人教版四年级数学下册小数加减法综合练习题99.docx

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人教版四年级数学下册小数加减法综合练习题99.docx

人教版四年级数学下册小数加减法综合练习题99

一、口算。

3.3-0.4=0.7+8=22.2-3=0.63-0.09=

4.1-0.5=6.4-0.7=8.2-4.1=0.64+0.34=

7.3-0.4=9.4+0.9=66.3-4=0.65+0.4=

1.8+0.4=6.9-0.7=8.6-1.3=0.88+0.42=

4.2+0.9=2.9+8.4=15.3-3=0.67-0.48=

二、笔算。

2.28-0.54=43.3+3.83=7.55-1.01=58.4+7.5=

7.38+3.02=48.12-5.97=3.39-0.42=57.51-1.69=

4.29+0.39=47.59+8.18=7.41-1.29=79.5+46.5=

9.66-6.56=95.43-4.86=8.87+0.92=27.68+2.89=

一、口算。

4.2-0.7=4+8.9=91.8-4=0.8+0.43=

1.4-0.8=5.6-1.1=9.4+5.1=0.95-0.03=

5.2-0.7=0.2+9.8=46.2-1=0.77-0.19=

6.3+0.4=6.6+3.7=9.1+3.9=0.99+0.27=

8.6+0.8=2.2+6.2=24.2-3=0.79+0.48=

二、笔算。

8.21+0.83=85.62+1.94=8.92+5.61=66.3+43.5=

9.38-3.12=72.42+7.12=9.76-0.84=50.14-5.98=

5.91+0.7=71.17-5.23=9.85+3.87=55.7-5.7=

8.22-5.75=75.6-5.37=9.46-0.46=21.64+9.87=

一、口算。

5.8-0.9=3.3+3.8=32.4+7=0.73+0.2=

1-0.9=7.7+0.8=8.1+1.2=0.88+0.26=

7.4+0.9=5.6+0.7=46.4+8=0.97+0.35=

5.7+0.3=9.7-1.4=8.8+3.9=0.77-0.23=

8.9+0.6=0.6+7.6=32.6-8=0.52-0.08=

二、笔算。

1.46+0.9=43.6-4.98=8.68-1.76=70.9+34.5=

8.74+1.57=39.35-2.99=9.98-0.78=23.78+1.43=

4.82-0.76=10.44-8.21=7.9+1.95=70.2+14.1=

7.21-3.89=34.31-3.35=2.22+0.79=74.3+6.39=

一、口算。

3.5+0.2=8.2+2.8=33.6+5=0.79+0.23=

8.4+0.3=7+4.6=6.6-0.3=0.65-0.22=

8.1-0.8=9.5+4.3=19.6+2=0.7+0.01=

1.1-0.4=9.1-4.1=6.1+5.6=0.69+0.43=

6-0.2=0.8+0.1=26.5-8=0.95-0.09=

二、笔算。

6.78+0.64=36.48-9.92=7.7+5.38=89.6-41.9=

9.99-2.35=87.83+6.02=4.05+0.21=43.32+7.81=

5.39-0.79=33.23+5.55=8.5-2=92.1-29.5=

7.51-5.12=89.4-9.86=2.59+0.46=89.17-7.31=

一、口算。

4.5+0.2=4.2+0.2=28.4-6=0.93-0.08=

4.2+0.6=9.8-3.1=9.2-2.6=0.97+0.02=

8.9+0.6=3+9.1=86.9-4=0.74-0.36=

1.4-0.6=9.6+3.1=8.6-0.8=0.76+0.4=

7+0.2=6.3+5.6=47.9-1=0.95+0.43=

二、笔算。

3.89-0.02=96.66-8.97=7.05+5.93=63.1-44.4=

9.55+6.68=17.73-5.65=2.06+0.64=20.38-6.26=

3.33+0.56=25.77-8.68=7.6-6.02=61.8-18.1=

9.95+1.84=14.82+8.2=7.41+0.97=46.83-5.72=

一、口算。

9-0.1=4.4+3.5=84.5+2=0.51-0.47=

1.9+0.9=7-4.8=6.2+5.2=0.82+0.22=

5.5+0.2=4+2.8=64.6+1=0.75+0.09=

5+0.8=7.2-0.5=6.3-5.6=0.61+0.35=

2.5+0.8=4.8+2.7=71.5+2=0.79-0.33=

二、笔算。

5.65+0.43=98.5+7.54=8.23-6.44=60.3-42.6=

7.38+4.71=91.42+5.06=5.85-0.68=47.47+9.87=

6.99-0.13=57.2+7.96=9.69-5.85=52.4-46.6=

7.1+5.98=77.77+5.55=6.06+0.97=67.41-8.71=

一、口算。

5.9+0.3=7.8+0.2=24.9-8=0.97+0.26=

2.9+0.7=5.4+2.6=7.4-1.9=0.7+0.25=

8+0.4=1.2+5.4=81.1-5=0.67+0.3=

4.8+0.8=5.1-2.2=9.6+0.8=0.99-0.31=

