四年级数学下册小数加减法练习题精选157.docx
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四年级数学下册小数加减法练习题精选157
一、口算。
2.5-0.4=6.1+1.1=64.5+6=0.72+0.33=
6.8+0.3=6.1+3.2=8.2+5.2=0.81+0.11=
2.1+0.1=5.9+5.1=77.3-8=0.74-0.21=
1.4+0.5=7-1.6=7.1-0.4=0.87+0.08=
3.6+0.4=9.3+3.5=59.3+1=0.97+0.04=
二、笔算。
4.04-0.75=36.74-2.57=7.02+2.48=75.6-39.5=
7.75+6.63=26.42+9.68=4.77+0.76=73.83-2.42=
9.9-0.05=85.69+1.72=9.3+2.47=80.5+39=
8.6-5.65=79.04+5.79=4.64-0.32=24.13+8.44=
一、口算。
6.4+0.1=5.3+7.4=43.2+1=0.83-0.37=
2.5-0.4=9-3.9=6+5.3=0.59+0.41=
3.9+0.8=6.5+1.2=21.7-1=0.94-0.34=
7.6-0.8=6.7-1.7=9.2+4.5=0.84-0.44=
7.1+0.3=1+1.9=10.9+5=0.84+0.1=
二、笔算。
3.3-0.93=17.97+8.55=8.61-5.49=72.6-37.5=
9.6+1.15=80.49-3.32=5.66-0.22=74.31+2.09=
3.24+0.2=33.99+6.83=8.73-2.62=91.1+11.8=
7.55-1.26=82.61-8.74=7.93+0.29=12.07+3.64=
一、口算。
7.7-0.7=7.5+1.3=11.4+2=0.54+0.18=
2.5-0.1=5.6+1.7=6.3+0.9=0.7-0.18=
4.2+0.1=5.7+3.8=81.9-7=0.88-0.41=
3.6-0.7=6.3-2.7=9.3-2.8=0.85-0.45=
8.9+0.4=4.2+7.5=40.5-4=0.58-0.39=
二、笔算。
4.74-0.92=70.01-7.44=8.5-2.34=67.2-12.9=
8.49-2.59=55.51+2.18=6.52-0.52=28.53-2.62=
6.75+0.68=94.17+6.59=9.44+4.64=97.7-10.9=
8.26-4.31=36.51-7.64=1.04-0.93=64.67+6.48=
一、口算。
3.5+0.9=6.5+4.2=45.5+9=0.62-0.03=
7.1+0.2=7.1-3.5=6.8+3.6=0.52-0.42=
5.3-0.5=1.1+8.2=66.1+4=0.94+0.04=
5.9+0.1=7.1+0.7=9.1+4.5=0.55-0.2=
8.1+0.5=0.3+6.2=54.2-5=0.77-0.35=
二、笔算。
2.23-0.55=98.78+6.99=7.86-5.44=64.6-6.4=
9.89-5.8=89+9.79=8.08+0.63=68.24+1.35=
4.29-0.43=27.13+8.81=9.46-1.49=65.7+31.5=
9.98+1.51=81.43-3.52=6.69+0.5=88.87-5.98=
一、口算。
8.9+0.1=3+3.3=76.1+5=0.56-0.26=
3.3-0.1=5.4-2.9=7.5-2.3=0.7+0.38=
4.8-0.1=2.7+9.1=17.6+6=0.52+0.23=
3.7-0.2=6.9+1.2=6.3-4.7=0.53+0.39=
7+0.9=6.1+2.4=87.1+7=0.54-0.42=
二、笔算。
7.88-0.58=39.96-5.2=7.04+6.2=90.1-17.6=
8.67-5.85=47.81-4.42=1.9-0.56=90.9-9.44=
1.92+0.36=42.67-9.39=8.92+2.4=73.8+41.8=
9.25+3.67=12.45-2.02=8.48-0.32=58.15+9.38=
一、口算。
4.7+0.5=8.2+7.3=66.8-2=0.56+0.09=
3.9-0.4=8.2+4.9=9.2-1=0.81-0.38=
4.9-0.5=1+4.1=66.9+2=0.52-0.08=
6.6+0.5=6.5-4=6.6+4.4=0.84+0.48=
3.2+0.5=8+1.9=21.6+7=0.82-0.23=
二、笔算。
6.73+0.53=65.64+3.59=9.8+2.24=70-36=
7.68-6.51=13.09-9.93=4.72-0.44=12.03-6.14=
7.01+0.2=58.37-9.4=9.67-6.13=98-19.4=
7.07-3.23=90.96-8.9=4.2-0.83=68.25-7.21=
一、口算。
9+0.1=9.5+9.1=86.8+1=0.5+0.06=
1.8+0.7=7.2-3=8.2+3.4=0.79-0.21=
8.1+0.5=8.3+7.9=25.8-4=0.78+0.2=
2.3-0.7=7.1-2.9=7.4-2.1=0.73+0.46=
