四年级数学下册小数加减法练习题精选38.docx
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四年级数学下册小数加减法练习题精选38
一、口算。
6.6+0.1=3.2+3.1=36.1+8=0.78-0.08=
4.7-0.3=8+2.9=7.6+3.1=0.65+0.44=
1.7-0.7=0.4+6.2=67.3-8=0.97+0.04=
8.8-0.9=5.8-3.9=8.4+2.1=0.62+0.2=
8.3+0.7=9+5.5=86.7+9=0.99+0.44=
二、笔算。
6.69+0.03=95.09-8.12=8.65+6.42=83.7-40=
8.62+1.98=71.78-8.59=6.32-0.74=95.72-3.22=
4.61-0.7=51.32-9.07=8.14+4.97=73.1-29=
7.18+2.94=92.73+3.55=8.17+0.38=33.54-1.22=
一、口算。
6.6-0.6=2.9+8.5=63.4+3=0.91-0.1=
6.6+0.1=6.5-2=8.6+0.6=0.68+0.1=
1.8+0.6=7.7+0.9=51.7+8=0.65-0.27=
7.8+0.2=8.3-2.2=6.1+3.8=0.59+0.16=
2.2+0.2=0.8+0.6=78.6+1=0.56+0.4=
二、笔算。
3.81+0.99=82.07-8.75=7.98-1=87.7+24.6=
8.75+3.02=74.08+2.61=9.75-0.2=38.87-4.49=
5.05+0.45=56.97-1.87=7.98+4.33=56.9+20.1=
9.31+5.85=26.49-8.49=9.05-0.69=41.83-5.01=
一、口算。
5.7-0.1=5.5+6.1=27.1-3=0.98+0.31=
2.3-0.5=8.5+1.2=7.3+1.6=0.88+0.39=
3.5-0.4=6.9+5=47.5-2=0.94-0.16=
2.9-0.5=8.2-1.4=7.9+5.6=0.83-0.29=
3.1+0.2=6+9.5=70.6+7=0.84-0.35=
二、笔算。
7.19-0.91=63.69+5.07=8.39+4.09=87.6-2.3=
8.76-6.72=35.94+5.03=2.27+0.31=90.13+8.07=
1.72-0.97=44.25-2=9.52-1.18=61.8-37.8=
9.2-6.29=88.26+9.57=9.3-0.83=26.27+7.96=
一、口算。
8.1+0.4=8.5+7.8=74.9+2=0.52-0.44=
9+0.1=5.4+4.8=6.9+4.8=0.53-0.19=
2.4+0.4=5.6+9.7=62.5+8=0.9-0.16=
2.1-0.7=5.1-2.7=6.3+5.2=0.77-0.39=
2.9-0.4=2.7+9=22.8+2=0.52+0.09=
二、笔算。
7.09-0.28=70.25+2.4=8.53+6.54=82.8+17.8=
7.25-5.63=69.81-7.51=3.69+0.55=94.14-9.58=
3.71+0.75=69.67-9.73=8.49-1.36=71.4+26.3=
8.97+5.8=49.03-8.57=6.66+0.82=95.59+7.57=
一、口算。
3.4+0.7=9.1+1.2=96.1-3=0.61+0.46=
3.2+0.3=9.1+1.9=8.1+4.8=0.82+0.46=
6.5+0.3=3.8+8.2=12.3-4=0.74-0.3=
2.7+0.7=7.2-3.5=6.9-2.4=0.58+0.39=
4.4+0.8=6.7+2.6=23.8-7=0.51-0.23=
二、笔算。
4.68+0.94=58.76-3.8=8.02-3=72.7+10.3=
8.37-5.38=67.6+8.82=2.36+0.87=81.24+1.13=
5.85+0.22=85.72-2.55=7.61+5.79=88.9-43.5=
7.57-4.93=43.1+1.98=2.67+0.43=45.49-6.45=
一、口算。
7.4-0.6=6.1+4.5=74.1+8=0.98+0.14=
7.2+0.3=7.1+0.5=7.6-2.4=0.94-0.24=
1.8-0.1=8.1+9=30.5-4=0.94+0.31=
8.9-0.9=6.4+3.6=7.4-5.3=0.88-0.11=
5.4-0.4=5.8+6.6=62.2-4=0.51+0.18=
二、笔算。
4.7-0.35=86.56+1.76=9.06+4.43=89.7+43.3=
8.22-5.84=50.98+7.55=4.46-0.2=83.53-5.52=
7.23+0.89=73.76-7.52=8.32-2.71=82.6-24.6=
8.21+2.94=65.71+1.95=1.7-0.86=13.89-7.22=
一、口算。
1.8-0.8=2.4+7.3=27.4-6=0.87-0.44=
7.2-0.5=8.1+3.1=7.3-1.9=0.76-0.43=
9-0.8=9.3+3.6=25.3+1=0.95+0.32=
8.2-0.3=7.4-4.8=6.8-2.3=0.86+0.42=
4.4+0.2=2.8+5.4=44.6+9=0.81-0.36=
