四年级数学下册小数加减法练习题精选48.docx

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四年级数学下册小数加减法练习题精选48.docx

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四年级数学下册小数加减法练习题精选48.docx

四年级数学下册小数加减法练习题精选48

一、口算。

1.4-0.2=0.7+3.7=23.5+6=0.58-0.29=

2+0.6=7.8+3=9+0.3=0.98-0.08=

8.7+0.6=3.9+2.7=88.7+2=0.69+0.12=

4.4-0.5=9.4+1.2=7.8+4.4=0.52+0.49=

1.1-0.3=6.9+4.2=31.5-9=0.53+0.28=

二、笔算。

9.14+0.03=15.98-4.22=7.88+4.57=92.3+20.5=

7.77+2.4=94.76-5.59=4.33+0.83=71.37-1.97=

4.6+0.95=21.81+9.46=8.76+4.82=62.8-24.7=

9.32+1.62=10.59+3.84=5.05+0.45=32.92-3.12=

一、口算。

4.3+0.8=5.8+8=19.3-1=0.78+0.13=

2.1+0.4=5.4+2.2=6.8-3.2=0.96-0.29=

2.7+0.6=2.6+7.9=32.6-3=0.75+0.31=

5-0.7=6-3.2=6.5-2.8=0.97+0.46=

8.9-0.8=3.8+8.3=11.3+1=0.53-0.38=

二、笔算。

5.1-0.33=99.29-3.94=7.14-4.23=66.7+17.5=

7.77+2.08=73.9+1.39=2.44+0.76=20.2+2.46=

6.73+0.52=21.4+6.62=7.65-1.73=71+14.7=

7.12-3.82=38.35-6.47=2.67+0.68=26.22-5.71=

一、口算。

4.6+0.9=6.3+7.8=69.7-5=0.5+0.44=

6.6+0.6=7.3-1.5=8.3-4.1=0.77+0.13=

8+0.3=5.5+8.1=75.8-8=0.96-0.16=

6.3-0.6=7.1+0.9=6.7+3.4=0.72-0.09=

8.6+0.1=2+7=92.4-8=0.77-0.22=

二、笔算。

3.97+0.66=32.47-4.75=9.97-4.88=87.7-37.4=

8.09-4.44=29.92+2.11=5.55-0.84=73.15+5.29=

5.46-0.12=14.36+4.86=8.18-2.4=69.9-7.1=

8.7-3.16=41.32+2.05=4.86+0.93=82.47-4.69=

一、口算。

1.3-0.1=8.8+0.8=82.9-4=0.81+0.15=

4.1+0.1=8.8-4.5=6-0.5=0.75+0.23=

5.3+0.7=2.8+5.7=76.5-1=0.7+0.14=

2.2-0.6=6.8-2.7=9.3+3.3=0.69-0.05=

4.4-0.3=2.8+1.7=56.2-5=0.69-0.31=

二、笔算。

2.32+0.96=73.83+3.06=7.75+4.87=66.4+38.2=

7-2.51=53.93-8.95=6.61+0.64=26.61+4.44=

9.15-0.09=95.98-9.15=8.87-1.44=83.9-34=

8.02+5.12=63.45-6.68=4.58-0.19=24.81+6.67=

一、口算。

9-0.8=1.4+0.1=62.4-2=0.56+0.2=

8.1+0.9=6.9-4.9=9.9+4.4=0.69+0.12=

4.3+0.9=4.6+1.1=11.3-2=0.99+0.08=

2.2+0.3=7.4+4.8=7.8-4.9=0.98+0.07=

6.5-0.7=1.4+4.6=55.6-5=0.68-0.3=

二、笔算。

4.22-0.19=66.59+6.07=7.89+4.21=93.1-23.4=

9.49+2.14=13.81-4.11=4.71-0.48=10.29+3.49=

2.91-0.22=42.37+7.61=9.86+3.54=61.8+25.8=

7.83-3.42=43.71+3.79=4.59+0.55=36.62+1.32=

一、口算。

2.7-0.7=4.7+8.6=77.8-7=0.64+0.42=

2.4-0.5=5.6-4.4=8.1+0.2=0.68+0.41=

6.5-0.1=3.2+9=42.3-5=0.64+0.24=

7.4-0.9=8.7+2.9=9.9+4.8=0.53+0.03=

3.7-0.9=1.9+0.1=77.4-8=0.57-0.4=

二、笔算。

8.81-0.34=32.58-6.29=7.63+3.51=85+31.1=

8.11-5.46=62.02-6.28=3.37-0.87=54+3.53=

9.01-0.4=44.47+8.69=8.88+6.99=78.2+25.7=

8.2+6.08=76.41+9.09=5.06-0.54=73.66-6.36=

一、口算。

1.2+0.9=5+7.7=34.6-8=0.69+0.27=

2.1-0.3=9.1-1.7=8.5+0.3=0.7+0.15=

8.9+0.9=6.1+4.9=90.1-7=0.55-0.31=

