四年级数学下册小数加减法练习题精选37.docx

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四年级数学下册小数加减法练习题精选37.docx

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四年级数学下册小数加减法练习题精选37.docx

四年级数学下册小数加减法练习题精选37

一、口算。

3.1-0.7=1.1+8.1=22.8-7=0.53+0.48=

2-0.3=5.4+0.7=8.1-4.3=0.87+0.23=

1+0.2=7.3+3.2=76.7+5=0.91+0.49=

6.2-0.7=9.3+1.7=8.7-2.4=0.96-0.09=

3.5-0.9=7.5+9.4=76.5+4=0.78+0.22=

二、笔算。

3.21-0.64=32.56-5.76=9.24+1.68=74.4+11.6=

9.46+2.37=26.52+7.52=4.65+0.35=73.36-3.68=

2.06+0.88=19.1+3.43=8.83+4.02=50.5+19.4=

7.37+1.87=30.16+6.85=3.49-0.89=37.48-7.25=

一、口算。

5.5+0.2=7.6+1.6=72.5+3=0.83+0.26=

1.1+0.4=6.4+4.6=8+3.6=0.75-0.3=

4.6-0.9=5.6+9.1=29.2+4=0.76+0.13=

5.5-0.4=9.3-2.9=8.3-0.8=0.52-0.28=

8.9+0.8=7.7+7.1=36.3+2=0.86-0.35=

二、笔算。

7.83-0.15=75.29+4.07=8.92-3.07=74.1+2.7=

7.52+1.96=37.22+2.86=7.44-0.9=29.69+3.02=

2.63+0.03=63.14-8.25=7.31-3.4=73.6+26.1=

9.4+2.32=69.59+1.91=6.28+0.85=72.17+6.82=

一、口算。

7.5-0.2=9.8+5.2=91.3-7=0.69+0.45=

7.9-0.9=9.4+4.6=8.6+3.1=0.58+0.32=

5.1-0.5=1.2+2=15.6-7=0.76-0.09=

5.6-0.1=5.5-2.9=6.9-0.5=0.84-0.17=

2.3-0.1=0.6+8.7=43.3-3=0.72-0.47=

二、笔算。

8.18+0.2=81.88+7.04=9.67-4.49=85.1-28.3=

8.01-5.05=68.75-4.11=3.7+0.58=32.66-8.15=

7.87-0.05=24.67+8.99=9.32+6.89=60.4-5=

9.82+5.13=27.77-9.91=1.65-0.41=71.48-7.74=

一、口算。

5.3-0.8=1.5+9.4=19.2+8=0.79-0.24=

1.3+0.8=8.4+1.8=7.8-4.9=0.93-0.27=

8.9-0.6=3.7+7.3=68.1-8=0.7-0.08=

2.1-0.6=9-3.8=8.2-0.9=0.64-0.11=

6.6+0.9=7.9+2.3=63.9+2=0.83-0.26=

二、笔算。

2.82+0.37=13.39+9.66=9.35-5.46=80.7-24.6=

7.02-5.47=10.43+9.47=2.68-0.06=60.64-7.53=

1.61-0.74=39.04-9.86=9.13-5.07=77.3-45.2=

8.59+6.49=71.16+5.35=5.48-0.68=56.22+3.54=

一、口算。

2.2-0.4=3.7+3.1=92.6-8=0.65-0.36=

1-0.5=9.4-1.6=8.2-1.2=0.71+0.15=

8.8-0.4=5.6+4.1=30.1+1=0.75+0.47=

1.7-0.8=6.3-2.7=7.7-2.6=0.64+0.09=

8.8+0.3=7.3+9.6=46.8+8=0.61-0.35=

二、笔算。

3.32-0.4=59.29+1.81=9.96+6.29=54.4+21=

7.31-6.85=74-4.42=9.98+0.33=52.58+6.37=

6.92+0.51=70.02+6.35=7.29-1.42=58-40=

9.5-2.32=66.78-5.45=6.01-0.42=59.62+5.68=

一、口算。

1-0.9=3.1+3.1=68.7+2=0.56-0.41=

5.6-0.5=5.2+0.1=8.5-5.7=0.73-0.27=

8.6+0.4=1.2+7.5=74.8-2=0.58-0.25=

2.5-0.4=6.2+2.9=6-0.8=0.55-0.27=

2+0.4=3.4+4.9=83.8-2=0.59+0.26=

二、笔算。

4.72+0.41=65.36-4.41=9.75+3.07=56.2+7.7=

8.92-4.34=43.91-8.34=7.62+0.71=34.12+9.02=

8.41+0.52=11.59-3.2=9.91+3.3=88.7-32.5=

8.58-2.11=25.41+9.57=8.91+0.14=34.92-9.62=

一、口算。

2.5-0.7=0.3+7.3=21.1+3=0.95+0.34=

4.3-0.1=5.8-4.8=8.3+5.5=0.74-0.4=

6.7+0.2=5+8.6=19.4-6=0.8+0.12=

