四年级数学下册小数加减法练习题精选207.docx

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四年级数学下册小数加减法练习题精选207.docx

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四年级数学下册小数加减法练习题精选207.docx

四年级数学下册小数加减法练习题精选207

一、口算。

6-0.6=9.2+9.4=55.1-9=0.55-0.04=

3+0.5=8.5-1.5=9.1-4.8=0.6-0.03=

3.1+0.2=5.1+1.8=46.4+2=0.62+0.18=

6.1+0.4=5.8-3.7=9.1-5.5=0.82+0.39=

1.3+0.8=3.4+5.4=74.8-3=0.92+0.38=

二、笔算。

5.43-0.67=24.4-1.49=8.28-5.3=77.5+24.3=

9.28-1.75=12-8.27=3.45-0.84=24.88-5.7=

8.69+0.18=70.74+1.77=9.37-1.4=94-1.9=

7.42-4.28=24.65-5.8=5.37+0.7=34.96-7.95=

一、口算。

7-0.2=8.6+1.2=22.6-3=0.56+0.23=

6.8-0.4=5.4-1.4=7.1+4.6=0.73-0.38=

7.2-0.2=1.4+2.8=46.3-6=0.55-0.31=

7-0.1=5.8+4.2=6.4-4.7=0.85+0.33=

6.1+0.4=4.4+2.7=74.6+6=0.94+0.27=

二、笔算。

1.59+0.73=99.57-2.31=9.09+4.01=88.3-30.7=

8.65-1.05=71.55+7.69=9.85+0.06=43.56-8.46=

2.78+0.57=86.03-4.84=9.45+4.9=51+38.5=

8.64-1.72=54.68-3.24=9.7+0.27=40.79-3.8=

一、口算。

3.8+0.6=7.6+2=66.9+4=0.73+0.03=

1.6+0.8=7.1-2.3=8-1.9=0.51+0.2=

2.5-0.8=4.8+0.8=48.2-9=0.52+0.38=

3-0.2=7.5+2.8=9.9+5=0.65+0.29=

6.9-0.2=3.9+3.8=52.4-1=0.67+0.17=

二、笔算。

3.97+0.02=39.95+6.59=7.78-2.85=57+15=

7.14+5.38=89.35-3.4=2.59+0.42=48.33+3.37=

8.8+0.24=48.59-5.95=8.77+4.45=70.5+24.7=

7.95+2.96=48.22+7.61=6.78-0.88=21.07-3.46=

一、口算。

7.9-0.1=5.9+3=44.2+1=0.56+0.36=

3.6+0.8=9.9+1.5=6.7-5.3=0.87+0.2=

1.9+0.2=1.4+2.4=24.5-9=0.59+0.44=

7.2+0.4=9.4+3.3=9.6-4.9=0.74+0.4=

3-0.9=3.3+9.3=11.2-1=0.81+0.38=

二、笔算。

4.26+0.53=65.18-8.77=9.09+6.2=69.3+10.9=

7.23-3.02=90.94+4.49=9.99-0.45=83.57-3.72=

4.77+0.53=53.95-4.5=8.14+4.35=59.6+10.1=

8.04-2.53=94.78-3.81=4.47-0.93=50.38+3.07=

一、口算。

5.1+0.8=3.8+2.7=36.3+8=0.92+0.37=

2.4+0.6=7.7-4.3=9.5+3.4=0.5+0.45=

2.2+0.2=5.6+6.1=68.7-2=0.52-0.03=

7+0.2=6.5-4.5=8.9-2.3=0.5+0.47=

5.6-0.4=4.8+1.5=37.4-5=0.72+0.18=

二、笔算。

8.13-0.46=22.06+4.43=9.1+1.1=91.1-27.7=

8.24+3.85=79.35-5.47=1.49+0.65=66.1-9.99=

8.11+0.13=10.58+8.81=8.09+6.53=58.8+25.3=

7.6+5.08=23.51+3.49=9+0.44=80.25-6.47=

一、口算。

4.8-0.4=7.6+7.7=64.5+4=0.85-0.23=

5.7-0.1=7.1+0.3=8.8-3.6=0.96-0.3=

3.6+0.9=8.7+4.1=88.9+4=0.51+0.09=

4.7+0.5=7.5+1.9=7+4.4=0.9-0.1=

6.9-0.3=4.6+3=36.5+4=0.87-0.04=

二、笔算。

5.82+0.73=16.52+8.4=7.7-2.02=97.9+4.5=

8.12-2.7=70.25-1.86=7.88+0.59=54.01+3.43=

6.43-0.1=19.83-5.24=9.82-1.84=98.6+16.3=

8.87-5.49=60.35+2.01=4.96+0.14=89.98+3.16=

一、口算。

3.6-0.5=1.5+7=90.3+6=0.9-0.41=

4.3-0.6=5.7-3.7=6.1-3.1=0.6+0.43=

8.5-0.9=3.7+0.4=26.3-2=0.82+0.39=