8.1+0.3=9.3+9.4=37.7-9=0.97-0.48=

二、笔算。

3.58+0.13=54.94-6.07=7.62-2.64=61.2+4.9=

7.16-6.16=82.91+8.33=4.94-0.71=57.07-6.5=

3.84+0.85=70.56-3.03=7.56-3.92=91-42.8=

9.35+1.48=73.51-1.14=1.93-0.32=83.67-4.52=

一、口算。

8-0.8=5.1+8=40.7-6=0.84-0.35=

7.9-0.8=7.7+1.6=6.2+3.2=0.8+0.28=

5+0.6=9.8+8.6=43.5+4=0.71-0.09=

7.4-0.4=9.6+0.2=6.7-4.7=0.54-0.1=

5.6+0.3=2.5+4.4=60.7-3=0.88+0.1=

二、笔算。

6.65-0.17=40.84-9.26=8.92+1.68=84.6+48.8=

9.28-6.22=18.3+8.12=8.55-0.25=27.02+4.11=

2.49+0.47=83.92-7.42=7.51+5.68=72.8+8.8=

7.07+2.43=19.51-1.38=2.47-0.98=99.03+9.87=

一、口算。

8.6-0.4=1.3+1.1=73.7+4=0.63+0.44=

5.8-0.8=9.6-4.2=8+5.5=0.68+0.04=

5.9+0.8=6.9+4.3=29.8-8=0.52+0.44=

5.7-0.1=5.9-0.6=9.8-0.1=0.57+0.17=

7.2-0.3=1.8+0.4=16.1+1=0.73-0.23=

二、笔算。

2.96-0.28=93.03+5.87=7.78+5.21=55.7-12.9=

9.73-1.58=53.8-9.83=7.46+0.39=66.18-4.14=

7.67-0.73=55.33+8.59=9.92-6.3=73.6+23.5=

9.87+6.14=91.03+1.38=3.88+0.11=43.37-2.59=

一、口算。

2.4-0.4=8.7+3.3=27.3-3=0.63-0.28=

6.7+0.4=6+4.9=8.7-3.7=0.79+0.07=

1.5-0.9=7.3+1.4=43.9-7=0.81-0.03=

6.9+0.4=9.2-3.2=9.7-2.2=0.69-0.34=

1.8+0.7=7.9+5.9=90.4-9=0.95-0.12=

二、笔算。

6.1+0.04=68.05-9.02=7.82+6.47=81.6-23.6=

8.63-6.43=26.38+2.36=7.91-0.83=24.59+3.11=

3.03-0.87=52+8.65=9.5+2.18=62.7-21.6=

8.55+3.27=62.49+1.27=4.75+0.33=99.01-2.97=

一、口算。

7.3+0.7=8.7+0.2=65.4-9=0.88-0.4=

1.3-0.2=7.8+0.6=8-2.6=0.81+0.47=

8.6-0.1=2.6+5.8=33.7-7=0.66+0.19=

1.6-0.2=7.5-3.7=6.7+2.3=0.74-0.04=

3.1+0.6=4.2+0.2=25.1+5=0.77-0.04=

二、笔算。

9.29-0.2=51.63-3.33=8.34+4.62=84.3-45.9=

9.78-5.73=42.45-4.54=4.58+0.59=14.18+2.1=

7.36+0.49=29.08+8.59=8.84+5.68=59-19.1=

8.59+2.29=58.65+1.12=5.68+0.84=19.85-6.56=

一、口算。

8-0.5=0.6+0.5=79.4+8=0.73+0.22=

8.3-0.4=6.3-2.1=8-0.1=0.77+0.43=

8.2+0.9=4+2.4=13.1-9=0.56-0.02=

7+0.4=6-2=8.7-4=0.81+0.25=

1+0.2=6.8+0.7=22.9+7=0.88+0.38=

二、笔算。

2.24+0.6=59.77+1.83=9.1+1.1=62.7-23.9=

8.2-1.5=97.06+3.07=6.66+0.16=32.62-5.01=

1.85-0.36=70.9-2.93=8.7-5.93=93-1.3=

8.87+3.85=24.66-4.01=8.01-0.16=19.43+5.99=

一、口算。

6.8+0.9=4.7+9.3=52.9-7=0.8+0.36=

3.9+0.6=9.5+3=9.3+0.4=0.51-0.44=

7.6+0.9=5.7+0.9=81.2-1=0.7+0.24=

8.2+0.2=8.8-2.7=8.7-3.8=0.52+0.19=

1.7-0.5=5.5+1=58.6-2=0.86+0.33=

二、笔算。

7.88-0.99=74.45+6.09=7.38+2.1=73.2+24.3=

7.62-5.26=85.67-5.22=6.72+0.13=79.29+6.58=

6.84+0.22=75.29-6.08=9.63+4.96=68.8-22.3=

8.89+5.85=61.35+2.65=8.87+0.28=94.12+1.11=

一、口算。

4.9+0.6=5.7+9.1=86.2-4=0.75-0.29=

6.3-0.3=8.3+4.7=7.7+0.6=0.87+0.12=

3.8-0.7=7.3+3.8=42.1+2=0.99-0.13=