5.5-0.3=8+0.1=9.8-3=0.58+0.03=

2.5+0.7=2.3+4.2=97.8-1=0.79-0.1=

二、笔算。

5.24-0.56=65.42-3.57=8.23-4.04=71.9-36.3=

9.91+2.99=53.36-3.02=3.02+0.82=84.76+6.68=

4.06+0.68=10.05-9.98=7.29-3.6=65.7+23.1=

7.78+2.77=78.55+2.48=4.8+0.23=50.58-3.17=

一、口算。

3.7-0.5=4.6+8.2=78.2-3=0.58-0.25=

5-0.5=7.8-4.9=8.6+1.6=0.85+0.31=

3.1+0.3=3.1+3.1=82.6+6=0.77-0.15=

2.8-0.9=5-3.9=6.4+5=0.66+0.46=

2+0.9=4+7.6=74.6+5=0.98-0.02=

二、笔算。

8.34-0.09=97.09-6.74=7.87-4.18=80-34.7=

7.47+3.03=77.19-4.83=9.34-0.29=70.93+4.02=

7.69-0.28=66.72-3.13=8.43-6.43=93.4-42.6=

7.32-5.63=48.69+1.35=6.2-0.63=26.76-8.5=

一、口算。

4.9+0.6=3.3+4.4=90.1+9=0.95-0.08=

3.2+0.1=5.1-4.6=9.2+2.8=0.93+0.3=

1.6+0.9=7.1+4.8=20.1-2=0.64+0.27=

1.2+0.7=5-0.2=8.7+1.7=0.86-0.49=

4.4-0.6=2.9+3.9=86.1+2=0.95+0.2=

二、笔算。

3.08+0.29=76.48+5.85=9.43+6.42=65+45.1=

9.64+4.55=37.66+3.23=7.46-0.64=15.13-7.99=

6.02-0.8=28.84+1.05=8.33-3.76=75+10.1=

9.07-1.84=40.91+6.45=4.99+0.53=23.08-8.59=

一、口算。

2.9+0.5=1.6+5.8=79.3-2=0.94+0.05=

1.3+0.2=9.3-3.1=6.7-1.5=0.87+0.05=

7.2+0.2=7.8+8.2=77.4+7=0.82-0.24=

5.8-0.4=8.6-3.7=7.7+0.9=0.57-0.42=

7.9-0.6=6.9+6=17.2-7=0.69-0.17=

二、笔算。

2.1+0.98=72.42+1.42=8.53+1.97=75.3-38=

8.22-2.87=78.74-2.66=8.56-0.25=23.64+5.51=

2.25+0.19=66.36-9.01=9.46-5.34=68.2+1.3=

8.9+5.96=29.48-7.35=2.02+0.15=61.45+1.27=

一、口算。

7.1-0.5=1.7+5=18.1+4=0.91-0.44=

4.1+0.8=7.8-3.9=6.9+1.4=0.93+0.39=

2.6+0.4=6.5+6.8=36.6-2=0.68-0.4=

2.7+0.6=9-1.9=8.4+5.7=0.93+0.4=

1.1-0.1=2.9+3.7=32.2+7=0.74-0.06=

二、笔算。

7.07+0.52=13.26+8.23=7.46-3.11=70.1-9.9=

9.16-2.27=91.48-3.38=2.89-0.27=68.07-8.02=

2.15-0.75=53.85-5.93=8.73+2.75=83+9.5=

7.32-3.51=74.71+7.43=7.61-0.55=83.69-4.99=

一、口算。

5-0.4=3.5+4=13.8+6=0.8-0.27=

3-0.4=5+2.1=8.5+5.1=0.96+0.24=

9+0.2=4.8+3.4=33.2+4=0.87-0.26=

1.9+0.5=7+2.7=9.6-1=0.58+0.46=

5.6+0.4=7+4.7=45.7+1=0.6-0.26=

二、笔算。

4.6+0.87=36.98-6.09=9.75-3.84=93.9-44.5=

9.68+3.12=67.36+6.14=7.23+0.84=14.44-9.19=

9.99-0.02=29.9+2.34=8.17+1.43=50+28.8=

8.16+1.31=36.48-5.28=5.98+0.98=25.08+6.45=

一、口算。

3.4+0.4=4.1+9.3=23.3+1=0.74-0.03=

4.6+0.4=6.4+0.6=8+1.5=0.73-0.1=

6.5+0.1=4.8+8.6=76.6-6=0.9+0.08=

7.1+0.6=7+1.8=6.1+1.6=0.98+0.37=

5.4+0.1=3.3+9.6=51.5+4=0.95-0.06=

二、笔算。

3.4+0.65=34.53+4.34=8.82-6.54=99.5+36.4=

9.32+4.68=54.57+7.1=2.87-0.75=72.66-8.71=

1.35+0.01=14.88+7.28=8.4-1.62=75+12.5=

9.83+4.92=61.38-6.29=2.62+0.28=95.01+2.43=

一、口算。

5.6+0.9=7.8+1=91.1+7=0.58-0.01=

6.8-0.5=8.5+2.7=7.5+2.5=0.69-0.17=

