四年级数学下册小数加减法练习题精选73.docx

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四年级数学下册小数加减法练习题精选73.docx

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四年级数学下册小数加减法练习题精选73.docx

四年级数学下册小数加减法练习题精选73

一、口算。

3.6-0.7=3.3+3=15.6-7=0.74+0.17=

6.9-0.1=7-2=6.4-5=0.54+0.27=

3.9+0.4=2.4+6=22.8-7=0.84-0.12=

2.8-0.5=9.6+0.9=6.9+2.5=0.7+0.04=

5.8+0.1=1.1+3.7=18.6+2=0.55+0.07=

二、笔算。

3.17-0.27=23.52+5.01=9.48+1.06=62.6-21.2=

7.94-1.66=66.12+5.22=8.07-0.05=76.49+6.92=

8.53+0.59=60.09-5.28=9.04+4.55=81.7-40.3=

8.87+3.62=37.88+1.46=6.07-0.36=38.7+2.87=

一、口算。

3.7+0.3=8+0.9=95.3-3=0.64+0.02=

1.2-0.2=7.9-1.9=8.3+3.6=0.75-0.46=

5.9+0.9=1.4+3.8=66.4-1=0.73+0.48=

5.2-0.5=8.6+0.1=8.5-2.1=0.63-0.43=

3.1+0.8=6.6+2.6=11.5+2=0.71-0.2=

二、笔算。

1.49-0.81=60.08+9.45=9.35-2.49=98.6+33.5=

7.83+2.87=10.73-1.3=2.33+0.26=96.28+4.88=

2.25+0.52=29.84-6.49=9.83+3.42=89.6-2.9=

7.63-5.89=44.29+7.69=9.23-0.27=78.49-7.76=

一、口算。

4.5+0.8=9.5+5.2=43.2+5=0.58-0.39=

8.8+0.2=9.7-4.2=7.1+4.4=0.94+0.08=

3.4+0.1=9.5+7.8=55.7+2=0.86-0.48=

1.9-0.6=8.5-1.4=9.8+2.8=0.91-0.11=

1.6+0.5=3.1+0.2=74.7+9=0.9-0.28=

二、笔算。

2.71-0.5=36.68-5.95=8.96-4.66=92.8-23.2=

7.56-3.83=83.16-7.85=7.46-0.12=95.25+6.23=

8.34-0.32=62.76+8.43=9.93-3.33=54.5+27.8=

9.91-4.46=86.92+8.61=3.82+0.38=14.13-9.23=

一、口算。

8.7+0.2=4.5+8.5=97.1+4=0.57+0.24=

6.5+0.5=9.6-3.7=7.5-0.8=0.85-0.04=

7.5-0.2=9.3+0.9=65.6+9=0.8-0.21=

3.4+0.2=5.5+3.4=8.1+4.9=0.76-0.27=

6.3+0.7=9.2+7.7=35.6+1=0.94+0.34=

二、笔算。

3.63-0.5=80.84-9.73=9.5-1.02=54.4-48=

7.17-4.65=84.42-5.28=8.79+0.71=37.05+3.14=

7.08+0.15=43.8+5.29=9.6+6.98=96.9-29.4=

7.65-4.91=36.44+2.16=3.49-0.58=40.86+2.9=

一、口算。

1.4+0.2=7.7+7.6=23.1+5=0.58-0.28=

4.9+0.9=7.2+3=7.6+5.5=0.93-0.26=

2.7-0.3=3.9+7.6=28.5+7=0.71-0.47=

4.4-0.3=7+0.1=9.4+4.3=0.7-0.12=

1.1+0.4=2.7+2.5=94.7-3=0.5+0.17=

二、笔算。

8.49-0.5=99.62-5.62=8.5+4.14=50.6+6.7=

9.03+1.09=49.37+8.36=9.65-0.25=47.68+8.22=

5.91+0.37=26.7-2.99=8.88+3.43=88.3-43.3=

8.42+6.4=47.95+7.23=4.11+0.26=34.11-7.54=

一、口算。

5.1-0.6=0.3+2.5=52.1-8=0.78-0.36=

6.8-0.9=5.7+1.2=7.5-3=0.84+0.06=

2.6+0.2=0.6+9.9=68.6+1=0.84+0.45=

3.7-0.5=9.9+4.1=7.8+3.7=0.9+0.47=

1.4+0.7=9.9+7.3=90.8+7=0.54-0.38=

二、笔算。

7.64-0.18=42.32+9.35=9.4+4.05=62.2-17.7=

7.99-5.92=76.76+1.73=3.53+0.14=13.92+3.96=

1.79-0.32=19.83+4.88=8.69-3.91=62.8-9.7=

8.43+2.67=31.13+6.54=7.83+0.33=65.7-4.78=

一、口算。

1.7-0.4=2.3+7.9=18.5+6=0.96+0.13=

6.8-0.8=5.2-4.5=9.9+4.3=0.83-0.17=

7.2-0.9=4.3+4.5=18.4+4=0.99-0.05=