4.3-0.8=5.3+4.9=7.5+4.9=0.95-0.42=

8.1+0.7=6.7+2.4=75.5-5=0.96-0.34=

二、笔算。

3.99-0.49=24.22+4.57=9.42+1.4=66.4+38.4=

7.09+1.41=83.04-7.03=2.78+0.38=72.66-2.67=

7.54-0.79=69.86+1.66=7.22-3.65=75.2+22.7=

7.94+1.06=44.73+9.55=1.01-0.02=77.38-3.61=

一、口算。

4.2-0.7=7.9+6.8=60.4+6=0.58+0.25=

4.3-0.6=6.4+1.4=8.1+3.9=0.82+0.39=

5.4+0.7=7.3+5.2=60.8+9=0.6-0.08=

6.5+0.8=9+4.1=7.8-2.2=0.86-0.09=

2.2-0.1=0.2+2.3=92.7-3=0.52-0.14=

二、笔算。

6.15-0.31=46.52+4.98=8.06-5.82=75.9-12.4=

7.36+1.38=74.82-7.52=1.24+0.15=26.57+8.73=

8.39-0.94=45.39+1.06=9.41-4.72=73.3+27.9=

7.84+1.45=99.26-1.33=4.32+0.23=83.19+7.94=

一、口算。

1.3+0.2=8.7+2.6=94.6-5=0.92+0.11=

4.2+0.5=7.9+4.1=6.9-3=0.69+0.19=

8.3-0.3=3.4+7=91.6-8=0.79-0.03=

1-0.5=8.1+4.9=7.2-0.3=0.75+0.45=

4.4-0.2=8.1+0.3=66.7-2=0.66+0.04=

二、笔算。

8.82-0.3=50.72+6.73=8.36-4.2=75+5=

7.24+5.08=21.26+3.15=4.16+0.01=97.68+6.2=

7.52+0.85=11.44+7.36=8.59-1.08=90.3+16.7=

8.66-5.6=89.15-8.38=5.87+0.19=82+9.98=

一、口算。

5.3+0.3=0.8+2.5=94.1-4=0.61-0.37=

4.2-0.2=7.9+0.8=9.6-5.2=0.54+0.34=

5.8-0.3=9.9+3.1=33.9-9=0.75-0.23=

8.5-0.1=9.2-2.7=7.5+2.4=0.61-0.35=

2.2+0.9=1.6+1.1=28.4-3=0.73+0.21=

二、笔算。

8.58+0.32=49.22+1.27=8.89-5.93=75.3-22.3=

9.65+2.49=71.46-4.6=6.6+0.77=19.45-4.05=

6.97+0.77=17.87+7.35=9.99+6.27=83.8+13.7=

9.8+1.9=12.24-5.54=4.63-0.43=84.97-4.68=

一、口算。

3.8-0.8=5.8+5.1=19.2-4=0.53+0.08=

5.8-0.5=6.7-3.5=6.7+5.5=0.99+0.11=

7.7+0.2=8.9+7.2=28.7-8=0.9+0.11=

1.2+0.6=6.9-2.3=6.3+5.4=0.67-0.38=

3.5+0.6=4.8+4.8=71.8-2=0.6-0.43=

二、笔算。

8.67+0.5=28.13-1.5=7.98-2.54=58.8+4=

7.89-4.94=32.94-6.19=5.8+0.41=15.8+1.38=

1.66+0.66=94.72+4.86=9.09+4.6=77.4+4=

7.56+2.78=44.45-3.92=7.3-0.98=99.73-5.59=

一、口算。

5.1-0.6=1.5+0.9=42.2+4=0.77-0.18=

1-0.4=5.4+1.5=9.9+0.1=0.57+0.48=

3.1+0.4=4.7+7=25.1-2=0.55-0.45=

6-0.2=7.1-1=6.9+2.3=0.75-0.15=

6.6-0.1=8.6+3.2=99.1-7=0.64+0.47=

二、笔算。

2.54+0.34=34.9-2.89=9.58+5.83=73.2+12.4=

7.16+2.59=85.5+3.74=6.3-0.39=28.55-8.7=

6.96-0.41=84.98-2.93=7.6-1.63=82.6+9.4=

7.12-3.65=73.62-4.3=1.43-0.79=70.63-5.28=

一、口算。

6.9-0.1=7.2+6.8=92.7-6=0.6+0.39=

8.8-0.2=8.8-2.2=8.9-4.5=0.73+0.41=

3.6+0.1=1.7+5=19.6-9=0.58-0.38=

6.7-0.7=7.7+2.3=8.5-0.1=0.84+0.46=

2.2+0.8=0.9+9.3=71.4-9=0.97-0.28=

二、笔算。

8.94+0.98=53.5+5.54=7.05+3.01=80.9+37.3=

7.95+6.45=29.69-5.67=7.62+0.13=85.01+4.54=

4.39+0.33=92.19+7.68=8.94-4.64=60.4+1.4=

7.17+3.43=60.96+9.54=4.78+0.74=98.21+8.37=

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