人教版四年级数学下册小数加减法综合练习题69.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69.docx

人教版四年级数学下册小数加减法综合练习题69

一、口算。

4.8-0.1=9.8+9.8=37.6-7=0.67-0.17=

8.7-0.9=9.6+2.6=9.8+1.6=0.74+0.32=

2.5+0.5=5.3+0.6=69.1-3=0.81+0.48=

6.3+0.4=8.9+1.9=9.6+1=0.91+0.35=

3.8+0.3=7.7+2.8=53.5+1=0.76+0.35=

二、笔算。

9.41+0.25=83.9+5.63=8.42-6.53=64.5+40.5=

9.63-5.35=27.87+6.15=3.42+0.55=10.43-8.53=

1.38-0.17=56.02-4.83=8.44-4.67=51-9.5=

7.65-2.01=26.4-6.66=4.47-0.08=43.57-9.99=

一、口算。

6.2-0.8=3.7+0.4=33.1+8=0.76+0.15=

6.5+0.6=7.8+2.3=6.2-5.8=0.9+0.13=

1.4+0.7=3.4+8.4=60.9-9=0.7+0.08=

5.3-0.5=8.7+3.4=7.5-5=0.77+0.37=

2.3-0.2=1.3+8.1=49.9-7=0.51+0.41=

二、笔算。

7.09+0.14=89.92-9.95=8.7+4.74=88.3+2.3=

9.02+5.24=97.09-3.95=5.12+0.46=12.42+9.58=

1.26-0.69=39.35-5.94=7.22+6.01=54.5+6.3=

8.34-5.84=16.74+9.4=7.65-0.57=70.09-6.95=

一、口算。

4.2-0.6=8.6+8.2=31.5-3=0.84+0.03=

8.9+0.6=7.3+1.9=6.3-1.9=0.57+0.02=

2.7-0.3=2.9+4.5=70.4+7=0.64-0.38=

6.3+0.6=5.4-3.3=7.5-1.8=0.74+0.12=

3.3+0.3=4.4+8.4=46.6+6=0.62+0.26=

二、笔算。

6.56-0.79=59.27-1.91=8.83-6.23=77.4-31.9=

9.56-4.12=28.84-7.39=5.13-0.71=58.24+7.3=

4.67-0.95=78.32+7.87=8.28-6.47=62.3-36.1=

9.9+3.27=59.32+7.22=9.54-0.17=19.22-3.34=

一、口算。

3.7+0.8=6.3+7.3=34.6+6=0.58-0.24=

7-0.5=9.6+0.5=8.4-5.2=0.65+0.41=

2.9+0.6=4.6+9.6=58.8-3=0.96-0.13=

4.5+0.8=5.3-2.2=9.6+2.2=0.94-0.45=

5.5-0.9=1.1+7.6=16.1+5=0.78+0.35=

二、笔算。

7.69+0.89=69.98+9.94=8.2-1.02=83.2+24.6=

9.28+1.63=59.46+7.35=9.76-0.07=13.57+9.95=

2.03-0.35=17.5-6.82=9.5-3.78=50.3-23.8=

9.75+6.84=68.96+7.7=9.7+0.8=67.81+3.41=

一、口算。

5.8+0.8=2.8+1.9=94.2+3=0.82+0.43=

6.9+0.9=9.9-0.8=8-1.5=0.93+0.44=

1.9-0.7=7.7+1.5=77.2-1=0.83+0.23=

5.9-0.1=8.1-3.4=6.3-3.1=0.54-0.1=

5+0.8=1.9+8.3=59.5+5=0.76+0.32=

二、笔算。

1.61+0.81=62.08+1.87=7.29-5.77=75.4-15.8=

9.37+1.63=60.11+3.9=8.49+0.41=92.48+3.53=

9.41-0.42=44.26+8.07=7.97-4.12=98.5-34=

8.87-3.66=69.25+1.8=3.87-0.24=28.09-8.08=

一、口算。

2+0.6=7.9+0.9=83.5-2=0.97+0.18=

6.5-0.7=9.4-3.3=7.8-4.1=0.94-0.22=

7.8+0.1=9.4+3.6=70.4+5=0.83-0.4=

6.5-0.5=6+0.9=9.4-2.5=0.95-0.11=

2.1-0.6=5.7+5.4=84.7+1=0.92-0.02=

二、笔算。

1.85+0.4=82.94+6.07=7.27+4.58=85.7+26.3=

9.5+5.82=41.29-6.83=5.54+0.06=54.82-5=

3.66+0.32=11.97-9.78=8.83+5.4=87.5-21.6=

9.24-4.01=26.37-8.63=4.54+0.08=15.07-1.13=

一、口算。

1.5-0.8=6.4+7.3=67.1+8=0.99-0.4=

4+0.3=5.4-4.2=9.6-0.9=0.67+0.38=

5.5-0.6=7.7+8.9=41.8+1=0.81-0.09=

7.2+0.2=9.5+2.5=8.1-3.9=0.96-0.21=

4.5+0.7=2.5+2.9=24.6+6=0.64-0.32=