二、笔算。
7.21+0.07=38.32-4.51=9.86+4.54=82.6-28.6=
9.36+3.85=32.7+5.62=5.8-0.6=10.91-8.91=
8.29-0.58=98.69+5.99=9.05-4.61=51.6-11.5=
8.62-1.57=82.25-8.87=1.46-0.1=46.21+4.1=
一、口算。
2+0.9=1.2+7.2=84.2+4=0.97+0.47=
6.4+0.3=8.3-1.7=7.4+3.9=0.56+0.42=
8.7-0.5=9.3+0.9=18.7-5=0.7+0.31=
2-0.5=9.5+3=6.2-1.7=0.59-0.44=
6.5+0.4=7.4+0.9=60.3-1=0.85-0.33=
二、笔算。
9.16+0.87=24.56-2.85=7.91+4.01=76.9+17.8=
8.52-4.57=72.4+5.61=7.78-0.41=84.07+9.36=
8.98+0.38=54.07+8.23=7.52+1.09=51.5-19.4=
7.11+6.34=49.02-3.48=3.12+0.44=79.01+2.68=
一、口算。
7.9+0.3=4.8+6.3=41.6-9=0.83-0.14=
8.6-0.2=6+3.4=6.8-0.4=0.66+0.38=
7.3+0.2=9.5+3.3=78.2+7=0.82-0.44=
7.5-0.2=9.9-0.8=7.6+1.7=0.86-0.27=
2.8+0.3=6.3+5=62.8-9=0.68+0.21=
二、笔算。
6.6-0.92=43.16+3.67=8.79+5.95=66.8+41.6=
8.81+5.72=39.25-8.09=9.29-0.1=88.85+1.38=
7.51+0.84=52.61+9.08=8.55-3.18=83+27.5=
8.5-2.63=26.94-1.43=2.33-0.46=78.93-4.19=
一、口算。
3.5+0.2=2.5+9.9=93.8-9=0.6-0.21=
3.2-0.5=8.7+0.8=7.9-1.1=0.51-0.42=
7.6+0.2=2.1+1.3=61.7-3=0.56-0.11=
2.8-0.9=7.7+3.6=7.3+5.3=0.7+0.06=
2.6+0.1=9+7=73.5+9=0.74-0.46=
二、笔算。
9.2+0.44=42.4-2.49=9.06+4.38=62+33.9=
9.99+3.06=33.99-4.7=2.81-0.75=47.81-9.08=
4.73-0.92=59.77-5.62=7.79-4.37=76.1+13.4=
8.64+3.99=61.83+2.32=9.41-0.18=68.24-8.01=
一、口算。
6.9-0.3=3.1+3.4=36.3-7=0.78+0.04=
3-0.1=5-0.6=9.7-5.5=0.64-0.22=
2.1+0.5=5.7+4.9=39.6+3=0.87+0.02=
2.5+0.5=7.7-2.1=7.3-1.9=0.96-0.12=
1+0.8=0.7+3.1=53.9+1=0.7-0.2=
二、笔算。
2.3+0.91=63.8+8.25=7.05-3.84=78.1+8=
9.19+1.05=53.33+7.26=7.02+0.78=22.84+6.34=
7.9+0.18=83.52+2.02=8.42-5.68=56.3-48.4=
9.08-4.06=42.77-6.81=4.05+0.83=91.63-3.31=
一、口算。
1.8-0.4=8.5+8.1=36.6+9=0.92-0.38=
2.8-0.3=5.8+2.1=9.9-4.5=0.77-0.38=
8.3+0.2=1.3+3=85.4-5=0.96-0.47=
1.6-0.9=9.3-1.6=6.2-5.4=0.94+0.04=
6.9-0.6=9+1.3=46.5-7=0.76+0.2=
二、笔算。
7.93-0.08=80.32+6.54=9.94+4.85=98.2-17.9=
8.82+6.23=24.25+6.81=6.41-0.44=97.81+5.17=
9.64+0.02=23.98+9.84=8.87+1.83=58.5-31.4=
8.65+5.14=72.01-9.28=5.92-0.86=61.87-5.63=
一、口算。
4.7-0.6=3.1+3.1=60.2-8=0.83+0.37=
1+0.8=8.4-3.8=6-4.6=0.59-0.18=
2+0.8=4+2.6=70.7-7=0.96-0.33=
1.4+0.1=9.9-2.2=6.7-1.7=0.91+0.36=
7.8-0.3=7.3+6.5=77.1-2=0.9-0.26=
二、笔算。
4.35-0.54=42.01-3.66=9.49-1.26=86.7+16.9=
8.05+2.89=71.76+3.26=8.68+0.68=41.96+3.98=
3.83-0.08=28.75-8.25=7.95+5.24=94.9-7=
8.06+2.59=89.35+8.42=9.57-0.78=84.57+4.8=
一、口算。
3.3+0.6=6.3+9.5=68.8+7=0.52-0.34=
7.8-0.4=8.8+4.2=8.9-1.6=0.93+0.26=