7.8+0.1=5.2-2.9=9.2-3.6=0.83-0.33=

8.5+0.2=7.8+0.5=82.2-9=0.94-0.1=

二、笔算。

9.04-0.35=79.57+8.15=8.66-3.1=52.7-46.2=

9.92+3.19=83.7-7.84=7.45-0.67=23.14-7.45=

1.52-0.54=32.18+3.4=7.41+4.34=58.7-16.7=

7.6-3.91=37.97-7.71=8.68-0.24=93.16+8.76=

一、口算。

6.5+0.7=8.8+5.8=26.2-4=0.72-0.38=

2.3+0.5=7.9+4.1=7.3-3.4=0.67-0.45=

6.5+0.9=8.6+9.5=11.3+1=0.72+0.14=

3.7+0.4=7.1-4.2=7.1+5.6=0.95+0.48=

8.2-0.7=6.5+6.9=46.3+8=0.6+0.29=

二、笔算。

2.73-0.07=66.38-5.33=8.89+3.58=94.8+27.8=

8.5-1.31=93.41-7.57=3.09-0.96=61.57-8.45=

6.95-0.77=40.01+2=7.21-5.02=64.9-28.3=

9.45-2.61=24.27-1.64=6.51-0.62=79.95+7.58=

一、口算。

3.2-0.8=6.6+0.3=95.8+8=0.85+0.13=

5.6+0.2=8.3-2.3=6.4+1.9=0.65-0.49=

6.7-0.1=2.1+7.3=66.4+2=0.88+0.18=

3.1+0.4=9.2-4=6.3-2.2=0.77-0.48=

1.3+0.8=8.1+5.6=69.2+6=0.57+0.45=

二、笔算。

1.43-0.32=59.64+5.84=9.16+2.74=74.8+16.8=

8.34-1.72=68.63-4.77=3.2-0.24=84.85-2.24=

4.07+0.32=79.37+6.85=8.37+5.74=95.6-10.3=

9.71-1=40.63+9.4=6.44+0.19=63.99+4.95=

一、口算。

8-0.4=3+4.2=36.6-4=0.86+0.39=

5.3+0.5=5.6-3.7=6+0.2=0.76+0.09=

5.6+0.1=9.2+7.3=88.9+8=0.85+0.24=

8.4-0.5=6.4+2.4=9.7-2.5=0.98+0.03=

4.8+0.8=7.7+4.6=37.7-8=0.94-0.17=

二、笔算。

3.89-0.83=75.41-6.03=8.19+4.03=90.3-12.2=

9.3-4.95=52.35+8.89=1.5-0.4=34.39+3.09=

7.88-0.11=11.39+5.34=7.4-2.93=80.7-18.1=

9.61-2.7=30.89+1.65=3.72+0.46=96.33-6.33=

一、口算。

6.3-0.2=5.7+3.6=70.1+5=0.73-0.34=

6.7+0.5=5.7+3.9=7.1+1.3=0.8+0.23=

8.3+0.8=2.7+1.4=91.6+4=0.51-0.17=

4.7+0.8=6.7+3.2=8.2-1.6=0.9-0.45=

9+0.4=7.3+2.9=49.3+1=0.69-0.23=

二、笔算。

9.66+0.35=34.31-8.54=8.05+5.38=51.7+11.9=

7.07+5.82=57.92-3.15=2.21+0.85=53.95-4.98=

1.42-0.96=48.01-3.78=9.55+1.13=90.8+28.8=

9.66-6.95=51.82-5.28=7.43-0.33=29.41-7.28=

一、口算。

1.8-0.7=7.5+0.3=69.4+1=0.74+0.45=

6.1+0.2=5.6+2.7=6.3+3.4=0.77-0.31=

8+0.4=5.7+6.4=13.3+7=0.91+0.43=

1.6-0.8=9.8+3.9=6.6-4.7=0.85+0.33=

2.7-0.3=2.6+2.4=43.1+4=0.6-0.04=

二、笔算。

2.61+0.25=38.38+1.81=9.15+2.36=68.6+19.6=

7.46-2.77=67.63-4.56=1.61-0.3=54.51-9.32=

2.4-0.03=11.56-8.53=9.03-3.25=72-31.1=

8+4.65=71.72-3.75=2.68-0.89=24.89-2.7=

一、口算。

8.6-0.7=4.4+6.6=28.9-6=0.63+0.19=

6.3+0.2=8.2+2.9=8.1-5.2=0.87-0.46=

5.2-0.4=1.8+6.2=45.9-8=0.82+0.32=

1.7-0.1=8.8-2.3=7-1.5=0.92+0.06=

8.2-0.9=5.9+7=36.1+8=0.81-0.13=

二、笔算。

4.83+0.54=95.26+5.41=8.3+4.02=58.2+21.7=

8.72+5.43=92.77+8.13=3.58+0.24=46.96+6.22=

3.17+0.67=44.63+5.23=7.82-1.38=82.9+29.5=

7.44-2.84=36.48-7.7=1.01-0.27=71.11-2.11=

一、口算。

5-0.3=0.8+3.1=35.2-4=0.5+0.06=

8.1-0.6=8.2+2.9=9.5-1.7=0.86+0.16=