1.7-0.5=8.8+3.9=16.8-6=0.91+0.22=
二、笔算。
1.65-0.61=32.61+8=7.67+4.24=88.5-38.9=
8.76+1.86=26.62-5.31=5.83-0.56=66.82-9.36=
8.86-0.05=62.45-7.79=8.78+2.67=77.6+3.8=
8.93+5.23=26.97+2.89=9.05+0.35=17.6-4.75=
一、口算。
5.1-0.3=1.3+1.8=10.4-4=0.87-0.32=
8.2-0.8=5.7+1.7=8.2+1.9=0.77-0.35=
1.7-0.7=1.1+6.7=16.7+4=0.59+0.03=
4-0.6=8.7+0.6=8.8+1.3=0.63-0.25=
3.8-0.9=9.8+0.5=73.1+9=0.77+0.31=
二、笔算。
4.15+0.8=89.92-6.66=8.48-2.96=89.2+12.3=
9.24-6.2=37.44+8.21=5.59-0.82=71.83+2.95=
6.78-0.12=31.45+1.39=7.82-4.95=79.1+8.2=
9.13-3.5=11.02-4.24=9.53+0.54=51.81+3.28=
一、口算。
4.3+0.8=5.9+5.3=34.8+2=0.51+0.43=
5.2+0.2=9.9+3.5=9.8-4.6=0.84+0.41=
8.7-0.9=4.2+3.7=51.5-5=0.78-0.08=
5-0.1=9.8+0.7=7.4-1.3=0.66+0.36=
2.1+0.7=4.5+9.7=90.4+7=0.78+0.05=
二、笔算。
2.38-0.48=24.58-4.9=8.59-2.72=82.5+22=
9.67-2.22=43.02+4.84=4.18+0.26=12.6-4.55=
4.74+0.6=20.79+6.68=9.7-4.8=93.6+40.3=
8.11+3.7=18.35-4.18=2.42-0.52=95.68-5.64=
一、口算。
6.8-0.7=5.8+1.2=33.4+6=0.62-0.16=
5-0.7=5.1+1=6-1.6=0.79-0.38=
3.1+0.3=4.8+2.3=38.4-3=0.76-0.23=
5.4-0.1=9.8+4.8=6.8-2.9=0.84-0.24=
8.6-0.2=3.9+1.3=87.7-4=0.96+0.31=
二、笔算。
3.62-0.93=94-9.55=7.85+4.04=89.3-4.5=
9.4-4.94=99.29+5.75=9.45+0.3=80.08+3.77=
4.32+0.63=82.39-7.49=7.38-6.44=65.6+46.3=
8.49+4.54=21.43+6.96=6.14-0.46=83.9+1.45=
一、口算。
5+0.2=3.2+7=41.3+1=0.84+0.24=
3.5+0.9=9.1+4=7.7+1=0.83+0.17=
3.4+0.2=3.5+5.5=26.7-3=0.55-0.45=
8.6+0.7=6.9+4.8=7.7+1.4=0.73-0.14=
4.3-0.3=0.7+2.8=67.1-9=0.77+0.42=
二、笔算。
7.52-0.47=40.31-4.45=9.45-1.95=75.7+20.5=
7.35-4.72=92.35+2.08=1.72+0.51=88.83+4.32=
6.98-0.36=20.06+4.52=9.75+5.97=91-9.9=
8.43+2.58=73.03+5.9=8.46+0.47=54.7+8.96=
一、口算。
2.6+0.9=4.4+6.9=60.1+2=0.66+0.13=
4.1+0.6=7.8+3=7.5-4.2=0.5+0.34=
7.6-0.5=1.6+9.5=18.6+9=0.91-0.02=
5.8+0.4=7.9-1.6=8.1+3.7=0.76-0.3=
3.7-0.8=1.9+6.8=76.9+8=0.6-0.14=
二、笔算。
3.13-0.69=17.87-6.2=7.48-3.14=99.4+9.5=
9.08+2.37=47.77+9.4=4.99+0.48=96.1-1.64=
5.41-0.8=45.55-4.6=7.68+6.88=97.8+7=
8.51-6.65=29.12+2.37=2.87+0.57=44.5-8.54=
一、口算。
3.8-0.9=2.3+7.2=89.3+2=0.86+0.3=
4-0.8=9.7+1.9=9.5-5=0.98-0.07=
1.6-0.8=5.1+4.8=77.9-9=0.88-0.05=
2.7+0.3=6.5+3=6.5-1.8=0.73-0.2=
2-0.9=1.4+2.9=30.7+6=0.54-0.47=
二、笔算。
2.87+0.49=35.64+6.44=9.01-3.32=83.7+48.4=
9.54-4.36=31.66-2.17=7.94-0.04=15.47+7.28=
2.83+0.82=61.06-6.8=8.8-6.2=58.5-19.3=
9.82-4.68=62+6.17=8.61+0.29=64.19-7.25=
一、口算。
6.4-0.5=7.7+8.6=54.8+6=0.51-0.28=
3.5-0.2=5.4-2.6=9.9-2.9=0.7+0.23=
