四年级数学下册小数加减法练习题精选69.docx

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四年级数学下册小数加减法练习题精选69.docx

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四年级数学下册小数加减法练习题精选69.docx

四年级数学下册小数加减法练习题精选69

一、口算。

3.6+0.5=0.3+4.8=15.5-4=0.66+0.1=

3.7-0.9=7.3+0.3=6.2-3.6=0.72-0.18=

8.5-0.7=8.1+2.6=13.6-8=0.69+0.09=

2+0.3=6.9-3.7=9.6-0.7=0.75+0.41=

7.6-0.2=2.4+1.3=58.2-2=0.73-0.06=

二、笔算。

2.58+0.28=93.4-2.87=7.97-6.36=92.1+35.5=

7.95+3.8=48.32-1.63=5.81+0.82=51.45+2.79=

2.66+0.11=99.47-6.62=7.61+3.98=67.4+36.4=

8.37-3.76=54.13+4.63=7.5-0.71=77.93+4.38=

一、口算。

6.6+0.3=5.8+7.5=11.6+9=0.99+0.45=

5.3-0.4=7.3-0.4=6.2-4.9=0.52-0.36=

1.2-0.8=5.1+5.3=97.8+7=0.91-0.48=

4.9-0.6=9.3+3.1=6.8+3.1=0.79+0.09=

9+0.1=5.5+6.7=88.1-8=0.84+0.48=

二、笔算。

5.17+0.22=63.74+3.84=8.98+1.74=61.5-6=

8.03-1.67=20.01+9.72=6.95-0.19=90.99+9=

5.57-0.67=19.26+6.96=8.37-6.13=66.5+15.2=

7.55-6.16=59.74+2.46=8.39-0.43=15.23+5.67=

一、口算。

6-0.7=8.5+6.2=90.6+5=0.67-0.06=

8.3+0.6=6.7+1.1=7.1+3.8=0.84+0.41=

3.9+0.8=3.2+7.5=39.6-8=0.79+0.01=

6.6+0.7=5.9+4.5=8.3+3.7=0.99-0.33=

3.8+0.2=4.7+0.4=50.5+7=0.84+0.17=

二、笔算。

3.79+0.17=15.47-5.73=9.26+2.73=53+8.1=

8.58-1.64=32.43-6.73=8.95-0.13=51.3-3.87=

2.4+0.2=94.32-9.7=8.81-4.47=69.7-29.3=

9.7-2.26=85.5-6.83=1.25-0.34=46.29-7.92=

一、口算。

7.9+0.1=8.2+9.3=48.6+7=0.74+0.13=

5.8+0.7=5.9-0.4=7.7-0.6=0.62-0.26=

2.2+0.1=4.8+2.5=97.1+2=0.99+0.12=

7.5-0.9=6.9+0.1=7.5+2.3=0.98-0.29=

6.1-0.7=3.9+2.3=33.4+8=0.91+0.03=

二、笔算。

9.06+0.4=93.87-6.32=8.63+4.3=52.5-19.9=

8.87+5.43=40.62+1.8=7.55+0.36=29.91+5.03=

2.93-0.43=29.7+3.92=8.83-6.64=79-13.5=

8.24+1.47=30.84-7.68=8.06+0.18=52.78-7.49=

一、口算。

2.8-0.7=3.6+8=40.9-8=0.62+0.41=

6.5-0.6=7.7-2.1=7.5-4.5=0.98-0.21=

5.2+0.3=0.7+0.7=33.5-2=0.79-0.38=

2-0.6=8.3+4.7=7.2-3.7=0.84+0.39=

3.7+0.8=2.4+2.8=59.2+7=0.8+0.44=

二、笔算。

1.73-0.93=84.68+8.44=7.72+1.58=79.7+37.3=

9.64+2.04=28.05-5.12=7.92-0.75=30.29-6.84=

6.69-0.83=25.17-2.42=8.63-1.81=75.5+1.3=

7.43-2.06=41.16+4.85=3.38+0.86=25.34-9.89=

一、口算。

8.6-0.9=8+1.9=63.7-9=0.55-0.17=

1.4+0.5=5.6+1.5=7.2-2.3=0.62-0.16=

7.1+0.6=1.1+2.4=22.4-3=0.58+0.48=

8.7+0.4=6+3.9=7-1.8=0.91-0.26=

6.6+0.5=0.6+5.4=38.7-6=0.57+0.23=

二、笔算。

4.31+0.81=97.92-5.39=8.7-4.67=92.4+48.3=

7.89+2.34=74.07-4.77=5.19+0.85=85.43+7.7=

1.11+0.1=64.09-8.58=8.6-5.8=68.3-22.1=

8.09-2.69=98.78-9.7=4.01-0.71=32.39+9.54=

一、口算。

3.3-0.6=3.1+9=23.1+3=0.83-0.08=

4.1-0.1=6.7+4.3=7.7-5.3=0.54+0.13=

6.6-0.9=1+8.5=15.6+4=0.58-0.36=