5-0.3=6.9+3.3=8.6+4.5=0.54+0.29=

7.4-0.6=1.9+1=72.7+4=0.61-0.46=

二、笔算。

4.66+0.36=52.98+5.54=9.69+3.86=82.6+18.3=

8.41-3.45=24.57-8.1=2.48+0.22=84.29+6.39=

9.88+0.12=12.87-1.2=8.01+4.48=57.1+30.8=

9.99+1.86=23.05+4.48=3.19+0.8=85.16-3.15=

一、口算。

7.6-0.2=6.4+2.4=11.4+5=0.72+0.3=

4.5+0.8=7.7-1.1=8.8-5.7=0.6-0.31=

5.8-0.1=9.5+2.6=89.1-6=0.56-0.15=

4.3-0.3=8.3+1.7=7.7-4.9=0.81+0.09=

7.6-0.7=2.3+5.8=35.2-3=0.65+0.42=

二、笔算。

3.27-0.8=35.19-1.73=9.77-4.9=97.3-40.2=

8.2+5.42=88.42-3.38=7.88+0.89=26.47+9.73=

5.02-0.12=78.01+1.28=8.75-3.7=62.2-3.3=

8.73-2.45=69.3-9.92=6.68-0.74=35.06-8.46=

一、口算。

7.6-0.5=6.4+4.8=33.4-9=0.68-0.1=

6.7+0.3=5.5-1.3=7.7-4=0.7+0.4=

6.5+0.7=7.4+2.7=23.7-1=0.95+0.44=

5-0.6=6.5+1.5=6.1+0.3=0.92+0.18=

4+0.6=6.5+7.2=37.5+2=0.76+0.41=

二、笔算。

1.26-0.75=79.21-1.17=9.95+6.3=58.6+41.6=

8.18-5.87=34.99-9.99=6.59-0.09=57.93-2.48=

1.07+0.82=62.01-5.16=9.11+1.99=87+9.6=

9.32+2.38=65.76+5.21=4.23+0.06=22.29-8.87=

一、口算。

7.2+0.2=3.7+9=44.9+6=0.61+0.27=

7.5+0.1=6.7+2.5=6+1.1=0.64+0.26=

7.9-0.9=2.2+1.7=77.3-5=0.54-0.2=

9-0.6=7.6-4.9=9.9-2.4=0.74-0.22=

1.6-0.4=9.6+9.4=72.2+7=0.91-0.49=

二、笔算。

3.17-0.81=21.55+9.23=9.85-3.07=81.1+5.1=

7.39+2.13=55.36+4.81=2.18-0.72=11.23-9.74=

4.51+0.09=52.21-9.83=8.71+2.09=87.6+31.7=

9.35-3.18=91.42-1.07=5.62+0.43=36.31-6.64=

一、口算。

7-0.8=2+2.5=89.3-7=0.55+0.45=

6.6+0.1=8.5+3.1=7+2.4=0.81-0.38=

7.7-0.1=7.9+5.3=56.5+6=0.93+0.33=

6.8-0.2=5.5+0.7=7.8+4=0.98-0.29=

6.5+0.6=8.2+8.2=93.4-3=0.87-0.03=

二、笔算。

4.13+0.98=14.88+4.11=7.05-3.37=94.1+34.6=

8.28+4.33=20.5+4.2=7.77+0.59=66.8+2.89=

5+0.16=32.45-7.91=9.7-6.87=94.5+2.1=

9.44+4.81=41.44-3.59=9.54+0.56=66.1+6.97=

一、口算。

1.5+0.6=3.2+4.5=28.8-6=0.9+0.37=

4.4-0.6=9.8+0.3=9.1+3.8=0.81-0.19=

1.3-0.2=8.1+7.3=91.9-5=0.74+0.19=

3.2+0.1=7.9+3.3=6-2.1=0.63+0.49=

7.8-0.4=1.7+6.8=83.7+8=0.97+0.06=

二、笔算。

7.66+0.05=80.02+4.61=8.68-5.94=98.1-10.5=

9.08-4.55=86.67-2.93=5.25+0.99=83.68+8.06=

2.42-0.75=31.98-2.5=8.74+4.64=67+36.1=

7.06-6.24=98.08+8.3=5.1-0.47=34.43-4.04=

一、口算。

1.3-0.1=0.7+6=79.4+1=0.56-0.11=

2.2-0.8=5.7-3.2=6.2-5.6=0.53-0.48=

7+0.2=9.3+5.3=19.5+8=0.97-0.19=

2.1+0.6=8.8-3.5=6.4-1.7=0.96-0.15=

4.6+0.6=8.2+3.4=28.3+9=0.86+0.38=

二、笔算。

7.67+0.47=26.89+6.94=7.09-5.01=51.9+23.3=

8.47+4.94=37.97-1.52=9.17+0.82=68.98-5.76=

4.62+0.08=28.16+6.06=9.33-5.57=89-19=

7.8+6.09=44.53-5.49=4.64+0.51=82.38+7.17=

一、口算。

7.6+0.9=4.7+8.2=43.6+3=0.59+0.1=

6.9+0.3=5.2-3.6=7.3+4.6=0.55-0.44=

