.3=72.7+7=0.7-0.37=

5.2+0.1=9.5+1.1=8.1-2.9=0.99-0.43=

2.5+0.7=3.6+3=46.3-2=0.98-0.19=

二、笔算。

7.16-0.09=89.96-5.27=8.25+3.92=92.8-46.3=

8.77+4.25=31.46+1.75=5.91+0.78=66.6-2.65=

1.52+0.01=17.83+7.43=9.19-1.22=95.8-16.7=

8.29-6.93=34.7-2.86=5.19+0.98=30.64-2.9=

一、口算。

4.5+0.6=3.8+1.7=18.7-2=0.51-0.46=

4.7-0.8=8-3.7=6.8+3.1=0.86+0.4=

2.4-0.1=1.9+2.4=82.5+9=0.76-0.01=

3-0.5=8.6-1.5=9-2.8=0.65+0.01=

8.6-0.1=6.1+2=82.1+8=0.77-0.31=

二、笔算。

3.81+0.69=69.02+9.99=7.9+4.12=89.3+33.9=

9.24+6.92=39.32+4.57=9.51-0.41=98.31-7.65=

7.67+0.92=89.22-9.09=9.15-2.18=76.9-45.5=

7.43+5.06=28.58+1.22=2.34-0.71=45.74-5.56=

一、口算。

5.8-0.4=6.1+2.5=20.7+6=0.62-0.21=

4-0.8=5.7-1=8.1+2.1=0.95-0.43=

5.4+0.8=4.1+5.4=23.2+5=0.96-0.31=

2.7-0.2=9+4.9=9.7+2.3=0.74-0.01=

5.8-0.9=6.8+4.3=76.9-3=0.93-0.16=

二、笔算。

7.16+0.06=15.58-6.9=7.21-4.08=52.4-18.9=

8.99-2.21=69.73-4.29=3.1+0.02=26.38+1.82=

4.31-0.27=63.99+1.59=9.09-5.46=75.9-31=

8.88+2.82=70.65-7.05=9.08-0.64=50.35-2.35=

一、口算。

8.2+0.8=2.9+1.9=65.9+2=0.82-0.45=

6.2+0.8=9.8-3.7=9.6-5.6=0.66-0.32=

8.4+0.5=6+5=42.9-2=0.84-0.16=

1.5+0.3=6.9-2.9=6.3+4.9=0.88+0.3=

4.5+0.8=2.8+0.7=99.6-3=0.93+0.17=

二、笔算。

2.36+0.34=10.83+8.27=9.12+5.35=82.1-21.9=

7.96+6.75=98.36+3.98=2.25+0.58=20.23+2.18=

3.58-0.01=28.45-3.21=8.56+6.1=89.5+33.2=

7.22-5.33=11.81+1.28=8.59-0.84=48.24-4.14=

一、口算。

3.9+0.1=0.8+5=57.3+5=0.72+0.43=

1.1-0.4=8.4+1.7=9.3+5.2=0.67+0.01=

6.8-0.6=0.1+5.9=21.4-9=0.84+0.39=

5.9+0.2=7.5+1.2=7.8+2.1=0.73+0.25=

8.8+0.6=2.9+4.1=21.4+9=0.82-0.02=

二、笔算。

8.18-0.96=55.43-2.02=7.08+2.02=89.7-46.6=

7.7-6.38=66.21-1.13=2.15-0.66=92.62-5.05=

2.57-0.24=17.18-4.83=8.77-6.28=62.7-47.5=

8.37-4.92=87.35+7.18=7.29-0.59=67.13+6.93=

一、口算。

8.5-0.1=8.5+7.4=47.5-5=0.99+0.47=

3.3+0.6=9.5+4.7=9.5-2=0.71-0.33=

6.8-0.6=4.9+5.2=34.8-3=0.52+0.13=

1.3-0.7=8.4-1.9=8.1-1.8=0.95-0.22=

4.6+0.7=6.2+0.9=54.6-5=0.5+0.35=

二、笔算。

2.04+0.91=95.14-6.05=8.47-2.92=86.4+22.2=

9.44+6.63=52.47-5.46=7.51+0.43=53.58-3.15=

4.29-0.25=22.87-4.2=9.62+5.28=95.5+3.6=

7.06+4.12=39.73+1.85=8.92-0.67=31.51-9.63=

一、口算。

8.8-0.3=2.2+5.3=19.2+6=0.56+0.37=

3.1-0.1=6.6-1.3=6.4-4.4=0.74-0.13=

1.4+0.1=6.2+4.9=79.6-9=0.88+0.2=

1.6+0.1=9.9+4.6=6.2-3=0.5+0.15=

7.2-0.4=5.7+9.5=78.2+4=0.7-0.27=

二、笔算。

3.09-0.67=14.68-4=9.94-2.77=98.4-9.8=

