四年级数学下册小数加减法练习题精选201.docx
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四年级数学下册小数加减法练习题精选201
一、口算。
6.9+0.2=9+3.7=74.5-3=0.87-0.07=
5.5-0.2=9+0.3=7.9+1.3=0.63-0.17=
2.8+0.7=2.9+5.1=24.2-7=0.91-0.24=
7.1+0.5=9.6+1.3=7+5.8=0.79-0.01=
8.8-0.4=9.1+0.8=20.8+5=0.91+0.01=
二、笔算。
2.4+0.19=36.52-8.38=9.92+1.83=77.1-21.6=
7.55-5.63=41.18-1.92=2.34-0.3=56.02+8.86=
8.38-0.05=27.92+4.54=7.08+2.98=71.7-16.7=
8.73-4.16=21.48+2.77=4.91+0.35=36.93-2.81=
一、口算。
6.2+0.3=0.6+8.5=83.1-8=0.66-0.33=
3.8+0.4=5.9+2=9.2-1.8=0.9-0.08=
3.3-0.9=9.1+6.9=79.1-6=0.95-0.02=
2.3-0.9=5.9-0.1=8.6-2.9=0.79-0.42=
4.8-0.9=6.6+5.8=17.6+6=0.95+0.31=
二、笔算。
5.24+0.91=82.7+7.8=7.22+3.68=89.2+47=
7.14-4.22=18.53-3.12=3.34-0.7=89.38+9.21=
5.72-0.32=43.52+7.2=9.03-2.8=88.2+45.9=
7.86-2.85=37.45-3.51=3.43-0.53=24.66+6.57=
一、口算。
8.8+0.5=7.5+0.8=13.6+1=0.81-0.38=
4.6+0.6=6.1+1.3=7.5-5.6=0.8+0.34=
3.1-0.7=1+7=23.2+8=0.81-0.01=
6.1-0.5=8.7-4.3=9.8+0.1=0.68+0.27=
3.6-0.9=0.3+1.7=58.1+1=0.55-0.21=
二、笔算。
4.73+0.31=80.85-6.17=7.35+6.78=93.8+1.6=
8.11+3.88=68.55+4.26=2.53-0.33=37.25-5.64=
5.96-0.52=14.29-3.61=8.08-4.74=75.7-44.3=
7.63-1.26=33.08+2.99=8.4-0.87=78.88+6.69=
一、口算。
1-0.5=1.6+4.5=37.7-2=0.85+0.36=
1.5+0.2=7.7+0.6=6.8+2.5=0.51-0.23=
8+0.4=7.8+0.8=19.3-9=0.92-0.21=
3.2+0.6=5.7-2.7=6.9-0.9=0.66-0.29=
1.5+0.9=6.1+3.3=88.7+8=0.63+0.2=
二、笔算。
1.66+0.97=71.24+1.11=9.31+1.5=96.6+32.2=
9.21+3.22=40.25-9.88=1.7+0.32=61.17+4.53=
1.14-0.22=48.05-4.35=8.38-2.86=84.9+15.8=
9.34+3.57=10.08+2.78=6.82-0.54=35.99-2.02=
一、口算。
5.1-0.7=4.1+8.6=75.3-6=0.61-0.29=
3.9+0.4=6.7-3.5=7.9+3=0.98-0.02=
6.7+0.4=3.6+9.9=25.6+5=0.71+0.35=
8.7-0.1=7.7-4.9=9.4+5.8=0.58+0.37=
6+0.1=2.6+6=31.6+6=0.64+0.06=
二、笔算。
6.6+0.46=50.57+3.27=7.24+3.11=75.7-38.6=
9.95-2.73=72.53+6.84=8.05+0.4=68.91-1.17=
2.5-0.32=95.14+1.63=8.47-1=82.1+15.2=
9.81-1.23=67.84+5.3=2.12-0.33=35.25-7.53=
一、口算。
1.9-0.1=8.4+4.5=36.6-1=0.87-0.19=
4-0.5=9.4-1.5=7.4-4.9=0.84+0.05=
3.8-0.1=2.9+6.6=46.8+2=0.88+0.32=
1+0.5=7.6-2.7=8+0.7=0.69-0.32=
4.2-0.1=1+3.2=10.3+6=0.51+0.07=
二、笔算。
2.49-0.14=89.28+6.83=8.77+6.29=84.7+4.3=
8.79+3.38=65.34-9.49=2.22+0.52=64.99+9.96=
3.63-0.86=66.18+8.54=7.55-4.09=81.2+47.4=
9.95+3.47=31.24+6.46=5.33-0.3=91.72-7.77=
一、口算。
7.5-0.1=4.3+4.3=90.7-8=0.88+0.2=
2.1+0.6=7.8+0.2=6.1-3.7=0.55+0.18=
6.6-0.6=4.3+5.3=84.9+4=0.79+0.33=
4.6+0.3=9.5+1.5=7.2-2.1=0.89+0.49=
3.2-0.6=9.5+4.1=51.4-9=0.6-0.16=
二、笔算。
2.26-0.23=76.51+3.81=7.12+6.17=56.8+45.2=
7.28+4.54=52.68-5.3=7.94-0.79=52.89-6.07=
7.16-0.17=56.77+3.15=8.46-3.97=69.9-20.7=
9.92+1.2=28.85-4.64=3.63+0.19=76.19+8.93=
一、口算。
5.8-0.4=1.7+9.3=87.5+2=0.66-0.23=
7.2+0.8=8-2.4=8.9-4.9=0.7+0.12=
8.3+0.4=1.2+9.7=28.8-9=0.59+0.13=
7.4-0.8=9.8+4.3=7.8-3.5=0.96+0.46=
1.3-0.2=6.4+2.4=20.2+8=0.58+0.14=
二、笔算。
5.74+0.21=26.96-3.88=8.84-5.98=70.1+23.5=
9.31-1.58=21.14+9.14=6.66-0.04=77.2+6.5=
9.15+0.21=27.67-8.28=7+6.17=83.2-24.7=
8.28+6.23=60.75+9.47=5.36-0.87=22.81+6.78=
一、口算。
1.2+0.1=8.2+5.1=56.3+9=0.69+0.28=
8.2-0.6=7.5-2=9.6-3.1=0.54-0.1=
5.9-0.5=8.2+7.3=51.2-8=0.73-0.31=
1.9-0.8=6.3-4.7=8.9-3=0.71+0.49=
4.4+0.1=4.4+7.6=73.5-2=0.77-0.1=
二、笔算。
4.13+0.54=98.44-5.3=8.27+6.46=93.6+19.7=
7.92+1.06=77.78-6.68=3.75+0.62=85.47-5.54=
6.4-0.95=89.25+6.67=9.21+3.79=67.1-20.2=
9.51+1.63=82.32-6.37=5.74-0.18=50.81+8.11=
一、口算。
5.1-0.9=1.9+5.1=37.4+8=0.67+0.32=
2.3+0.6=8.3-2.3=9.4-1.1=0.82-0.03=
5+0.1=8.4+0.6=52.4+9=0.6-0.3=
4.5-0.8=8.5-2.5=9.5-2.5=0.52-0.4=
3.5+0.4=0.7+1.8=61.2+7=0.94+0.49=
二、笔算。
1.92-0.23=98.3+7.44=7.78+1.96=66.4+35.1=
9.78+6.82=24.05+3.7=1.21-0.17=79.07-7.52=
3.88+0.93=74.49-1.11=7.77+2.85=88.3-49.2=
7.76-6.49=72.81+6.08=7.14-0.45=37.1