四年级数学下册小数加减法专项练习题150.docx
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四年级数学下册小数加减法专项练习题150.docx
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四年级数学下册小数加减法专项练习题150
一、口算。
3-0.5=9.5+4.6=75.2-3=0.94+0.03=
2.4+0.1=6.4-3.2=7.4+4.3=0.53-0.44=
5.8+0.7=6.8+9.5=52.2-2=0.62-0.09=
2.1+0.3=5.7+1.1=8.9+0.1=0.64+0.24=
8.9-0.7=3+3.4=36.6-2=0.73+0.28=
二、笔算。
8.97-0.59=20.07-2.13=9.21-1.69=90.5+18.8=
8.44-1.96=32.44+9.01=6.29-0.61=69.57+2.5=
4.19+0.82=68.71+7.83=8.68-6.34=59.6-3.2=
9.01+6.44=72.27-8.57=8.55+0.18=50.75+8.97=
一、口算。
6.8-0.7=2.6+4.6=45.8-8=0.79-0.09=
5.9-0.1=5.4-4.6=7.8-4.2=0.98+0.34=
5.4-0.1=5+6.9=27.9+5=0.74-0.33=
7.5+0.5=6.1+3.5=6.3+5.7=0.72-0.15=
7.7-0.6=9.5+6.1=88.9-8=0.65-0.38=
二、笔算。
3.66-0.22=95.94-7.89=9.03+5.7=60.5-36.1=
9.49+1.46=10.91+9.64=4.78-0.23=69.39-3.47=
9.37-0.45=21.5-5.06=7.54-6.54=90.3+49.3=
7.85-1.9=27.53+4.31=9.99-0.24=74.68+9.14=
一、口算。
5.4+0.3=3.8+3.8=88.7-8=0.91+0.25=
6-0.4=5.3-2.6=9+1.8=0.61-0.27=
4.5-0.6=9+6.5=25.3+6=0.51-0.3=
9-0.1=7.2+4.8=7.1+5.3=0.95-0.13=
5.2-0.2=9.3+9.9=88.9-2=0.82-0.11=
二、笔算。
4.97-0.61=88.19-7.81=8.17-4.76=74.2-11.2=
7.92+4.17=96.95+4.46=7.96+0.27=68.8+2.62=
7.08-0.91=53.76+9.73=8.2-2.56=65.2-30.5=
8.16+5.43=14.5+7.14=2.5-0.08=81.26-3.44=
一、口算。
6.1-0.9=3.9+6.5=80.3+1=0.84-0.01=
5.9+0.4=5.9+3.1=9-2.9=0.72-0.1=
1.1+0.7=7.5+0.5=54.6-4=0.52-0.33=
1.8-0.7=5.9+3.2=6.9-5.4=0.72+0.01=
4-0.3=4.3+1.3=79.4+4=0.88+0.13=
二、笔算。
8.55-0.37=31.43-7.07=8.51-1.3=66.2+21.9=
9.97+5.15=50.4+2.92=2.14+0.95=37.51+9.77=
1.42+0.05=10.17-8.32=7.74+2.08=71.2+28.6=
7.38-3.2=10.37+6.28=4.27+0.66=51.96+5.25=
一、口算。
8.1-0.3=5.1+6.1=10.4-6=0.56+0.21=
3.6+0.3=8.8+4.7=8.5+2.7=0.91+0.49=
1.9-0.3=5.5+3=69.3+9=0.53+0.26=
4.5+0.7=9.2-3.5=9.3-3.8=0.62+0.36=
3.8+0.8=3.6+8=47.5-8=0.95-0.11=
二、笔算。
2.75-0.13=68.86+3.26=7.04-3.97=56+40.8=
9.07-4.99=96.12+5.56=4.14-0.82=72.08-9.29=
1.27+0.94=91.51-3.22=8.85-5.12=67.9-7.9=
7.32-1.59=92.75+8.65=4.2-0.1=16.28+5.44=
一、口算。
6+0.8=4.8+5.2=34.5-7=0.96+0.05=
3.6-0.4=5.8-3.9=9.3-2.2=0.69-0.1=
2.9-0.1=6.2+7.9=30.7+2=0.52+0.35=
3.7+0.7=6.8-4.7=6.6+3.9=0.84+0.14=
5.7+0.6=6.5+7.2=47.5-9=0.92+0.09=
二、笔算。
6.83-0.52=31.06-9.75=8.85+1.59=96.8-16.6=
9.14+2=70.77-2.15=3.15+0.51=40.43-8.96=
1.72-0.74=11.71+5.99=9.25-4.24=67.5+48.2=
7.93+6.75=49.87+1.14=7.82-0.87=41.21+2=
一、口算。
5.2-0.5=4.2+6.9=63.5+4=0.74-0.17=
2.3+0.3=7.5-2.5=7.6+4.2=0.6+0.43=
1.5+0.9=3.1+1.3=31.1-1=0.96+0.19=
5.9+0.9=6.1+4.1=8.4-3.8=0.77-0.14=
