四年级数学下册小数加减法练习题精选146.docx
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四年级数学下册小数加减法练习题精选146.docx
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四年级数学下册小数加减法练习题精选146
一、口算。
5.8+0.1=3.1+2.6=96.7-2=0.82+0.03=
2.8-0.5=7.4+1.9=7.9-5.5=0.58-0.24=
8.4+0.9=0.4+5=78.1+9=0.97-0.04=
5.4+0.2=6.9-3.8=8-4.7=0.92+0.02=
1-0.5=1.3+4.2=79.8-5=0.99-0.11=
二、笔算。
1.46-0.31=30.72-4.58=7.38-6.67=90.2+16.5=
8.95-4.93=57.77-1.95=7.45+0.44=36+5.21=
6.61+0.09=79.7+3.44=8.14-1.26=75.7-42.9=
7.63+1.17=20.69+7.33=4.37+0.46=13.65+6.62=
一、口算。
1+0.7=5.7+4.9=92.4+9=0.99+0.35=
8.3-0.9=6+1.9=9.9+0.2=0.71-0.2=
6.2+0.5=7.4+3.8=70.2-3=0.76+0.21=
6.3-0.6=5.1-2.1=8.2-2.7=0.88+0.06=
5.5+0.9=8.7+6.3=96.2-3=0.53+0.22=
二、笔算。
7.44-0.33=15.24+1.12=7.45+5.78=71.4-17.1=
9.01+4.63=37.77+8.88=8.07+0.8=15.19-8.16=
3.58-0.63=70.63-6.6=8.04+4.31=79-39=
9.36-2.88=33.21-5.13=3.71+0.63=60.54+1.65=
一、口算。
7.7+0.6=4.8+9.9=38.4-8=0.63-0.01=
5.2-0.7=8.8+1.7=8.4+2.5=0.65+0.01=
6.4+0.2=0.7+5=18.9+4=0.85-0.08=
1.7-0.9=8.5+2.5=8+0.1=0.76-0.49=
2.3-0.5=8.2+0.7=54.6+1=0.7-0.17=
二、笔算。
1.42-0.74=56.48-8.04=9.94-3.42=82.8+47.2=
7.98-3.54=93.57-3.78=5.25+0.01=22.07+9.84=
9.74+0.11=83.37+1.56=9.09-3.55=68+10.9=
7.65-6.59=43.5+2.07=2.53-0.12=98.54+7.09=
一、口算。
3.1-0.3=9.2+0.1=99.5+3=0.52-0.04=
8.8-0.9=6.6-1.7=8.3+3.5=0.92-0.09=
6.5-0.1=7.8+1.9=74.6+1=0.86+0.14=
4.8+0.2=8.2+4.3=8.9-1.2=0.54-0.35=
8.3-0.9=7.5+3.9=32.2+7=0.8-0.04=
二、笔算。
1.68-0.36=52.84+7.8=9.54+5.08=82.8-41.4=
9.67-3.93=90.55-6.05=6.77-0.27=17.04+4.9=
9.74+0.75=16.99+7.74=8.79+3.8=77.7-35=
8.11+6.15=94.12+4.79=3.65-0.13=94.71-9.22=
一、口算。
4.3-0.2=4.2+3.5=34.8-1=0.6-0.43=
6.5+0.5=7.6-0.7=7.4+5.2=0.93-0.03=
3.1+0.5=7+0.1=16.6+5=0.73-0.23=
7.2+0.6=5.2-3.5=7.5+0.9=0.73-0.49=
3.4-0.5=7.7+9=85.5+2=0.74-0.33=
二、笔算。
7.4+0.73=41+4.47=9.43+6.63=61.3-14.4=
9.5+4.66=49.85-3.18=4.39-0.36=39.73-6.6=
9.63-0.8=13.59+9.81=7.32+3.44=78+24.3=
9.88-5.08=23.63-2.33=2.71+0.86=82.75-2.82=
一、口算。
7.5+0.8=2.8+7.2=96.1-6=0.97+0.48=
2.8+0.5=5.7-4=7.1-4.2=0.88-0.01=
2.8+0.7=3.8+1.9=51.9-5=0.8-0.49=
2.1+0.3=5.5+3.6=7.1+4.5=0.66-0.42=
3.5+0.1=9.6+3.9=13.1-5=0.64+0.31=
二、笔算。
1.56+0.05=64.14-8.49=7.96+4.76=91.6-37.7=
8.41+4.04=58.47-7.65=7.81-0.38=24.18-9.61=
5.39+0.89=38.03+5.76=9.49+3.67=91.5-35.4=
7.18+5.88=35.5+6.01=9.18-0.88=77.25+8.98=
一、口算。
8.3+0.1=7.5+6.7=94.4-3=0.75-0.48=
7.1-0.6=5.5-4.7=8.6+1.1=0.51-0.08=
6.4+0.4=5.3+9.6=42.5-1=0.54-0.25=
2-0.6=5.7+4.3=7.9-4.9=0.8-0.14=
