四年级数学下册小数加减法练习题精选110.docx
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四年级数学下册小数加减法练习题精选110
一、口算。
2.9-0.8=2+0.4=94.3+6=0.83+0.37=
7.2-0.9=6.8+0.7=7.5+5.2=0.78+0.19=
1.5+0.1=6.4+8.7=93.4-5=0.72+0.18=
1.2-0.4=8.9-4=7-3.9=0.58-0.16=
3.9+0.2=9.7+9.5=84.6-1=0.7-0.39=
二、笔算。
1.86+0.36=49.73+2.93=7.41-3.46=98.3+42.2=
7.23+1.48=60.87-1.18=9.61+0.44=56.96-1.73=
6.56-0.78=78.31+1.75=7.4-5.96=53.7+30.6=
9.5+3.33=40.84+4.74=5.64-0.5=70.02+1.9=
一、口算。
4.8-0.1=5.8+2.6=93.5-5=0.65+0.19=
8.5-0.9=8.9+2.3=7.6-4.8=0.94-0.18=
4.2+0.2=3.6+9.3=51.7-8=0.62+0.31=
5+0.2=8.4-3.7=9.4-5.9=0.6-0.12=
1.2+0.5=9.5+6.8=78.3+2=0.5+0.18=
二、笔算。
1.01+0.62=46.85+5.19=7.72+6.92=96.3-37.3=
8.07-6.3=56.26-9.35=2.2-0.2=60.08-3.51=
5.37-0.69=95.11+8.26=8.2+4.52=70.1+19.6=
9.55-2.15=26.25+1.81=1.35-0.46=52.83-3.13=
一、口算。
2.5+0.4=7.7+2.5=45.5+1=0.74-0.31=
2.7-0.2=9.8+1.8=9.2+2.5=0.6-0.1=
8.1-0.1=9+8.3=62.3-9=0.64+0.07=
3.6-0.6=5.6-1.7=7-2.5=0.77+0.11=
6.4-0.6=0.1+4.5=54.3+7=0.8+0.19=
二、笔算。
2.75+0.61=60.65+3.95=9+3.53=97.4+37.9=
8.39-2.14=52.59+1.73=3.53-0.05=83.3+1.4=
8.55-0.58=49.79-4.81=8.27-4.21=86.3-41=
9.54+1.38=47.5+7.69=5.84+0.86=31.45+7.45=
一、口算。
2+0.8=9.1+8.6=38.5-4=0.52-0.35=
4.1-0.7=9.3+3.4=9.7-5.1=0.77-0.21=
6.5-0.5=3.8+5.9=52.7+4=0.5+0.15=
4.8+0.9=8.2-0.6=9.5+5.5=0.65+0.12=
6.1-0.6=9.5+2.7=25.9+3=0.98-0.02=
二、笔算。
4.32-0.15=58.83-4.51=8.15+2.57=50.5+39.7=
7.7+2.43=47.02-2.82=5.23+0.94=53.4-4.82=
8.11+0.69=34.34+3.96=8.29+1.92=59.8-40.4=
8.07-4.14=99.33+4.75=2.1+0.25=20.79+9.91=
一、口算。
2-0.3=3.9+0.2=99.5-9=0.73-0.48=
4+0.2=8.8-2.3=6.3+1.8=0.66+0.04=
4.4+0.1=0.6+1.8=67.2+6=0.75+0.05=
4.3+0.2=5.6+0.5=6.8+1.1=0.98-0.12=
5.7-0.1=0.5+1.1=34.5-1=0.79-0.07=
二、笔算。
3.78+0.12=37.44-3.08=8.25+2.38=93.7-49.1=
8.3+5.51=99.75-2.59=5.12+0.75=37.81+7.42=
2.13+0.77=11.17+2.79=8.79+5.66=51.2-3.7=
8.11+5.64=75.38+6.06=1.98-0.94=26.4+4.41=
一、口算。
1.4-0.1=5.4+9.6=16.1-4=0.79-0.12=
8.1+0.6=8.9-1.2=7.6-3.3=0.91-0.01=
2.7-0.3=6.6+9.4=38.6+9=0.99+0.07=
3.5+0.7=8-0.8=9.7-3=0.67-0.18=
4.6-0.7=5.8+4.7=88.6-5=0.88-0.47=
二、笔算。
6.6+0.84=96.35-5.64=9.71-3.83=61.3+25.2=
8.24+1.38=89.81-7.17=5.08+0.5=26.58+3.56=
8.54-0.8=79.66-1.49=7.55-1.54=50.2-40.8=
7.56+2.64=97.46+3.75=9.76+0.4=17.29-7.57=
一、口算。
7.2+0.9=5.2+8.2=26.2-9=0.53+0.07=
2.3+0.8=7.6+3.7=9.9+1.8=0.61-0.14=
3.7-0.7=8.2+2.1=96.2+8=0.78-0.16=
2.1+0.1=9.6-1=8.3-5.4=0.8+0.4=
7.2+0.4=7.1+6.4=21.1+7=0.61-0.27=
二、笔算。
2.78-0.82=57.69+2.99=7.67+5.95=83.6-21.6=
8.49-2.22=72.96+3.67=7.11-0.05=34.38+8.62=
5.36-0.73=72.11-6.4=8.91-5.77=84.8+14.2=
9.45+6.8=11.47-2.35=2.43+0.9=29.21-6.37=
一、口算。
3.2-0.2=0.2+4.3=17.1-8=0.88-0.19=
4.6-0.6=8.1+3.7=8.9+5.7=0.56-0.16=
9+0.4=5.4+2.2=41.9-3=0.68+0.3=
4.9+0.4=9.7-2.2=8.3+0.9=0.71+0.27=
7.9-0.6=0.5+4.5=47.9-7=0.98-0.32=
二、笔算。
6.06-0.12=24.83-5.91=9.04+1.9=98.6+29.8=
9.96-3.2=99.95-2.15=1.19-0.38=19.78+1.44=
4.85+0.75=88.74-4.76=7.02+4.92=70.9+2=
9.55-5.28=28.64-3.28=7.3+0.18=47.45+4.04=
一、口算。
3.3+0.2=8.8+5.4=20.4-5=0.98+0.12=
8.3-0.6=6.3-4.5=6.3-4=0.96-0.44=
2.7-0.1=4.5+1.3=69.8-5=0.72-0.24=
8.1-0.2=5.4-2=9.4+2.1=0.95-0.17=
3.1+0.2=4.6+9.9=21.1-2=0.97+0.38=
二、笔算。
1.73+0.64=59.33-1.75=9.2-2.76=63.5+45.5=
9.14-1.85=31.08+3.6=2.95-0.34=34.62-2.6=
8.52+0.87=50.93-4.44=8.63-5.62=85.6-10.2=
9.42-1.94=80.31-8.72=1.99+0.51=69.55-2.01=
一、口算。
7.3+0.6=8.1+1.4=52.8+9=0.72-0.49=
1.3+0.5=9.1-2.2=9.9-0.8=0.93-0.12=
6.1-0.7=5.9+2.1=67.5+6=0.8-0.33=
1.5+0.2=9.9-3.7=7+0.9=0.8-0.42=
6.7-0.9=0.2+5.6=94.3-1=0.93+0.15=
二、笔算。
2.42+0.73=46.2-4.62=7.71+4.82=71.5-41.5=
8.64+5.71=46.5-5.42=8.73-0.26=34.36-5.11=
6.82-0.26=56.51-6.83=9.24+2.7=94.4+48.2=
8.02+5.86=47.36+2.49=6.76-0.9=63.4-4.4