7-0.7=2.7+3.4=69.3-8=0.54-0.36=
二、笔算。
9.15-0.1=54.55-8.36=9.24-2.35=58.4-4.7=
8.69-3.2=96.69+9.89=8.59-0.1=82.32+3=
3.94+0.16=97.18-5.99=9.61+3.3=97.1-12=
8.92-3.42=57.36-3.53=2.78+0.05=75.16-9.26=
一、口算。
7.9-0.2=4.9+5.6=37.4+4=0.67+0.33=
1.4+0.6=5.5-0.5=8.4+3.2=0.58+0.12=
7.5+0.4=6.5+6.8=11.2+8=0.81+0.17=
4.6+0.8=5.6-2.5=8.1+2.2=0.96-0.22=
7+0.4=9.5+8.2=21.3-4=0.99-0.13=
二、笔算。
3.04+0.16=55.12-4.85=8.77-5.98=67.5+18.7=
8.29-5.62=14.74+2.71=5.16-0.24=77.44+1.85=
6.84+0.29=44.33+9.32=9.48+4.53=97.6+10.9=
7.7+4.24=47.42-8.67=7.79-0.12=10.75-1.37=
一、口算。
3.8+0.1=5.9+9.3=91.6+3=0.92+0.31=
8.6+0.9=8.2-4.8=7.8-0.7=0.97+0.48=
3.7+0.9=8.2+0.9=92.8-3=0.63+0.48=
1.5-0.4=7.2-3.3=7.3+2.4=0.87-0.39=
3.7+0.8=7.8+0.3=54.1-8=0.85-0.07=
二、笔算。
6.7-0.36=50.92+5.03=8.89+1.42=67.5+13.3=
8.63+1.92=51.24-4.68=4.45-0.85=67.28+3.68=
3.77-0.04=79.75+7.19=9.42+2.79=61.3-35.1=
9.71+2.49=31.21-1.2=1.62-0.92=48.57-8.64=
一、口算。
5.2+0.3=1.4+7.3=15.6+2=0.91-0.2=
7.5+0.4=8.4-4.7=7.6+0.6=0.54+0.2=
1.5+0.7=9.7+2.2=22.2+2=0.99-0.03=
4.4+0.6=9.7+1.8=7.3-2.9=0.88-0.41=
5-0.9=3.7+3.4=40.5-9=0.93-0.07=
二、笔算。
9.31-0.86=73.37+8.12=7.62-1.12=53.5+36.8=
8.72+2.88=17.47+1.25=4.11+0.82=49.37+4.21=
1.05-0.56=88.33-5.33=9.35-1.14=86.8-46.5=
8.74+3.03=17.76-2.03=7.79+0.03=35.33+6.99=
一、口算。
7.1-0.2=0.6+1.7=91.3-1=0.75+0.29=
8.6+0.2=6.2+1.3=8.2+1.5=0.52+0.45=
8.3-0.2=2.5+4=49.8+4=0.8-0.35=
6.3+0.2=8.1+3.8=7.2-3.8=0.61-0.34=
2-0.2=5.1+4.3=27.3-2=0.79+0.41=
二、笔算。
3.13-0.66=64.92-7.72=9.99+4.72=59.9+25.4=
9.59-1.99=75.85+8.35=1.84-0.25=17.41+5.99=
4.79+0.79=62.2+9.6=8.62+3.51=75.7+33=
7.1+2.27=64.08-7.04=9.75+0.45=39.39-3.44=
一、口算。
2.7-0.1=8.5+1.5=71.4+3=0.82+0.41=
3+0.6=9.9-4.6=7.5-2.3=0.64+0.15=
3.8+0.7=4.4+1=66.3+6=0.77+0.1=
2.1-0.9=5.5-2.7=9.9+4.3=0.87-0.33=
8.4-0.4=3.9+4.3=20.1+7=0.54-0.31=
二、笔算。
4.32+0.89=18.92-8.33=9.15+3.45=92.5+6.6=
9.21+6.14=71.43+5.16=1.33-0.58=16.25-9.68=
8.37-0.09=38.13-8.27=7.18+5.19=55-24=
7.94+4.21=12.63+4.93=1.83+0.11=86.47+8.41=
一、口算。
6+0.2=1.8+9.1=34.8+5=0.92+0.4=
2.8+0.2=7.2+2.3=9.3-2.6=0.61+0.3=
8.4-0.2=0.1+0.1=82.6-7=0.8+0.08=
9-0.2=8.3+2.5=7.3-0.4=0.65+0.15=
2.1-0.8=8+7.1=55.2-1=0.86+0.12=
二、笔算。
2.93-0.4=84.96-5.1=9.25+5.72=98.5+26.7=
7.75+4.5=92.25+9.74=1.07-0.07=91.54+9.01=
1.82+0.61=21.75+5.09=7.23-4.01=83.8+10.1=
8.39+4.92=39.58+5.58=6.77-0.14=42.03+3.3=
一、口算。
4.5+0.6=3.2+3.7=16.5-7=0.66-0.22=
3.1+0.9=8.9+4=8.1+5.3=0.71-0.18=