4.9-0.8=2.6+9.8=20.3+9=0.5-0.23=
1.7+0.5=8.4-3.7=9.6-4.2=0.77-0.43=
3.1+0.4=3.3+4.5=46.6-8=0.58+0.16=
二、笔算。
6.94-0.02=44.34+4.74=8.27+6.68=91.3-36.9=
7.27+4.25=78.79+8.91=9.8-0.61=74.61+2.79=
9.25+0.48=19.42+2.95=9.4-4.73=63.7-21.4=
9.14+3.79=86.97-9.96=2.8+0.12=21.02-6.49=
一、口算。
5.5+0.3=3.3+4.8=71.9+8=0.59+0.1=
3.2-0.1=9.1+2.2=7.1-2=0.66-0.39=
8.3-0.2=8.1+6.4=99.9-5=0.73-0.26=
5.1-0.6=6.7-4.1=7.2+4.5=0.78-0.3=
4.6-0.6=3.6+3.7=71.1+4=0.93-0.01=
二、笔算。
4.24+0.27=38.18-6.73=8.4+6.9=76.7-45.5=
8.9+3.54=79.74+3.51=6.41+0.53=75.47-9.99=
3.33-0.54=64.59-3.37=7.6-1.47=99.9-31.4=
8.36-4.09=94.51+9.34=1.39+0.06=30.11+5.8=
一、口算。
4.1+0.5=0.8+3=30.6+2=0.93+0.35=
3.6-0.1=6.4+2.2=8.9-5=0.66-0.04=
8.9+0.3=0.1+6.7=88.9+8=0.75-0.16=
8.1+0.5=7.1-4.8=9.7+5.1=0.53+0.35=
4+0.8=4.4+8.8=73.7+8=0.84+0.19=
二、笔算。
8.94+0.09=55.78+4.76=7.7+1.01=59.3+34.5=
9.77+4.75=44.15-6.56=4.42-0.52=97.05+1.35=
1.39+0.45=46.38-1.77=7.99-5.89=76.5+41.4=
8.05+6.97=25.56-1.93=7.18+0.32=68.31+1.41=
一、口算。
3+0.1=7.9+5=39.9+9=0.88+0.09=
1.8+0.2=7.4-1.6=8.6-2.1=0.88-0.05=
5.5-0.6=5.4+7.7=98.9+8=0.57+0.05=
2.8-0.1=7.5-3.2=8.7-0.6=0.56-0.21=
8.3-0.9=2.2+3.6=86.2-2=0.62+0.02=
二、笔算。
9.22-0.35=26.36-9.62=7.29-5.67=57.3-42.4=
7.83-1.26=39.98-1.83=5.31+0.47=99.68+6.03=
2.77-0.86=34.93+3.18=7.09-5.16=50-13.6=
9.22+3.91=72.44-1=2.87+0.78=44.23+5.18=
一、口算。
3.7+0.1=1.1+1.4=29.5-4=0.89-0.39=
3.8-0.5=5.6+4.4=6.7+1.7=0.66-0.18=
5.3-0.7=4.4+4.4=13.9+1=0.53+0.42=
2.1+0.6=6.7+3.2=9.5+4.6=0.64-0.19=
4.9-0.6=8.8+1.9=57.7-9=0.8+0.22=
二、笔算。
9.7-0.98=31.72-6.26=9.42-5.07=85.8-30.7=
9.59+3.04=27.53+9.98=7.25-0.11=80.66+7.26=
9.67+0.93=75+2.04=9.56-5.15=60.9+41.6=
8.2-4.86=97.83-5.66=3.2-0.23=99.54-2.45=
一、口算。
4-0.2=8.6+7.8=37.7+5=0.95-0.48=
1.5-0.3=5.2+2.4=7.4+3.9=0.51+0.12=
7.4-0.2=1.3+6.6=77.9+2=0.86-0.44=
6.8-0.2=7.7+3.3=8.2+2.6=0.77+0.06=
4-0.3=6.6+3.4=43.5-9=0.53-0.2=
二、笔算。
3.05+0.68=41.4+4.84=9.97+1.78=79.1+11.3=
8.35+2.22=10.59+6.89=7.84+0.66=97.38-2.98=
5.38+0.65=45.8+3.14=7.72+4.05=53.7-14.6=
8.19-4.35=13.17+4.83=3.9+0.32=15.82+9.4=
一、口算。
8.9+0.8=6.5+8.4=37.2-3=0.68-0.22=
8.4+0.7=7.8-4.4=8.2+5.1=0.71-0.26=
7.7+0.1=2.4+0.7=78.6-7=0.74-0.44=
7.7+0.3=9.4-3.9=7.3-1.3=0.95+0.36=
3.7-0.4=6.5+5.7=50.2+7=0.87-0.05=
二、笔算。
9.57+0.75=42.56+7.23=7.3+6.29=79.9-49.2=
8.8-6.6=78.19+4.4=9.67+0.88=19.3-1.21=
2.72-0.5=18.34+3.54=7.22-4.46=74.8+34.3=
8.61+4.53=29.14+6.53=1.39+0.08=79.56+4.0