1.7-0.1=5.1+3=28.8+9=0.86+0.25=

7.8-0.8=6.9-4.9=7.9+2.4=0.6-0.05=

8.8-0.4=8.6+2.7=73.7+1=0.95+0.35=

二、笔算。

9.64-0.57=54.59+4.32=7.4-5.18=69.5-22.3=

8.21+6.85=16.69+7.74=1.39+0.56=63.02+6.49=

2.88+0.79=63.36+4.32=9.06+2.39=67.8+34.2=

9.86+5.5=37.64+2.24=5.66-0.69=87.54-6.06=

一、口算。

3.5+0.7=3.8+6.1=58.3-5=0.76+0.12=

6.2+0.9=6.2+2.5=6.1+4.6=0.87+0.19=

6+0.2=2.4+3.4=64.2+9=0.79+0.13=

5-0.5=8.5-1.7=9.5-1.2=0.77+0.29=

1.7+0.6=0.4+9.7=29.7+6=0.82+0.07=

二、笔算。

6.84+0.4=40.23+5.29=8.28+1.18=88+46=

7.7-6.34=18.49+8.1=3.45-0.22=50.16-3.06=

8.37-0.04=11.87+8.45=7.75-6.15=52.8+16.9=

9.54-1.01=82.62+5.31=6.73-0.51=39.83+4.19=

一、口算。

7.9+0.4=1.9+4.1=79.9+4=0.82-0.43=

1.4-0.4=5.9+2.1=6.2+4.4=0.8+0.39=

6+0.2=9.9+8.2=38.3+3=0.62+0.19=

8.1-0.1=6.6+0.7=9.3-3=0.56-0.37=

5.6-0.5=2.3+0.6=64.2+4=0.55+0.4=

二、笔算。

8.44-0.1=81.57-9.53=9.53-2.37=99.7+49.9=

7.24+1.25=10.33-1.11=4.56-0.38=48.35+3.2=

3.9-0.96=71.66-3.9=8.33+3.19=60.6+5.9=

9.9+2.05=18.31+5.97=6.08-0.17=25.43+6.75=

一、口算。

2.7+0.8=6.2+5.8=13.6-3=0.56+0.05=

6.7-0.9=6.9-3.9=9.2+4.6=0.82-0.27=

5.4+0.6=5.5+3.4=87.8-5=0.78+0.07=

7.1+0.3=6.1-1.7=7.3+0.9=0.62+0.35=

5.4+0.7=2.2+0.6=15.7-1=0.56+0.06=

二、笔算。

4.4-0.14=51.32-8.27=8.68-1.57=52.7+5.6=

8.62-2.42=53.48+1.1=1.93-0.14=69.74+6.45=

5.27-0.75=20.95-1.44=8.69-3.8=69.1+47.7=

9.86-2.91=21.48+5.54=2.03-0.06=16.44+9.34=

一、口算。

7.2-0.3=4.8+7.8=41.8-5=0.55-0.45=

3.7-0.8=6.6+0.1=8.8+5.9=0.63-0.03=

3.5+0.3=0.5+8.7=31.5-7=0.62-0.26=

1.3-0.6=7.2+3.5=8.8+0.9=0.59-0.22=

1.6-0.6=9.3+2.7=76.7-8=0.79+0.29=

二、笔算。

7.94+0.52=30.68-1.62=8.4-3.2=71.9-26.1=

7.47+5.62=12.82-1.4=8.85+0.27=85.27-6.49=

1.57-0.37=50.58-8.49=7.25-6.34=83.3-31.9=

8.52+1.14=52.77+3.86=4.24+0.21=74.71+6.33=

一、口算。

5.6-0.2=6.2+6.7=53.3-4=0.95+0.33=

7.7-0.3=5.1+1.5=7.4-4.5=0.82+0.45=

1.5-0.3=5.2+5.8=10.4+7=0.81-0.19=

7.4-0.6=8.9+3.3=9.6+3.4=0.84+0.03=

8.8+0.2=1.7+3.3=12.9+7=0.75-0.2=

二、笔算。

6.94-0.48=23.87-2.7=7.57+4.9=56.7-4.8=

7.49-4.4=12.9+5.15=6.99-0.08=71.63+3.38=

8.58-0.67=10.78-5.75=9.49+2.4=78.9+30.4=

8.51+1.45=49.1+4.43=6.01+0.13=94.4+6.98=

一、口算。

2.5-0.9=1.9+7.1=52.8-5=0.93+0.46=

6.8+0.6=6.5-1=8.5-5.1=0.79+0.29=

3.6-0.9=7.2+5.5=68.1-1=0.57-0.23=

7.5+0.6=7+3.6=6.8+0.6=0.99-0.49=

5.6-0.2=0.7+9.1=25.5-5=0.58+0.11=

二、笔算。

7.58+0.21=35.54-6.64=8.44+1.01=61.5+8.9=

8.85-6.96=58.92+4.19=1.82-0.37=51.8-7.09=

1.66+0.34=52.9-2.99=9.53+2.17=85.3+43.6=

8.62-3.5=46.8-2.29=1.02+

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