5.8-0.7=8.7-3.4=9-0.9=0.8-0.3=

5.8+0.3=1.8+1.3=79.3-7=0.5-0.02=

二、笔算。

1.36-0.77=18.28-6.92=9.48+3.3=50.8+43=

7.21-5.75=95.26-3.39=3.26-0.53=17.44-8.19=

3.13+0.66=42+4.82=8.18+4.14=60+22.4=

9.55+2.87=99.29-2.28=7.13-0.08=55.9-6.89=

一、口算。

2.2-0.2=1.4+5.8=75.5-5=0.85+0.16=

5.3+0.9=8+2.5=6.6+4.4=0.57+0.12=

6.2-0.6=4.3+7.4=98.3-8=0.59+0.38=

8.3-0.6=9.4+2=6.9+2.2=0.59+0.31=

8.3+0.3=7.8+4.9=63.9+5=0.67-0.06=

二、笔算。

6.46+0.05=25.38-2.18=8.88+5.36=97.3+47.2=

8.79+3.87=34.21+9.14=6.08+0.33=48.19+2.66=

6.22+0.7=95.48-9.96=7.39+1.99=51-16.2=

7.6-4.51=52.36+7.68=2.67+0.46=51.9-2.51=

一、口算。

4.7+0.5=1.8+2.8=78.8-7=0.7-0.32=

4-0.5=5.7+4=7.4+0.4=0.61+0.04=

3.4+0.6=3.9+2.5=84.3-4=0.85-0.13=

5+0.1=8.2+0.7=8.6+5.8=0.68+0.15=

3.1-0.3=2.7+1=56.8+4=0.58+0.27=

二、笔算。

9.18+0.54=45.99+3.96=7.97+2.41=68.4+23.2=

8.54+4.5=30.74-8.1=6.54+0.2=52.87+9.8=

9.86-0.31=45.12-7.31=7.55+1.08=79.2+37.2=

9.05-4.9=50.66+4.33=1.11-0.92=88.44-5.46=

一、口算。

7.4-0.8=3.7+1.3=82.7+2=0.53-0.48=

2.6+0.5=9.4-1.4=6.6-2.1=0.88-0.07=

5.2+0.4=1+3.9=32.9+2=0.76-0.32=

1.8-0.3=6.1+4.2=8.4-0.7=0.63-0.37=

7.1+0.4=4.4+8.3=86.4+6=0.64-0.48=

二、笔算。

7.79-0.75=83.93-2.25=8.64-6.68=97.8-13.5=

9.66-4.38=33.41-2.83=6.21+0.51=40.79-3.65=

5.81-0.24=85.61+6.93=7.88+1.34=78+16=

9.38-5.1=94.12-1.32=2.19-0.64=59.65-6.27=

一、口算。

2.4-0.3=4.5+3.4=24.9+5=0.65-0.05=

4.2-0.6=7.9+3.3=6.1-2.4=0.62+0.18=

8.4-0.1=2.1+3.1=54.8+9=0.63+0.2=

1.8-0.2=7.4+2=8.4-3.9=0.97-0.4=

4.9-0.1=4.1+2.3=89.2+1=0.98-0.02=

二、笔算。

2.19+0.58=52.66-9.18=8.93-5.41=50.8+36.5=

8.76-4.96=20.63-9.16=6.29+0.31=66.07+4.8=

2.55-0.86=18.24-3.52=9.82-2.24=67.4-43.3=

7.48-6.28=72.97-4.29=8.58-0.1=90.1+8.62=

一、口算。

8.9+0.9=6.9+6.4=15.6-1=0.67-0.07=

2.6-0.1=9.5+0.7=9.3+5.1=0.73+0.32=

8.2-0.3=8.7+2.1=33.7+9=0.6-0.11=

8.8-0.8=7.6-4.7=6.2+0.1=0.66-0.12=

3.7+0.3=2.1+5.5=64.2-6=0.95+0.43=

二、笔算。

2.62+0.63=34.21+8.84=7.49+1.31=89.9-6.4=

7.18-5.87=96.28-9.32=7.22+0.14=96.04+1.61=

1.49+0.36=81.64-9.67=9.64+1.47=54.4+7.1=

9.26+4.76=26.94-4.05=9-0.12=33.31-6.59=

一、口算。

1.6-0.7=8.8+2.6=59.1+7=0.63-0.44=

1.2-0.2=9.7+2.2=6.2-3.2=0.57+0.09=

2.2+0.3=1.1+7.9=16.3+6=0.61-0.12=

2.5+0.4=6.9+4.2=7.3+5.4=0.63+0.04=

2.6-0.9=0.3+3.6=86.1-8=0.85-0.17=

二、笔算。

8.16-0.96=29.21+7.59=8.53-2.31=84.1-5.5=

9.46+6.46=98.57-5.12=9.95+0.62=66.45-2.25=

6.53+0.84=86.5+4.72=7.04-6.39=81-20.6=

9.99+5.72=69.44-3.73=8.85-0.63=48.32-6.53=

一、口算。

5.5+0.6=8.1+7=82.4-2=0.82-0.37=

5+0.3=6.5+4.4=9.1-3.6=0.78+0.14=