6.2-0.2=2.1+4=35.2+1=0.68+0.2=

6.3+0.6=7.1+3.8=9+5.8=0.81-0.09=

6.4-0.8=4+4.2=20.2-7=0.59+0.45=

二、笔算。

8.13-0.9=94.13-2.24=7.51+4.54=68.3-48.2=

7.37-2.82=92.44+8.86=6.26+0.21=23.07+8.36=

6.25-0.23=65.65+4=7.53-4.01=85.6+19.7=

8.76+3.44=53.48-5.98=2.06+0.39=18.11-5.85=

一、口算。

2.4-0.8=7.7+8.2=82.1-1=0.75+0.43=

5.8+0.4=8.7-0.5=9.7-3.4=0.88+0.35=

4+0.1=1.9+2.2=78.4-4=0.96-0.19=

4.6-0.2=7.7-3.8=7.1+1.9=0.82+0.19=

3.1+0.2=7.7+0.4=49.9+3=0.76+0.08=

二、笔算。

7.02-0.13=85.01-7.42=8.47+2.65=85.1+17.7=

7.69+1.12=58.83+8=6.59-0.39=22.76-6.02=

3.76-0.58=21.13-3.02=8.36+3.74=54.1-8.9=

9.67-6.37=34.46-1.59=4.71+0.88=69.2-7.47=

一、口算。

2-0.8=1.2+0.5=87.4-9=0.57-0.49=

4.5+0.2=5.5-2=9.1+0.3=0.91-0.24=

8.7-0.4=8.3+2.6=59.7-4=0.64-0.25=

6.2-0.1=7.3-2.2=6.6-5.7=0.67+0.49=

3.7+0.2=3.6+8.4=77.8+2=0.94+0.27=

二、笔算。

3.63+0.38=11.99-7=7.95-6.01=80.9+10.7=

8.48+3.83=45.63+2.39=7.91+0.9=61.65-6.56=

8.78-0.08=88.51+2.55=8.85-1.88=87.2-20=

9.35-5.71=13.22+4.29=4.43+0.47=53.15-6.3=

一、口算。

8.1-0.9=5.8+7.3=39.6-5=0.96+0.49=

1.9-0.2=9.6+4.5=8-4=0.78+0.44=

5.4-0.6=8.2+3.8=22.8+8=0.5+0.12=

6.6-0.6=9.2+3.7=7.3-5.5=0.63+0.38=

3.7+0.1=8+5.8=18.3-7=0.76+0.26=

二、笔算。

9.18+0.02=61.78-2.08=8.69+2.51=64.5+47.8=

7.83-5.02=83.72-5.49=7.51+0.9=76.01-8.5=

9.5-0.13=21.01-7.36=9.83+6.3=50.4-18.3=

8+6.53=98.91-9.87=7.26+0.12=53.69-6.99=

一、口算。

3.8+0.5=9.2+1.6=22.2-9=0.67+0.15=

2+0.9=7.6+0.2=8.2+5=0.84-0.17=

8-0.3=9.3+4.2=20.4+7=0.99-0.25=

8.3+0.5=7.9+2=8.6+1.3=0.54+0.09=

1.3+0.3=2.8+4=70.6-7=0.72-0.42=

二、笔算。

7.54-0.8=49.97+8.5=8.46+2.3=91.1+33.7=

7.4+3.17=91.33+2.53=4.61-0.74=58.45-2.9=

5.37-0.89=16.12-2.78=8.6-2.73=57.6-30.6=

8.96-5.46=90.2+5.9=9.41+0.95=64.93+6.84=

一、口算。

8.2-0.2=7.3+1.9=46.4+6=0.83-0.45=

7.4-0.3=7.6-3.4=6.6+3.2=0.5-0.3=

8.7-0.7=5.9+4.1=31.7-6=0.87+0.05=

3.8-0.2=6.2+1.6=7+3.4=0.51+0.4=

7+0.8=3.1+6.7=50.9-6=0.79-0.19=

二、笔算。

5.25-0.83=90.11+3.05=8.15+5.26=97+31.3=

7.97+1.34=71.17-6.42=1.04-0.09=71.38-4.12=

4.47+0.79=99.33+5.01=8.67+3.1=67.2+27.6=

8.96-5.88=10.99+1.11=4.88+0.75=88.69+1.35=

一、口算。

1.3-0.5=2.4+1.9=23.3+6=0.74+0.34=

4-0.7=8.6-4.7=6.4+2.1=0.63+0.36=

8.5-0.7=8.7+1.8=79.8+3=0.59-0.35=

7.9-0.8=9.4-3=8.9-3.3=0.68-0.32=

4.3+0.4=4.2+1.4=30.4+8=0.91+0.03=

二、笔算。

1.2+0.71=47.54+6.99=8.84+5.18=69.9+22.9=

8.21+3.59=47.52-3.36=2.26+0.42=60.75+1.74=

4.93+0.66=53.46+3.64=7.21-1.61=96.7+4.7=

8.88+2.17=50.93-7.76=8.07-0.46=64.45+3.49=

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