4.5+0.3=6.6+0.5=77.2-6=0.93-0.06=
二、笔算。
7.7-0.29=19.65-3.85=7.64+2.18=71.2+33.6=
8.16-5.02=71.58+3.93=9.46-0.08=34.5+5.08=
5.5-0.87=52.3-5.13=8.78-4.05=52.3-19.6=
7.62-1.35=54.37-5.6=4.73+0.06=37.67+8.56=
一、口算。
6.8-0.3=5.2+5.1=35.2-2=0.95+0.46=
4.9-0.9=5.2-4.6=9.7+0.5=0.72-0.38=
5.8+0.9=0.2+4.2=17.5+7=0.89-0.24=
4.4-0.6=8.1-3.8=6.1-1=0.83-0.12=
1.5+0.4=7.6+2=79.9+1=0.86-0.03=
二、笔算。
5.96+0.79=81.29-3.39=9.94+6.52=79.7-4.1=
9.97+4.55=97.53+5.56=4.17+0.37=49.47-7.32=
9.97+0.43=91.6+1.64=8.14+4.23=73.5+30.6=
8.5+6.52=20.62-1.49=6.51-0.68=52.19-7.63=
一、口算。
7.8-0.9=9.8+5.7=80.4-5=0.96-0.15=
7.2-0.3=6.1-0.6=7.3+4=0.75+0.35=
1.5+0.4=9.7+6.6=59.7+4=0.59-0.27=
5.3+0.1=7.2+1.9=6.9-0.1=0.68-0.3=
5+0.2=8.3+0.7=75.8+6=0.82-0.45=
二、笔算。
3.58+0.74=56.35+2.36=7.44-5.02=54.9-44.5=
9.79-2.77=74.03-5.76=8.47-0.64=11.58-1.14=
8.81-0.06=15.18+1.05=7.24+1.72=76.3+6.4=
9.55-4.92=87.84+4.33=8.75-0.48=19.61+6.41=
一、口算。
2.9-0.6=5+5.8=45.2-4=0.8-0.26=
7.7-0.6=9.7-4.9=9.1+1.4=0.92+0.24=
3.1-0.8=4.9+1.9=72.8+4=0.8+0.18=
8.2+0.1=9.4-0.6=8.2+5.9=0.65+0.01=
5.1+0.2=0.4+4.7=16.4+5=0.51-0.42=
二、笔算。
7.27+0.26=74.42-9.89=8.27-5.71=73.2-13.9=
8.25+4.14=31.08+8.94=6.35+0.21=24.98-9.33=
4.09-0.32=66.46-9.19=9.22+1.72=83.3-15.5=
9.31+2.53=88.27-1.15=6.39+0.23=77.76+4.95=
一、口算。
4.5-0.7=1.9+6.7=58.5+1=0.95+0.43=
8.8+0.9=8.2+3.6=9.5-3.3=0.83+0.4=
5.4-0.8=3.9+4.2=14.6-7=0.82+0.06=
8.2+0.7=7.6-0.6=7.6+1.2=0.85+0.35=
3.7-0.7=6+1.4=33.2+6=0.75-0.14=
二、笔算。
2.52+0.06=43.48-4.33=9.45-4.68=79.1-32.7=
8.62-4.88=49.02-6.9=4.51-0.52=78.75+7.79=
7.45-0.99=21.63-5.52=7.48-4.74=61.8+13.2=
9.93-4.66=97.47-7.41=1.54+0.42=52.53-8.23=
一、口算。
7.1-0.7=6.3+6=20.7+5=0.57+0.33=
1.3-0.4=7.6-4.5=9.2+1.9=0.82-0.21=
7.7-0.9=3.6+8.3=63.8+9=0.59+0.07=
1+0.6=8.7-4.7=9.3-1.5=0.87+0.39=
7.9-0.6=8.9+7.3=14.8+7=0.84-0.21=
二、笔算。
6.4+0.09=34.96+8.71=9.52-3.31=50.9-29.5=
7.85-6.95=95.11-1.73=2.89+0.01=56.93+4.9=
1.58+0.72=23.96-1.44=8.52-6.38=77.8-10.6=
7.76-4.51=81.89-2.01=7.43+0.43=22.09-3.04=
一、口算。
7.7+0.6=3.3+5.1=56.1-8=0.7+0.31=
8.6+0.5=5.5-2.5=8+3.2=0.84+0.46=
2.3-0.2=4.7+6.4=49.4-8=0.73+0.23=
4.5+0.2=7+4=8.5-3.4=0.53-0.36=
6.3-0.7=3.6+6.3=13.5+7=0.78-0.23=
二、笔算。
6.88-0.06=28.17-4.32=8.83-5.45=84.9-2.1=
9.67+5.48=44-4.74=8.44+0.42=12.6+4.72=
7.77+0.15=37.93+5.02=7.18+6.28=77.1+29.1=
7.01+6.18=11.2+6.63=7.04+0.06=82.59-5.76=
一、口算。
6.1-0.7=9.4+2.8=46.4-1=0.91+0.14=
5.2+0.4=9.6-1.9=9.2-3.3=0.86-0.22=