二、笔算。

8.57+0.55=42.64+5.44=8.14+1.16=50.6-35.4=

8.74-4.68=97.53-8.4=3.94-0.47=51.6+2.31=

9.98-0.01=86.46-4.26=7.63-1.95=96.3-49.4=

8.08-5.57=13.26-7.29=3.18-0.16=11.93-6.47=

一、口算。

1.8+0.1=4.1+5=47.7+2=0.7+0.3=

8.5+0.2=5.6-3.9=7.2+0.8=0.65-0.36=

4.6-0.8=5.7+7.1=94.9-3=0.82-0.29=

2.6-0.2=8+3.5=6.1+4.3=0.57-0.1=

8.4+0.9=1.4+2.8=70.1-7=0.55-0.08=

二、笔算。

3.61-0.88=39.92+8.24=7.27-1.44=95.1+22.9=

8.81-1.97=36.12+5.79=2.18-0.73=64.29-3.91=

4.48-0.92=85.91-9.19=8.97-3.13=79.7+41.3=

9.05+3.92=96.11-1.02=7.9+0.7=39.55+1.23=

一、口算。

4.1-0.2=6.8+2.3=66.6-1=0.76+0.3=

3.6+0.9=7.7-0.7=7.7-5.4=0.79-0.07=

1.3-0.7=1.7+2.1=90.2-7=0.64-0.11=

1.4+0.8=7.4+0.1=6.2-2.2=0.78+0.2=

4.5-0.1=9.6+4.5=92.4-3=0.7-0.2=

二、笔算。

9.96+0.85=82.5+1.04=7.81-5.18=85.8+5.1=

8.34+4.51=47.94+2.72=3.53-0.82=30.35-7.45=

4.06+0.87=10.37+9.77=9.35+6.8=67.3-17.8=

7.92+2.27=19.2+5.29=6.83+0.71=59.71-9.42=

一、口算。

7.6-0.5=4+9.7=16.5+9=0.71-0.31=

3.8-0.1=6.4-0.3=7.8-3.2=0.55+0.3=

7.2-0.3=9.6+1.8=97.1+8=0.5-0.2=

2.6+0.6=7.7-0.5=9.7+5.3=0.86-0.36=

1.7-0.5=4.9+0.1=15.2+8=0.91+0.17=

二、笔算。

8.36-0.18=92.92+1.72=8.47-6.32=50.3+32.1=

9.73+2.59=25.32+8.03=8.58+0.66=48.14-6.49=

7.74+0.68=35.95+3.11=7.16-2.04=64.9+20.2=

8.73-2.11=42.67+2.05=1.63-0.97=15.12+3.25=

一、口算。

1.5+0.6=5.4+1.5=34.6-8=0.69+0.34=

5+0.4=9.3+2.9=8.2+4.9=0.6-0.15=

5.7-0.2=3.5+3.9=75.9+9=0.89-0.05=

4.9+0.7=6.4-4=8.4+2.5=0.5-0.11=

5.5+0.4=8.1+1.4=30.2-4=0.66+0.08=

二、笔算。

9.35+0.94=57.04+2.95=7.33-4.54=63+47.2=

7.71-2.08=82.71-9.59=4.58+0.13=57.36+5.2=

5.06+0.31=20.92-9.04=8.33+3.33=51.5+3.9=

8.94+3.77=15.91+1.06=4.67+0.88=49.4+3.83=

一、口算。

4.6-0.7=7.4+5.4=11.7-4=0.89+0.34=

1-0.8=8.9+3.4=7+1.7=0.94-0.01=

3.1-0.7=8.1+9.6=85.5+2=0.75-0.19=

6.1-0.3=8.7+1.4=6.1+0.9=0.71+0.2=

5.7+0.9=8.2+9=14.9+4=0.67+0.24=

二、笔算。

8.74-0.6=76.54-7.36=9.61+3.75=64.3-41.3=

8.85-3.27=76.92-6.88=3.49+0.46=59.7+1.28=

4.65+0.28=73.06+6.42=8.22-1.67=64.8+16.8=

7.6-1.19=38.56+2.32=9.7-0.27=42.78+8.64=

一、口算。

7.8+0.6=7.6+4.6=38.9+2=0.53-0.36=

7.7-0.3=6.7+1.9=9.3+0.4=0.87-0.46=

1.5+0.3=5.4+5.4=91.4+9=0.91-0.19=

7.5-0.6=8.1-2.1=7.5+3.3=0.85-0.25=

1.4+0.8=4.9+8.4=72.6+6=0.83+0.02=

二、笔算。

5.36-0.58=86.46-4.01=7.94+2.52=87.5-18=

9.91-5.87=67.26+5.23=2.69+0.63=59.96-2.79=

3.8-0.44=99.37-3.01=9.85-1.25=78.6+13.9=

9.38-2.79=54.79-8=7.6-0.74=15.05-7.06=

一、口算。

9-0.2=4.5+4=97.6-6=0.61+0.15=

3.6+0.2=9.3+4.4=9+3.6=0.8+0.11=

7.3-0.9=9.8+2.2=66.2+2=0.74+0.33=

