四年级数学下册小数加减法专项练习题35.docx

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四年级数学下册小数加减法专项练习题35.docx

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四年级数学下册小数加减法专项练习题35.docx

四年级数学下册小数加减法专项练习题35

一、口算。

8-0.9=9.3+9.3=90.3+7=0.75+0.17=

4.7+0.3=5.4+1.2=7.7-2.8=0.98+0.4=

1+0.3=7.8+0.4=71.8+1=0.59-0.07=

3.4+0.5=5.1+0.8=9+5=0.81-0.3=

3-0.7=9.2+5.7=25.4+6=0.86-0.01=

二、笔算。

9.86-0.62=84.34+1.31=7.34-5.82=81.6-18.2=

8.25-2.47=33.53-9.28=3.85-0.08=49.31-1.63=

4.71-0.49=34.21+5.05=8.41+6.84=98.4+44.2=

8.12+1.01=49.39-3.3=1.29+0.15=75.81+9.46=

一、口算。

5.4+0.3=0.9+1.4=67.6-9=0.89-0.42=

6.2+0.5=9.6+1.7=8.6-4.6=0.82+0.12=

1.6+0.8=6.7+9.7=88.1+2=0.76-0.13=

8.8-0.4=9.8-3.1=8.5-5.3=0.93+0.13=

7.1-0.6=9.8+9.3=26.8-9=0.57-0.2=

二、笔算。

3.3+0.17=24.31-8.2=9.86-1.83=58.6+35.1=

9.73+3.26=41.97-3.61=2.47-0.52=11.21+4.62=

4.16-0.76=82.02-8.59=7.3+1.77=72.3-20=

9.31+3.76=77.37-4.23=6.7+0.99=64.06+8.46=

一、口算。

3.2-0.7=7.1+5=59.4-8=0.77+0.45=

2.5-0.6=9.4+3.4=9.7+4.6=0.98+0.47=

1+0.2=7.8+0.8=69.5+8=0.6+0.29=

3-0.6=7.3+4.2=7.2+2.3=0.96-0.06=

6+0.6=2.5+7.9=83.3-3=0.77-0.39=

二、笔算。

4.62+0.19=62.03+4.08=8.2-5.18=96.4-5.8=

7.29+2.22=81-8.59=2.35+0.78=62.06-3.22=

9.52+0.78=80.31-8.42=7.38+5.7=79.6-26.4=

8.4-5.5=25.03-4.81=1.41+0.2=59.03-9.96=

一、口算。

7.6+0.6=0.8+5.4=79.1-3=0.74-0.03=

4.1-0.2=8-0.3=8.7+3.1=0.84-0.44=

5.9+0.1=5.6+4.9=19.3+4=0.54+0.44=

6.8+0.4=7.8+1.3=7.4+2.2=0.96-0.08=

3.1+0.8=4.7+2.1=90.2+2=0.56-0.48=

二、笔算。

4.04+0.49=93.68-1.94=8.53+4.36=78.7+25.3=

9.81-6.1=92.58+6.41=5.34+0.37=53.22-3.98=

7.78-0.03=62.45-4.99=8.32-2.51=50.4+27.9=

8.86-4.86=49.18-6.97=9.43+0.67=43.03+8.12=

一、口算。

8.5-0.3=0.5+8.1=52.1-2=0.82+0.02=

2.2+0.2=6.9+3=6.9+1.3=0.6+0.47=

7-0.1=3.9+3.5=73.6+8=0.72+0.06=

4.7-0.4=9.1-0.8=6+3.4=0.91+0.1=

8.6-0.6=3.2+0.3=13.6+2=0.68+0.32=

二、笔算。

6.13+0.61=35.3-5.8=9.82+5.29=51.5+6.9=

9.31-2.39=99.37+4.97=1.67+0.34=90.63-9.73=

8.5-0.8=66.15-3.57=9.59-1.76=57.1+14.1=

9.87-4.85=55.65+7.07=2.65+0.53=22.24+7.69=

一、口算。

1.8-0.9=0.6+4.4=56.7+8=0.53-0.09=

5.1-0.5=8.3+1.9=6.3+5.4=0.66-0.08=

8-0.5=8.1+0.5=30.6-8=0.86-0.02=

5.7+0.7=7.5+2.4=6.2-3.5=0.54+0.18=

2.5+0.3=1.4+3.8=30.6-2=0.69+0.4=

二、笔算。

8.95-0.72=12.77-9.04=7.74-1.22=67-4=

7.15+5.86=21.4+3.62=7.32+0.42=29.57+2.08=

6.91+0.82=36.06-6.33=9.03+2.74=66.3-37=

7.35-5.82=90.61+6.81=6.43-0.42=22.88+2.49=

一、口算。

4.7-0.7=1.8+8.3=15.1+6=0.79+0.44=

8.1+0.2=5.1+0.9=7-5.5=0.82-0.35=

4.6+0.5=8.7+3.7=66.5+5=0.6+0.39=