3.1+0.3=2.1+3.4=66.5-3=0.76-0.07=
8.4+0.8=7.3-0.8=9.8+3.6=0.66+0.34=
7.5-0.6=5.2+8.7=64.6+6=0.5+0.1=
二、笔算。
5.14+0.13=99.45-7.51=8.22+5.3=96.3+41.7=
7.81-1.89=58.04+6.5=2.75+0.82=50.61-1.8=
2.39-0.11=21.84+8.36=8.12-5.76=74+10.1=
9.67+4.09=88.12+5.49=2.22-0.36=96.64+3.57=
一、口算。
4.2-0.1=9.7+3.3=61.5-4=0.66-0.24=
3.9+0.4=9.9-1.5=7.8-0.6=0.6-0.19=
6.8+0.6=4.4+0.9=70.2+6=0.65-0.07=
2.4-0.2=8.5+4.3=9.1+2.5=0.83+0.25=
1.2+0.8=3.6+2.3=65.5+9=0.97-0.39=
二、笔算。
6.51-0.29=82.13-2.72=8.68-4.58=50.8+41.4=
9.72-3.2=39.1+7.09=6.97+0.2=41.3+2.62=
3.48-0.63=14.07+8.56=8.88-5.75=90.8+24.7=
7.15-6.43=56.88+5.27=5.68+0.74=75.93+5.94=
一、口算。
8.8+0.8=2+9.9=61.4+2=0.73-0.46=
7.6+0.9=5.7+3.8=7.2+1.3=0.8+0.01=
4.3+0.7=7.5+4.4=21.6+9=0.75+0.17=
3.8-0.5=8.1-2.1=8.2-1.4=0.62-0.16=
3.6+0.1=0.6+6.4=35.5+3=0.9-0.13=
二、笔算。
7.78+0.4=64.74-3.47=7.34+1.37=53.7-13.9=
9.61-4.82=85.35-2.23=6.01-0.84=89.64+8.37=
3.63+0.79=89.83+9.69=7.44-2.64=75.1-9.8=
9.24+2.5=18.98-7.86=5.44+0.99=76.61-3.53=
一、口算。
3.3+0.9=8.7+6.3=48.2-4=0.85-0.43=
3.4+0.7=9.9+1.4=9.1+0.9=0.52+0.34=
7.4+0.6=0.3+6.6=86.6-6=0.57+0.01=
2.1+0.3=5.8+2.5=6.3+3.3=0.85+0.3=
4.4+0.2=2.4+6.4=97.2+1=0.72+0.2=
二、笔算。
5.81+0.27=62.62-6.65=8.04+4.72=52+29.1=
9.94+5=40.11+7.45=5.45-0.22=88.06+2.76=
7.77-0.94=70.6-9.95=9.72+5.12=56.3+48.3=
9.79+6.4=14.05-2.67=3.48+0.91=99.65-2.4=
一、口算。
8.7-0.3=5.4+4.4=39.9+1=0.57-0.24=
7.2+0.9=7.5-0.2=6-5.3=0.87-0.47=
6.1+0.9=5.6+6.9=58.9+5=0.7-0.33=
1.8-0.3=7.5+1=7.3-3.7=0.6+0.48=
2.8+0.1=1.8+7.6=53.2+5=0.61-0.27=
二、笔算。
5.64+0.36=35.83-8.64=8.75+3.08=59.5+15.9=
7.81-2.96=48.3-2.44=4.5+0.29=25.64+5.48=
1.96+0.53=53.89-3.49=8.5-6.4=69.5-25.4=
7.88+5.27=80.1+7.47=1.15-0.14=62.92+2.98=
一、口算。
7.9+0.8=1.7+3=23.9+6=0.88-0.23=
2.5+0.8=5.5-1=7.8-2.3=0.77-0.11=
1+0.2=6+7.5=16.8+1=0.7-0.1=
4.1-0.4=6.1-4.8=6.1+2.7=0.87-0.38=
6.5-0.5=1.5+1.2=73.9+1=0.55-0.08=
二、笔算。
5.4+0.53=14.95+6.62=8.29-1.34=99+35.8=
9.66+1.38=18.3-8.49=2.94+0.57=13.07+3.76=
8.07+0.11=81.89+8.01=7.37+1.95=54.5-30=
7.66+5.24=82.2+6.57=5.93-0.93=44.72+8.29=
一、口算。
1.1+0.8=2.6+9.5=45.6-1=0.76-0.29=
7.7+0.2=8.7+3.1=7-4.8=0.95-0.11=
5-0.5=3.2+5.5=27.9+1=0.76+0.14=
3.3+0.2=6.7-2.5=7.9-0.8=0.68+0.25=
1.8+0.2=8.1+5.3=46.3-9=0.65-0.22=
二、笔算。
4.84+0.71=85.6-5.22=8.56-2.54=61+33.1=
7.68+6.42=74.26+4.58=6.02+0.22=70.6-3.64=
1.52+0.75=45.52-6.38=9.59-2.99=57.1-12.8=
7.22+3.84=13.51+9.16=5.14-0.77=57.04+2.06=
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