9.71+1.9=43.24-8.32=2.61+0.82=23.16-9.62=

5.78-0.27=49.68-3.23=9.55+6.1=94.8-8.3=

7.45+5.57=65.56+6.87=8.78-0.63=96.37-8.51=

一、口算。

3.4+0.7=2.8+8.8=37.6-7=0.73+0.08=

3-0.7=8.8+4.4=6.4+3.8=0.77+0.11=

3.5-0.6=9.9+1=12.7+1=0.56+0.37=

3.5+0.2=6.6-3.9=8.4+0.5=0.56+0.48=

8.7+0.7=4.1+0.3=51.8+9=0.86-0.14=

二、笔算。

9.4-0.04=76.08-2.98=8.48+5.64=63.7-37.9=

8.3-1.07=29.92+1.21=2.25+0.84=57.81+6.12=

9.81-0.9=39.2+2.59=9.5-2.98=67.1+4.9=

7.57-5.49=33.36+4.78=1.91+0.67=51.72-2.15=

一、口算。

7.1+0.5=9.2+9.9=50.2-3=0.86-0.09=

3+0.4=7.9-2.5=8.5+5.4=0.97-0.38=

4.5-0.4=4.2+5.5=25.1-5=0.97+0.42=

4.1-0.9=9+4.1=7.3+3.2=0.67-0.37=

6.1+0.7=6.8+6.7=82.3+3=0.85+0.05=

二、笔算。

6.67+0.32=55.32+5.81=8.6-4.3=80.9+36.3=

9.73+4.82=24.8-9.61=5.43+0.29=54.17+1.88=

5.74-0.42=32.88-2.61=9.96+3.64=89.6+26.1=

8.46-5.84=68.8-8.02=1.09+0.19=85.92+4.43=

一、口算。

6.9-0.5=1.6+0.4=80.4-4=0.97-0.04=

3.4+0.2=5.9-3.4=6.6-3.6=0.5+0.39=

7.3+0.6=9.3+4.5=79.2+2=0.53+0.16=

2.1-0.3=6-3.3=8.4+5.1=0.73-0.49=

3.4+0.1=9.1+2.3=73.4+8=0.59-0.29=

二、笔算。

3.51+0.34=82.45-3.56=9.66-1.08=73.8+41.6=

7.39-6.46=22.44-5.7=9.13+0.07=77.19-8.76=

9.49+0.04=14.26-4.19=7.17+1.28=62.2-1.5=

9.49+5.07=26.49-5.95=5.49+0.78=85.03-6.94=

一、口算。

5.3+0.6=1.2+3.1=11.3-5=0.93-0.11=

5.2-0.7=8.3+3.4=8.6+4.7=0.54-0.22=

5.6+0.2=8.6+8=29.3+5=0.56-0.1=

8.7-0.3=6.2-4.3=8.5-4.5=0.59+0.35=

4.1+0.9=6.3+8=20.7-2=0.79-0.01=

二、笔算。

5.86-0.87=73.48+7.88=7.44+2.47=82-14.8=

7.66+5.38=67.4+1.9=2.15-0.64=24.32+8.43=

2.4+0.56=19.33-9.56=7.73+5.99=76.1-33.4=

8.5+4.54=49.14+4.31=9.06+0.76=47.39-9.29=

一、口算。

8.1-0.5=0.8+9.6=44.4+6=0.98+0.14=

5-0.9=8.1+1.7=6+3.5=0.68+0.4=

6.5-0.5=7+5.7=90.5-5=0.55-0.16=

2.6+0.6=8.7-2.3=8.4+0.5=0.93+0.17=

5.9-0.3=4.8+9.2=47.9+5=0.72+0.12=

二、笔算。

5.78+0.48=17.17+6.97=8.24+3.81=92.4-36.5=

7+2.55=14.78-1.91=1.88+0.66=61.5+8.12=

7.16+0.04=69.57-5.19=8.58+3.76=90.2+20.8=

8.94-3.69=97.72-1.67=5.27-0.24=59.99+5.49=

一、口算。

7.6-0.8=0.1+1.1=37.9+4=0.65+0.03=

2.7-0.9=6+4.2=7.2+2.9=0.93-0.29=

3+0.1=2.8+5.9=16.1-8=0.66-0.22=

5.6+0.1=5.6-2.3=9.3+2.6=0.59-0.37=

4.4-0.1=2.3+3.6=14.9+6=0.82-0.34=

二、笔算。

8.21-0.96=50.08+9.03=9.51-1.66=50.8-10.4=

9.84-1.66=42.47+3.8=1.92-0.35=30.6-6.87=

5.31+0.37=81.33-2.97=9.58-5.56=56.8-47.1=

9.04+3.82=79.36+7.75=3.03-0.68=12.91+1.93=

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