8.1+0.3=1.5+2.5=27.4-3=0.75-0.43=

4.9-0.7=7.2-4.7=6.9+1=0.96-0.4=

7.3+0.2=3.5+6.1=70.1-7=0.83-0.3=

二、笔算。

5.7+0.91=42-4.21=9.07+4.66=93.7+26.1=

9.96-2.92=11.17-8.8=4.05-0.54=61.41-5.05=

4-0.11=38.06+6.73=8.8+1.66=92.7-35.6=

7.6-5.16=34.49-4.84=5.73-0.74=45.28+7.53=

一、口算。

4.3-0.9=2.4+7.4=84.4-8=0.51-0.38=

7.8-0.6=7.8-4.3=8.9-5.8=0.94+0.21=

7.9-0.6=2.4+3.5=48.4+5=0.8+0.3=

8.2+0.7=7.7-1.2=6+1.6=0.95+0.16=

5.7+0.1=9.9+4.6=37.5+9=0.8+0.47=

二、笔算。

8.98+0.06=58.12+1.61=7.9-1.86=81+35.3=

8.57-4.26=17.53+3.67=7.73+0.75=23.98-2.24=

1.53+0.06=18.06+9.74=7.82+3.99=50.6+21.4=

7.95+5.05=38.34+6.97=7.02-0.45=99.64+9.09=

一、口算。

5-0.7=1.6+3.7=72.3-2=0.55-0.17=

7+0.3=5.4-0.3=8.3+5.3=0.96-0.12=

7.8-0.5=6.3+3.2=36.7-4=0.76-0.19=

4.8-0.6=7.5-1.5=6.7-5.5=0.89+0.3=

7.9+0.8=2.4+1.7=53.6-4=0.68+0.42=

二、笔算。

5.67+0.42=46.04+6.73=7.6-1.49=53.2+25.4=

8.53+1.82=34.73+8.31=2.56+0.54=17.72+4.2=

1.58+0.7=73.37-3.55=9.44-3.66=75.6-11.7=

9.56-5.43=26.73-8.08=4.6-0.05=10.1+8.74=

一、口算。

8.6-0.2=0.1+4.7=98.6+6=0.67-0.31=

8.7+0.8=7.2-0.9=9.1-2.1=0.84-0.4=

2.6-0.7=3.5+4.6=94.7-8=0.95+0.45=

4.8+0.2=5.1-1.1=6.4+3=0.79+0.13=

6.3+0.3=5.4+1=24.5-2=0.85-0.35=

二、笔算。

8.73+0.64=79.45-7.84=9.55+2.6=63.9-38.7=

7.6+3.53=37.01-5.22=1.67-0.95=68.68-9.78=

3.52+0.54=70.63+3.13=8.99-5.58=66.7-45.6=

8.28+6.14=93.17-5.89=4.91-0.05=34.62+7.55=

一、口算。

4.6+0.7=6.3+2.1=93.4+5=0.58-0.06=

4.2+0.2=8+3.2=7.7+2.6=0.64-0.3=

5.1+0.7=7.4+1.3=27.9-2=0.66-0.4=

8.2+0.2=5.1-0.1=9.3-0.4=0.5-0.02=

5.3+0.7=9.5+2.2=78.5-6=0.84+0.16=

二、笔算。

6.4+0.67=39.62-6.39=9.13+3.9=96.9-5.8=

7.02+5.76=90.81+6.35=9.43+0.51=54.93-9.31=

2.67+0.01=34.87-8.18=8.82+5.86=69.8-3.7=

8.82+3.83=39.11-3.54=4.92+0.42=95.35-7.14=

一、口算。

2-0.1=5.4+1.1=80.5-3=0.53+0.01=

2.4+0.6=5.7-3.6=8.4-5.8=0.6+0.14=

3.2-0.9=4.8+9.7=56.6+6=0.61+0.27=

2.3-0.8=8.6-1.7=9.8+5.7=0.65+0.42=

8.4+0.2=5.3+1.3=50.8+5=0.83-0.37=

二、笔算。

9.2+0.64=85.12+6.18=7.61+2.55=75.4+47.3=

9.53+5.12=80.95+9.68=8.1+0.84=39.37+3.45=

2.36-0.18=22.61-6.07=7.01-5.86=71.6-15.5=

8.1-3.33=10.53+7.47=8.25+0.91=18.1-9.25=

一、口算。

9-0.9=0.7+9.1=60.2-9=0.5-0.06=

5.1+0.7=8.8-0.9=6.6+4.4=0.86+0.37=

1.4+0.7=9.2+5=55.8-3=0.61+0.02=

4.7+0.5=8.1-0.5=7.3-5.3=0.52-0.15=

1.3+0.5=1.1+4.4=12.9-1=0.84-0.32=

二、笔算。

1.12+0.55=53.29+2.72=7.28+1.37=92.1+48.7=

9.69-4.72=31.85-4.54=1.94+0.99=56.26-8.91=

8.38-0.15=59.07+2.69=9.79+2.21=58.9+42.8=

8.68+2.82=82.31-7.21=6.51-0.36=58.56-4.46=

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