2.2+0.4=9.9+0.3=7.3-2.6=0.91+0.43=

1.1-0.3=2.9+7.1=81.7-2=0.89-0.41=

二、笔算。

9.09+0.26=41.15+9.15=8.39-4.32=72.9-40.7=

8.98+5.48=61.5-9.34=4.17+0.76=10.83-9.19=

5.54+0.11=97.33-6.37=8.06-4.72=93.8+20.7=

7.63-2.58=20.79+9.17=8.25+0.08=51.93+5.02=

一、口算。

8.8-0.2=5.7+6.1=10.8+8=0.64+0.33=

6.9+0.1=7.2+2=7.4+4.2=0.56+0.16=

3.6-0.9=9+6.6=96.8-6=0.56+0.26=

8.7+0.1=7.8-3.4=9.6-1.5=0.59-0.14=

2.3+0.3=1.7+8.8=85.9-2=0.51+0.24=

二、笔算。

4.98-0.13=59.89+3.65=7.66-6.97=78.3-49.4=

9.06-5.55=14.53+8.63=5.95+0.56=36.35+3.76=

2.12+0.39=24.26-2.05=7.31+2.51=84.2+32=

7.78+1.03=81.65-4.69=2.84+0.45=45.05+6.22=

一、口算。

2+0.4=1.9+2.8=15.9+2=0.94-0.09=

2+0.5=9+2.5=7.3-5.5=0.92+0.17=

5.7-0.7=2+0.6=96.8-4=0.51-0.15=

3.6-0.9=8.1-3.5=9+5.5=0.52-0.18=

6+0.6=8+8.5=76.8+1=0.84+0.06=

二、笔算。

1.15-0.29=73.37-1.84=9.27+3.57=70.6+22=

8.67+6.97=36.99-5.37=4.45-0.02=18.47-2.96=

7.51-0.56=57.66+5.89=8.57+1.65=79-27.9=

7.61-4.17=99.11+6.44=8.64+0.17=56.24+2.65=

一、口算。

4.4-0.5=0.3+3=58.7-7=0.98-0.34=

5.7-0.1=7.7-3=9.8-3.1=0.63+0.39=

5.5+0.4=8.6+2.8=57.6-1=0.85-0.32=

1.3-0.4=5.3+2.4=9.9-3.8=0.6-0.29=

3+0.4=0.8+3.3=63.2-7=0.76-0.27=

二、笔算。

3.37-0.09=16.46+3.16=7.03-4.22=64.1-24.2=

7.25-2.43=37.13+1.01=6.56+0.05=20.74+5.87=

9.96-0.31=44.41-5.3=9.48+5.19=94.8+6=

8.67-5.72=56.68+1.6=6.92-0.94=10.39+6.3=

一、口算。

4.1+0.6=9.8+5.2=77.6-4=0.76-0.15=

7.1+0.8=6.6-1.5=7+2.1=0.77+0.05=

2.9+0.3=8.2+8.7=38.3-9=0.87+0.48=

6.3+0.2=9.9+2.7=6.8+5.8=0.55+0.35=

7.4+0.9=8.6+4.5=37.1-1=0.81+0.41=

二、笔算。

8.87-0.41=54.52+4.93=9.27-1.52=95.2-38.4=

7.36+1.14=35.49-1.32=5.01+0.83=37.56+1.37=

4.63+0.48=68.77-5.15=8.15-6.89=94.9-33.5=

7.36-3.75=48.74-1.78=2.74+0.97=60.47+3.79=

一、口算。

1.2+0.9=5.1+2.3=32.4-6=0.77+0.32=

9+0.7=7+0.4=7.7+1.8=0.96+0.41=

8.3+0.1=6.1+4.7=79.1+7=0.63-0.28=

4.2-0.7=7.7-4.1=6.7-2.8=0.82-0.12=

1.2-0.6=3.9+6.4=97.3+3=0.85+0.45=

二、笔算。

4.18-0.36=96.79+2.59=8.68-5.08=96.8+22.6=

7.03-5.09=46.15+8.07=5.01+0.92=48.92-1.09=

9.5+0.76=80.78+5.24=9.51+3.85=86.4-9.8=

8.25+3.26=71.71-9.61=7.2-0.64=46.24+2.98=

一、口算。

2.8+0.3=8.7+0.2=33.6+6=0.89-0.44=

7.5+0.5=7.3+0.5=8.7+5.7=0.64+0.29=

4.4+0.6=9+2.9=95.9+6=0.71+0.21=

5.4+0.6=9.8+0.8=6.9+2.7=0.61+0.09=

5.2+0.7=0.7+8.8=39.1-3=0.56+0.36=

二、笔算。

8.17+0.21=81.11-3.87=7.93-1.54=55-38.2=

9.39+3.53=95.03-2.51=4.94-0.75=88.73-6.98=

1.44+0.76=88.6-2.79=7.7-4.78=50+6.6=

8.68+4.64=85.66+1.17=8.83-0.07=84.64-3.39=

一、口算。

6.2+0.8=7.9+5.2=78.1+4=0.58+0.43=

8.6+0.3=6.4-1.9=7.3+5.7=0.72+0.31=