5.9-0.2=9.4+4=6.1+3.5=0.71+0.01=

6.4-0.2=3.2+2.7=38.7-8=0.51-0.43=

二、笔算。

3.96+0.45=20.68-4.45=9.15-3.3=55.2-24.3=

7.2+5.22=26.43+9.03=5.38-0.68=76.12-4.14=

3.11-0.93=78.54+4.41=9.51+5.98=82.7-37.1=

7.11-2.16=68.91+2.8=5.16+0.84=16.33-3.67=

一、口算。

4.3+0.4=7+5.8=34.8-3=0.59+0.18=

1.8+0.2=9-3.8=9+5.1=0.73-0.23=

8.6-0.1=9.2+2.3=24.5-2=0.95+0.44=

6.6+0.6=6.4+4.8=9.9+3.5=0.62+0.15=

4.4-0.9=7.4+4.5=65.3-5=0.98+0.08=

二、笔算。

5.41+0.46=42.67+1.81=8.49-5.68=65.5+32.1=

8.12-4.68=77.08-1.22=7.42-0.26=55.49-1.33=

9.31+0.93=31.9+2.41=8.1+6.55=79.7-38.4=

8.36-4.11=18.17+4.7=6.31+0.75=85.03-6.2=

一、口算。

7.2-0.6=6.8+3.3=78.2-2=0.64+0.22=

5.8-0.8=6.2+3.6=6.2+2.9=0.53-0.1=

2.6-0.5=3+8.9=97.2-7=0.52-0.17=

7.9+0.2=8.2+3.7=7.3-0.4=0.81-0.23=

1.8+0.9=3.9+7.4=23.9+4=0.91+0.34=

二、笔算。

6.49-0.13=97.67-7.84=7.53+3.12=57.5-44.5=

8.39-2.55=23.48-1.7=1.64-0.57=61.54+8.09=

6.64-0.56=49.46-9.45=9.33+2.7=58.7-19.8=

9.53+6.8=58.94-2.76=8.2+0.69=66.67-4.47=

一、口算。

3.4-0.4=0.3+6.2=65.7-3=0.96-0.2=

1.6+0.3=9.9-1.5=8.8-1.3=0.98-0.11=

1.1-0.3=2.5+9.1=30.8-6=0.84+0.29=

1.9-0.1=7.2-3.6=6.9+3.6=0.8-0.47=

7.4-0.5=4.2+6.2=25.3+3=0.57+0.01=

二、笔算。

7.27-0.58=31.18+3.08=7.88-1.72=72.1-43.7=

9.23+2.25=95.11+6.69=9.27+0.47=46.56-2.38=

3.02-0.53=36.04+5.21=9.53+1.26=63.2-13=

8.33-6.02=31.59+7.92=5.6+0.62=60.68-1.73=

一、口算。

2.2+0.8=7.2+5.5=19.3-8=0.86-0.47=

1.3+0.9=7.6-1.5=6.8-5.2=0.76-0.18=

2.7+0.5=7.2+5.5=28.4+7=0.68-0.06=

1.3-0.9=7.3+4.2=6.1+4.4=0.76-0.03=

7.5+0.6=0.8+5.7=59.5+7=0.98-0.45=

二、笔算。

5.53-0.8=27.39-8.34=9.79-5.61=99.2+33.7=

9.99+5.06=89.25+1.3=7.84+0.79=16.45-2.2=

6.56+0.11=71.44-3.88=7.19-6.07=52.8+31.5=

9.51-6.32=55.81+5.62=3.84-0.23=83.86+7.22=

一、口算。

8.3+0.1=6.3+0.1=79.5-5=0.88+0.27=

2.5-0.4=7.5-3.8=6.2+4.1=0.92+0.43=

1.2+0.4=1.2+4.5=17.6-5=0.91+0.47=

5.8-0.6=7.3-2.4=9.4+2.2=0.95+0.36=

7+0.5=8+0.9=39.6-1=0.93-0.13=

二、笔算。

2.65-0.17=90.92-3.49=9.32-3.51=97.8-45.1=

7.09+4.76=63.55+8.74=5.39+0.22=14.04+4.01=

7.37+0.72=66.28-4.06=8.59-5.82=50.2+22=

7.12+2.51=88.46+2.94=6.83+0.58=53.34+5.32=

一、口算。

3.6+0.2=7.7+9.2=17.2+3=0.96+0.19=

1.6-0.6=5.7-3=7.2-3.9=0.96-0.09=

7.9+0.1=1.2+5.7=44.3+3=0.86-0.35=

1.9-0.9=7.3-4.9=7.6-5.7=0.66+0.05=

8.7+0.1=1.9+0.9=16.4-3=0.76+0.37=

二、笔算。

1.03-0.86=14.26-6.26=8.52-6.46=67.4+11.6=

9.27+2.7=29.79+3.66=1.1+0.43=53.05+3.88=

3.21-0.74=60+3.36=9.44+1.16=83.9+41.6=

8.44-4.49=58.49+2.1=5.34+

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