5.7-0.9=1.3+5.6=39.1-1=0.77-0.16=
7.2-0.4=8-4.9=8.3+0.1=0.9+0.34=
2.6-0.1=5.6+6.1=49.9-2=0.95-0.18=
二、笔算。
9.45+0.33=18.47+6.8=7.43-3.22=90.2+15.1=
9.46-1.94=59.01-2.7=2.84+0.23=12.19+5.38=
7.24+0.15=83.18-3.05=7.7-4.2=50.4+48.1=
9.6+2.94=90.93-7.8=4.23+0.13=28.21-9.5=
一、口算。
3.1-0.3=6.2+4=18.3+2=0.75+0.36=
4.8+0.1=9.1+2.5=6.8+5.9=0.74+0.29=
6.1-0.4=9.1+0.9=20.2-6=0.96+0.29=
5.3-0.3=5.4-2.9=8.4-5.7=0.56-0.39=
1.5+0.6=5.4+6.5=45.6-4=0.84+0.32=
二、笔算。
5.9+0.06=82+7.26=9.71+1.89=60.7-24.8=
8.4-6.51=18.43-1.26=3.53-0.48=55.25+1.67=
9.22-0.54=86.52-1.73=8.14-2.15=85.9-11.9=
9.5-5.26=79.05-5.06=5.89+0.4=85.96-6.84=
一、口算。
4.3+0.3=0.7+0.5=48.2+6=0.85-0.38=
5.3-0.3=9+4.8=8.8-5.3=0.5+0.4=
7.3+0.6=4+9.4=12.4-1=0.5-0.09=
4.7+0.8=5.7-3.5=7.4-2.5=0.86-0.38=
3.3+0.1=1+7.6=77.6+1=0.5-0.11=
二、笔算。
6.48-0.7=86.28+7.72=7.58+1.76=53.2+44.4=
9.9+4.63=44.01-9.52=1.97-0.11=99.4-8.44=
9-0.54=63.13+2.93=7.24+2.22=80.8-35.5=
7.81+1.7=83.02+8.59=3.49-0.63=27.72+3.79=
一、口算。
1.1+0.9=4.1+4=20.4-2=0.81+0.3=
6.4+0.3=9+2.8=7.7+2.4=0.84+0.32=
1.2-0.4=9.8+6.5=75.2-8=0.54+0.13=
1+0.5=8.7+4.3=9.7-1.4=0.9-0.19=
2.1+0.1=5+7.2=21.9+2=0.95-0.33=
二、笔算。
1.45+0.49=83.24+6.74=7.62+4.01=57+21.8=
7.03-3.9=84.39+4.47=8.8+0.39=20.1-7.32=
7.11-0.75=76.97+7.41=7.92-5.14=99.3+39.1=
7.87-4.88=19.3-8.69=7.31-0.52=76.59+5.52=
一、口算。
6-0.5=3.7+6.5=20.7+9=0.81+0.24=
5.8+0.9=9.8+2.5=8.5+4=0.78-0.36=
6.5+0.8=7.8+0.3=32.3+1=0.64-0.21=
8+0.3=5.6-2.2=7-2.2=0.84+0.44=
3.6-0.9=7.8+1.5=76.4+6=0.7-0.45=
二、笔算。
7.83+0.13=30.39-4.32=9.81+5.55=93.8-8.5=
8.13+5.46=20.29-6.88=2.04-0.65=81.78-4.37=
3.66-0.07=36.7+2.54=8.65+5.72=99.5+40.1=
8.75+5.49=54.1-6.52=9.97-0.64=92.21-3.13=
一、口算。
4.3-0.9=5.7+9.4=22.4+8=0.9-0.39=
3.4-0.1=5.8-3.2=6.5+0.6=0.75+0.25=
4.6+0.4=0.8+4.2=61.6+2=0.77+0.46=
5.2-0.2=5.5+3.1=8.3-0.5=0.93-0.35=
7.8+0.6=4.8+0.5=63.6+8=0.73+0.06=
二、笔算。
2.88-0.78=45.19+5.84=9.94-2.33=67.2-10.9=
7.1+1.79=78.6+6.85=3.96+0.85=60.86-2.06=
4.32+0.37=98+9.99=7.79-5.56=96.6+19.1=
9.75-2.85=59.05+9.29=3.47+0.19=25.39-6.14=
一、口算。
1.9+0.5=6.2+6=56.6-3=0.96+0.39=
8.1+0.9=7.1+3.9=6.7+3.7=0.56+0.14=
5-0.9=7.4+4.3=52.1+4=0.84+0.36=
8.7-0.1=5.3-1.4=8.5+4.4=0.61+0.46=
2.5+0.4=7.3+9.1=15.2-8=0.82+0.07=
二、笔算。
5.31-0.15=32.83-2.3=9.38+4.2=93.6-28.2=
7.74-5.9=60.04+1.99=9.33+0.67=59.65-4.08=
8.77+0.65=16.72-5.07=7.26-5.08=98.5-43.4=
8.52-6.46=78.3+5.76=1.93+0.51=59.84-8.48=