1.9-0.1=3.9+3=45.7-7=0.52+0.29=

3.2-0.5=9.2+2.4=9.6-3.4=0.78+0.1=

1.2-0.4=4.1+9=77.6+9=0.51+0.2=

二、笔算。

5.62+0.7=37.41+2.37=9.75+1.91=60.6+27.5=

8.99-5.12=54.32+3.95=1.39+0.5=33.6+3.4=

7.33-0.23=19.64-1.01=7.2-3.77=93.3-44=

8.77-2.78=85.08+3.45=7.06-0.86=50.66-6.45=

一、口算。

2.1-0.5=8.9+8.5=38.7-8=0.53+0.49=

8.1+0.5=8.1-0.8=7-0.3=0.94-0.3=

5.9-0.5=5+2=65.7-5=0.83+0.1=

4.5-0.8=5.4-2.7=8.3-5.9=0.85-0.2=

2.7-0.7=7.4+6.8=43.2-3=0.75-0.37=

二、笔算。

5.48+0.62=38.76+7.06=7.45-4.16=94.4-10.9=

9.67+1.73=75.44+9.2=2.7+0.25=99.23+4.76=

7.85-0.21=35.51+9.19=9.27+1.9=68.1-10.7=

8.85-3.02=13.72-3.35=8.85-0.09=56.79+5.97=

一、口算。

4.3-0.3=0.3+0.2=57.8-6=0.61-0.04=

4-0.6=8.4-0.4=8.8+3.9=0.59+0.38=

5.6-0.8=7.4+1.8=71.8+2=0.65-0.46=

3.4+0.8=6.3-0.2=8.8-1.1=0.9-0.07=

8.4+0.8=0.2+9.8=43.8+5=0.88+0.16=

二、笔算。

4.51+0.25=11.17-9.59=9+2.2=80.9-16.3=

8.81+5.71=74.05-9.2=8.42-0.07=88.81-3.94=

9.72-0.62=76.28-8.2=8.62-3.09=98+7.5=

7.7-3.29=42.91+9.37=2.06+0.04=82.47-9.25=

一、口算。

5.2+0.1=3.7+2=94.8-9=0.93-0.08=

8.6+0.5=5.4-4.8=6.1+5.8=0.88-0.34=

2.6-0.6=7.8+1.4=22.9-1=0.5+0.26=

6.1-0.6=8+0.3=9.6+3.5=0.95-0.01=

2.4+0.6=5.9+7.8=97.3+4=0.61-0.48=

二、笔算。

6.81-0.25=48.59-6.19=8.48+3.92=78.9+38=

7.49-4.39=24.81+1.99=4.83+0.76=61.83-4.77=

5.07+0.68=90.17-7.13=8.44+1.65=85.3-30.9=

8.41-3.4=38.98-6.39=9.27-0.22=96.8+1.66=

一、口算。

6.1-0.6=7.5+9.1=38.9-2=0.76+0.28=

5.9+0.3=8.2-1.2=7.9-4.9=0.63-0.22=

1.2+0.6=7.3+8.9=26.5-9=0.9+0.35=

4.7-0.7=8.6-0.4=7.4+1.2=0.93+0.47=

7.4+0.4=5.5+6.2=70.5+4=0.62+0.27=

二、笔算。

8.1-0.31=30.77+7.52=8.01-6.22=81.9-20.3=

9.11+3.53=16.5-6.83=4.31+0.6=71.27-9.38=

8.04+0.74=73.78+9.19=7.14-1.94=52-20.6=

8.3-1.91=76.85+2.05=8.17+0.07=41.06+6.65=

一、口算。

8.4+0.9=2.9+5.8=54.9+2=0.72+0.14=

8.4+0.9=9.9-2.4=8.3-1=0.77-0.05=

5.7+0.8=6.4+8.4=57.5+5=0.73+0.21=

7.9-0.7=9.5-3.8=7.4+3=0.6-0.04=

6.6+0.4=3.9+8=92.3-3=0.67+0.31=

二、笔算。

1.56+0.78=11.68-6.5=7.36-5.34=89.5+8.2=

9.25+4.16=52.63-8.8=6.97-0.05=27.53-5.84=

8.83+0.64=66.54+2.86=8.65-3.46=97.3-12.3=

8.71+3.77=97.57+7.36=8.92-0.24=55.2-3.15=

一、口算。

2.4+0.3=9.1+3.3=41.9-7=0.56-0.38=

3.7-0.8=7.1+1.8=6.4-0.1=0.65-0.43=

7.7+0.8=8.9+1.7=45.3+9=0.99-0.19=

6.1+0.1=6.9-0.4=6.5-2.4=0.55-0.04=

3+0.9=7+9.2=74.6-9=0.92+0.22=

二、笔算。

8.09-0.26=13.84+3.18=9.12-2.56=54.4-35.5=

7.77+4.9=94.25-4.18=6.13+0.32=28.24-5.06=

8.01-0.1=98.54-6.98=9.3-6.72=91.9+11.2=

7.84+4.24=56.19-2.03=8.25-0.04=34.33-8.86=

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