4-0.7=6.7+4.7=82.2-5=0.99-0.14=

2.1-0.1=6.5-0.4=6.2+5.7=0.66-0.12=

8.5+0.2=3.7+1=58.6+3=0.85-0.48=

二、笔算。

9.45+0.93=29.82+8.65=8.46-6.35=78.5+7.4=

9.32+5.47=14.05-9.43=3.38+0.26=13.66-9.41=

2.69+0.98=28.43+8.87=9.77-1.11=52+43.5=

7.65-1.68=10.11-4.78=4.53+0.89=26.46+2.38=

一、口算。

2.8-0.8=3.6+6.8=14.6-5=0.68+0.23=

7.7-0.1=6.8-3.7=6.5-1.6=0.56-0.49=

3-0.7=2.5+1.2=45.1+8=0.73-0.18=

1.6+0.6=5.7-2.1=7.3-2=0.88-0.18=

2.8-0.4=6.4+5.1=39.2+6=0.69-0.21=

二、笔算。

2.91-0.75=45.05+4.86=9.95+3.5=61.1+37.2=

9.9+2.15=97+5.7=3.44-0.39=17.49-7=

2.77+0.99=22.68-4.21=8.9+1.17=70.7-5.3=

7.61-1.08=93.28-9.61=8.95-0.07=92.08-5.5=

一、口算。

2.3-0.4=5.5+5.7=77.8-7=0.57-0.46=

4.3+0.2=5-0.2=8.2-5.1=0.74+0.01=

6.9-0.6=6.4+7.1=72.7+4=0.89-0.11=

9-0.1=9.5-1=7.9-4.7=0.56+0.05=

7.2+0.9=8.6+6.6=51.1+9=0.51-0.29=

二、笔算。

5.49-0.13=29.43+7.05=8.89-2.95=50.1+3.1=

8.12+2.29=70.34-5.7=8.35+0.7=38.19-5.76=

6.03-0.02=94.57-6.94=9.02+3.77=55.8-47.7=

9.64-1.06=63.24-1.99=3.72+0.84=83.53+8.28=

一、口算。

6.8-0.1=2.7+2=60.4+8=0.84-0.2=

1.6+0.6=7.7+0.3=9.2-1.5=0.86-0.08=

5.3+0.4=0.8+5.2=79.4-7=0.89-0.42=

2.4+0.4=7.3-4.4=9+5.3=0.55+0.02=

7.9-0.5=0.3+6.2=66.6+7=0.52+0.49=

二、笔算。

2.27+0.7=97.71+4.42=9.25+5.8=90.1+25.1=

7.22-1.32=11.68+5.58=9.85+0.91=94.66+1.28=

2.66-0.73=11.91-8.8=7.46-6.65=76.8-40.6=

7.32-1.76=60.2-4.31=3.22+0.99=85.17+6.36=

一、口算。

3.7-0.8=0.7+3=57.6-8=0.97+0.34=

7.5+0.3=9.6-0.6=8.4-5.9=0.79-0.17=

5.9-0.2=0.7+4.7=82.4-8=0.63-0.05=

2.8-0.6=9.2+3.3=8.9+2=0.88-0.43=

1.1-0.8=8.7+2=40.6+5=0.95+0.11=

二、笔算。

7.13+0.78=18.2+6.34=7.99-3.51=89.3-9.8=

7.22-2.69=12.37+6.79=4.92+0.79=11.64-5.79=

1.95+0.73=67.81-3.16=8.06+5.64=81.7+23.1=

7.65-6.26=64.75-3.12=5.06+0.68=10.2+3.34=

一、口算。

3.1+0.8=8.6+2.6=69.2+9=0.65+0.06=

3.4-0.2=8.7+2.7=9.9-1=0.82-0.06=

7.4+0.1=9.9+1.1=18.7-4=0.66+0.18=

4-0.9=7.1-3.4=7.9-5=0.8+0.2=

5.2+0.5=8.3+1.3=70.3+8=0.89+0.21=

二、笔算。

3.1+0.32=77.11+4.37=8.23+1.6=79.5-10=

7.21+3.19=27.25+9.84=2.89-0.77=13.31-5=

4.25-0.72=52.52+3.25=7.27+4.83=75.4-47.6=

9.44+5.08=15.88-8.5=2.67-0.06=58.06-2.99=

一、口算。

3.9+0.6=1.8+5.8=87.7+7=0.77+0.38=

7.4-0.1=5.9-2.8=9.9+0.8=0.87+0.23=

1.7+0.5=1.4+0.7=35.4+9=0.69-0.23=

6.6-0.6=8.3-3=9.8+5.2=0.73+0.36=

5.8+0.7=6.7+8.4=74.8+4=0.86-0.15=

二、笔算。

4.07-0.81=69.49-7.71=7.43+6.31=56.6-6.9=

7.65-2.01=16.98+4.36=8.13+0.06=58.95-7.45=

6.6+0.37=81.48+1.71=9.51-5.71=77.7-27.4=

7.3-5.78=73.21+3.7=5.19-0.97=74.23-5.71=

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