6.6-0.9=9.5+0.8=9.3+4.7=0.62+0.24=

6.8+0.6=8.7+0.2=20.1-5=0.8-0.3=

二、笔算。

2.29+0.28=68.72-2.89=7.47-1.69=93.6-7.5=

9.08+1.35=76.66-8.89=6.59-0.6=15.43-6.24=

1.14-0.87=45.78+4.12=7.41-2.46=86+29.6=

8.24-1.43=28.68+2.87=3.86-0.63=70.75+5.2=

一、口算。

8.8+0.4=5.6+6=15.6-8=0.71-0.44=

8.8-0.1=5.9-2.8=9.2-2.3=0.63-0.17=

7+0.6=0.3+7.1=50.2+2=0.64+0.02=

6.4+0.8=7.2+4.3=7.4+0.3=0.56-0.41=

7.4-0.3=0.5+4.5=89.7+2=0.57+0.08=

二、笔算。

7.77+0.85=56.63-8=8.65+1.4=53.9+49=

7.81+1.05=86.34+6.1=8.15+0.87=27.26-5.14=

8.1+0.95=11.89+1.35=9.19+5.09=52.2-37.9=

7.48+6.57=13.84+2.98=6.24-0.7=74.22-8.22=

一、口算。

2-0.1=8.3+0.7=70.6-9=0.64+0.47=

1.6+0.5=9.4+3.5=8.9+0.5=0.63+0.15=

6.1+0.6=6.8+5=22.9+8=0.54-0.4=

1.5-0.8=9.6-1.8=7.8+4.3=0.5+0.47=

5+0.3=2.6+7.5=10.8-6=0.61-0.18=

二、笔算。

5.09+0.72=80.51+7.95=8.21-1.81=98.3+4.9=

7.16-4.27=73.51-3.28=3.55+0.53=65.67-7.08=

2.53+0.58=24.25+3.76=7.33-1.91=69.3+6.8=

8-3.65=17.46-2.14=8.6-0.16=55.28-5.91=

一、口算。

4.2+0.3=3+1.1=58.9-4=0.6+0.13=

7.7+0.4=6.7+4=7.8+3.3=0.64+0.26=

6.8+0.3=1.8+8=19.4-6=0.88+0.49=

2.7+0.9=8.1+0.9=6.6-2.9=0.74-0.21=

7.3-0.4=9.8+3.5=92.6-4=0.95+0.08=

二、笔算。

5.62+0.61=77.22+2.16=7.43-4.63=91.7+48.7=

7.9-4.97=18.85+2.85=4.06+0.4=73.39-5.38=

2.04-0.21=70.66-7.03=8.3-1.01=94.1-44.3=

9.49-6.83=94.26-3.39=9.02+0.39=63.63-1.18=

一、口算。

4.8+0.2=8.3+1.3=98.5-7=0.55-0.03=

4.2+0.3=9.5-4.4=6.7+0.4=0.87-0.22=

6.9-0.5=1.5+6.5=17.1+3=0.5-0.26=

1.1+0.2=5.3+2.6=7.1-2.3=0.65+0.3=

6.6-0.5=1.5+8.7=76.9-7=0.59-0.01=

二、笔算。

4.25+0.65=57.06-2.01=7.9-6.9=67.7+48.7=

8.75-2.7=68.48+9.92=3.35-0.79=33.06+5.73=

9.48+0.4=12.38-5.98=7.09+1.82=63.2+48.8=

9.4-2.38=11.51-8.45=1.09-0.36=84.29-1.44=

一、口算。

1-0.8=5.6+7.3=75.5-2=0.53+0.08=

5.3-0.4=9.7-0.5=9.3+0.8=0.74-0.12=

1.7-0.3=1.5+7.3=99.7-2=0.8+0.23=

6.5+0.9=6.9+3.4=6+4.4=0.63-0.22=

7.9-0.8=9.6+7.9=74.1+1=0.82+0.45=

二、笔算。

2.85-0.67=75.36-8.48=8.44+6.78=85.5+18=

9.49+2.91=54.74-7.15=5.86+0.58=24.6+6.79=

2.24-0.84=27.13-5.44=9.54+5.56=78.2-48.4=

7.73+1.64=41.45+1.39=4.97+0.38=58.1-2=

一、口算。

4.8+0.3=1.6+7.1=43.9-6=0.54+0.27=

7.4+0.8=5.9+3.8=8.3-2.8=0.64-0.05=

1-0.6=6.3+0.5=49.5-5=0.53+0.21=

5.2-0.5=7.7-4.7=9+4.5=0.73-0.37=

6.1-0.2=0.3+2.7=44.7+8=0.8-0.11=

二、笔算。

2.73+0.61=46.37+1.11=9.07-5.08=69.7+41.6=

7.72+5.27=79.76-2.93=9.49+0.81=43.57+8.03=

4.4-0.11=57.06+2.84=8.84+5.49=75.5+3=

7.74-5.7=63.76-6.84=3.76+0.13=91.82+1.7=

一、口算。

4.7-0.7=3.9+7.8=46.3+7=0.93+0.38=

2.2-0.5=7.6+0.3=7.9+3.9=0.91-0.08=