3.3+0.1=0.9+9.2=59.6+3=0.94+0.09=
3.8+0.7=6.5-2.1=7-5.2=0.77-0.46=
2.9+0.7=7.9+9.1=77.4-9=0.78+0.37=
二、笔算。
8.82+0.61=76.2-3.71=7.5+1.12=95-29.3=
7.17+6.54=29.59+5.82=3.84+0.67=83.6+9.02=
8.53-0.11=66.52-8.49=9.41-5.78=56.4-41.7=
8.19+5.33=64.68+3.82=3.69+0.22=67.29-4.84=
一、口算。
8.8-0.3=4.3+3.8=61.7-7=0.6-0.18=
7.4+0.5=7.8-0.8=9.4+4.3=0.51-0.22=
8.7+0.6=9.4+1.7=40.9-7=0.87-0.03=
3.9+0.5=9.9+2.7=9-5.5=0.89+0.27=
2.1+0.2=4.9+0.5=55.2-8=0.88-0.19=
二、笔算。
5.98-0.08=97.34+3.6=8.06-4.43=82-44.6=
8.62+4.47=45.4-7=2.38+0.26=68.77+1.34=
5.69+0.23=99.77+2.73=8.03-2.55=91.8-31.5=
9.62+3.13=22.14+4.31=2.32+0.26=67.1+9.01=
一、口算。
5-0.4=3.7+4.5=15.5+1=0.99-0.47=
6.4-0.8=5.9-4.5=8.5-4.4=0.71+0.27=
1.2-0.1=4.5+9.5=43.4-2=0.58+0.2=
4.4+0.9=7.1-4.8=6.5+0.7=0.61-0.47=
2.4+0.7=2.9+9=42.5-5=0.73-0.32=
二、笔算。
9.9+0.47=98.5-9.99=7.84-1.75=53.1+28.5=
8.18-5.66=70.37+9.06=3.63-0.81=78.34+1.6=
6.36+0.63=64.37-9.42=8.03-3.35=91.5-37=
7.29+4.92=11.44-3.08=6.2+0.61=96.24-9.96=
一、口算。
7.2+0.6=9.3+1=40.3+1=0.63+0.4=
8.1-0.6=9.1-2=8.2-1.4=0.62-0.22=
1.2+0.4=2.3+6.7=98.2-7=0.72+0.16=
3.2+0.4=5.8-1=8.6+2.2=0.94-0.25=
8.4-0.6=4.7+9.5=87.5-4=0.89-0.24=
二、笔算。
3.51+0.71=35.62-2=7.64+4.35=54.5-4.2=
9.19-3.8=20.83-8.7=5.46-0.29=31.59+8.6=
5.41-0.87=15.86-1.09=7.89-3.43=91.8+21.4=
8.68+2.86=97.07+2.83=4.31-0.47=76.89+8.87=
一、口算。
7.4+0.7=9.1+5.8=43.4+5=0.7+0.35=
4-0.3=6.2+0.9=9.5+4.8=0.69-0.07=
6+0.2=3.5+2.3=96.3-9=0.59+0.13=
4.8+0.9=5.8-0.2=8.7-4.8=0.57+0.34=
1.4-0.8=8.2+6.1=90.4-4=0.84+0.09=
二、笔算。
1.3-0.44=86.46+1.54=7.12-2.1=58.2-6.7=
7.6+4.75=95.77+6.14=2.04-0.87=16.38-9.88=
5.85-0.81=43.57-3.3=9.24-1.74=79.6+49.1=
8.87-4.95=47.34-7.7=7.67-0.81=42.79+5.06=
一、口算。
5.6+0.6=3.4+8.3=28.4+9=0.7+0.41=
7.6-0.2=9.5-4.6=6.9+5.4=0.91+0.39=
1.5-0.6=9.5+2.1=10.1-5=0.95+0.17=
7.6+0.1=9.8+4.9=7.6-2.6=0.65-0.37=
6+0.8=2.8+6.4=32.6+9=0.95+0.49=
二、笔算。
8.08+0.24=66.91-5.12=9.3+2.9=55-48.7=
9.16-2.65=79.96-2.02=9.08+0.06=88.1-2.53=
7.17+0.86=51.77+2.14=7.59+2.57=56.8-13.3=
9.45+4.79=56.98+9.77=8.7-0.42=24.08+3.76=
一、口算。
2.3+0.5=2.3+1.9=50.6+7=0.61+0.09=
1.2+0.8=6.4+1.3=7.1+1.6=0.5+0.34=
3.3+0.5=4.3+7.5=62.2+2=0.7-0.2=
1.6+0.7=6.7+0.4=6.2+4.4=0.79-0.36=
1.5+0.6=4.1+4.4=19.7+7=0.81+0.13=
二、笔算。
3.42-0.91=30.78-6.85=7.2-2.6=86.9+38.9=
7.9-3.11=16.69-9.72=4.11-0.18=84.52+6.65=
5.83-0.97=48.84+2.28=7.07+3.06=65-21.6=
8.94+6.16=75.53+2.47=3.01-0.72=67.72+5.42=
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