8.2-0.9=1+4.1=14.1-8=0.77+0.25=

4.9-0.4=5.7-4.2=6-2=0.63-0.35=

5.6-0.6=6.3+9.8=71.7-8=0.75-0.22=

二、笔算。

5.45+0.88=42.44-7.95=7.55+6.52=66.2+41.9=

9.52-4.82=95.19+2.9=9.35-0.5=13.14-4.45=

9.04-0.78=72.81-7.34=7.33-5.31=74.4-8.8=

8.77-2.35=33.97-4.97=7.92-0.05=78.74-4.36=

一、口算。

1.2-0.7=8.1+1.6=84.9+6=0.91-0.26=

1.7-0.6=5.5+0.3=9.9-4.9=0.79-0.4=

6.4-0.8=5.4+4.9=99.9-1=0.75-0.37=

2+0.7=9.3+3.7=6.2-1.4=0.52-0.05=

5.9+0.9=2.5+0.5=32.5-4=0.53-0.36=

二、笔算。

6.18+0.02=71.88+1.04=7.41+3.64=79.4+16.5=

8.64-3.51=43.89+8.71=3.9+0.98=97.7-3.62=

6.73-0.29=31.39-3=7.05-6.02=96.7-48.9=

7.77+6.82=27.82-7.05=5.76-0.5=16.15-6.91=

一、口算。

2.1-0.5=4.6+0.2=69.2+9=0.77-0.21=

4.1-0.8=9.8+3=6.3+2.1=0.74-0.47=

3.4-0.7=9.6+9.8=83.1-6=0.94+0.39=

2.1+0.3=5.7+4.5=9.6+2.2=0.73+0.47=

7.5-0.9=9.1+3.1=65.5+1=0.97-0.04=

二、笔算。

4.47+0.04=44.07-1.44=8.92-1.09=77.8+4.7=

9.92+1.88=16.21+5.96=7.46+0.95=64.14-2.39=

7.25-0.67=47.1+6.35=7.07+2.95=66.9+27=

7.12-6.71=90.64-8.43=7.32+0.59=27.05+5.84=

一、口算。

1.4+0.4=2.9+0.7=70.6-6=0.64+0.2=

4+0.5=9.1+0.2=8.4-0.6=0.76-0.36=

8.2+0.1=7.5+8.7=11.7+8=0.74+0.22=

4.5-0.8=8.4-1.2=8.1+3=0.52-0.34=

6.4+0.7=6.9+2.6=23.1-8=0.82-0.16=

二、笔算。

6.68-0.75=33.54+3.85=9.81-1.99=67.6+25.6=

8.98+1.37=42.61+1.25=9.9-0.53=16.15+1.36=

6.89+0.22=27.12-1.63=7.77+5.7=83.6+12=

7.25-4.69=79.56-6.45=5.61+0.27=21.8-8.93=

一、口算。

2+0.9=9+5.8=90.7+2=0.78-0.09=

7.8+0.5=9-4.8=7.6+0.7=0.57+0.46=

5.5+0.1=7.8+9.3=95.8-7=0.64-0.15=

7.4-0.5=7.5-1.2=9.8+2.4=0.8+0.47=

6.5+0.5=6.8+6.5=50.4-2=0.6-0.15=

二、笔算。

5.16+0.95=75.18-6.47=8.78+6.33=51.6-39.2=

7.29-3.51=49.79-9.39=7.25-0.46=58.33-9.85=

1.81-0.67=43.37+3.57=7.14-4.38=62.4+9.7=

9.15-4.75=30.15-2.39=2.91-0.58=88.54-7.8=

一、口算。

7.4+0.5=6+3.4=65.3+1=0.97-0.08=

6.1-0.4=6.2-2.9=7.6+5.6=0.97+0.39=

5.4-0.5=4.8+9.4=71.5+5=0.89-0.42=

8.6-0.8=9.3-3.9=8.7+1.7=0.85-0.34=

6.2-0.5=9.2+8.2=60.8-8=0.59+0.03=

二、笔算。

6.05+0.21=70.13-8.92=9.26-1.26=56.7-37.5=

7.63-3.09=88.35+5.19=3.26-0.93=69.8+4.09=

4.65+0.38=67.05+9.1=9.47+4.61=65.2-33.3=

7.66-1.2=42.07-5.12=9.96+0.5=80.9+8.38=

一、口算。

3.4-0.8=9.6+6.5=86.5-8=0.58-0.02=

3.8+0.6=5.7-4.3=8.8+2.2=0.84-0.26=

2.5-0.8=3.3+2=93.7-3=0.52-0.09=

8.4-0.6=5.2+1.2=6.4+1.5=0.97+0.22=

7-0.3=3+6.4=13.2-9=0.5+0.35=

二、笔算。

4.74+0.84=98.73+9.52=9.78-1.11=97.4+47.7=

9.92+6.92=88.37+2.03=5.62-0.49=92.05-6.89=

7.81+0.22=22.54-7.03=8.29-1.39=64.2-20.5=

9.48+3.26=30.7-2.76=2.09-0.06=72.9+1.74=

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