四年级数学下册小数加减法练习题精选97.docx
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四年级数学下册小数加减法练习题精选97.docx
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四年级数学下册小数加减法练习题精选97
一、口算。
3.6-0.1=3+9.6=49.6-1=0.78+0.01=
2.6-0.7=9+2.7=6.2-4.3=0.68-0.46=
8.4-0.3=8.4+8.1=10.4-5=0.78-0.26=
2.9-0.1=8.7+3.9=8.2-0.3=0.99-0.11=
8.1+0.1=9+2.7=37.1+1=0.58-0.05=
二、笔算。
3.92+0.23=15.3-7.95=9.53-2.71=82+26.2=
9.41-3.53=21.48+4.73=2.53-0.43=36.21-4.53=
7.21-0.49=89.75+8.5=8.71-5.37=54.8+23.9=
8.03-6.16=83.24+7.95=5.51-0.42=35.98-7.86=
一、口算。
2.7+0.8=8.8+3.5=81.8+8=0.62+0.04=
4.4+0.5=9.5-1.4=9.8-0.4=0.7-0.22=
6.6-0.4=6.6+5.4=22.3+1=0.93-0.47=
4.4+0.4=7.8+1.1=6.2-2.1=0.88-0.42=
3.4+0.5=6.6+2.5=88.4-7=0.69-0.14=
二、笔算。
9.97+0.07=82.21-8.16=9.29+1.41=80.2-24.3=
8.22-5.29=78.91+8.68=2.99+0.76=62.23+2.15=
5.44+0.36=95.18-1.74=7.19+6.95=71.9+38=
8.22+6.49=40.94+5.95=7.73-0.18=83.44+4.69=
一、口算。
3.1-0.9=4.6+1.1=54.9-3=0.87-0.49=
7.4+0.7=5.4+4.6=8.2+1.8=0.59-0.04=
7.6-0.5=1.2+4.8=82.4+7=0.53+0.03=
4+0.1=9.1+3.9=6.5+3.2=0.71+0.34=
1-0.1=8.3+9.9=57.4+5=0.65-0.27=
二、笔算。
9.66-0.68=56.05-2.1=9.35-5.75=97.7+16.9=
9.09-4.13=22.16-3.94=8.68+0.17=79.01-8.71=
6.11+0.45=96.1+7.91=7.14-5.3=73.3-37.3=
8.14+6.34=21.93-6.92=9.2+0.51=68.92-2.21=
一、口算。
2.7+0.7=4.2+4.9=84.4-9=0.54-0.05=
2.6-0.6=7.3-1.7=6-0.3=0.87-0.46=
3.2+0.8=4.4+3.6=20.5-8=0.79-0.36=
8.3+0.9=8.8-0.3=7.7+4.7=0.78+0.09=
5.5+0.4=5.8+7.4=39.2-1=0.84-0.01=
二、笔算。
5.62-0.62=72.68-7.08=8.25-6.73=84-10.6=
9.39-2.43=72.23+2.14=8.54+0.82=98.35+6.61=
8.04-0.09=43.42+7.72=8.49+2.7=52.3+14.1=
9.03+1.29=64.56-7.47=3.04-0.77=75.92-1.5=
一、口算。
4.5-0.4=2.5+0.1=84.2+8=0.81+0.42=
5.9-0.5=6.8+4=9.3-5.7=0.53+0.04=
3.5+0.3=2.4+5=90.4+7=0.72+0.41=
2.2+0.6=7.3-0.8=8.5-5.7=0.82-0.47=
2.3-0.9=1.4+0.4=22.6-8=0.57-0.04=
二、笔算。
4.45-0.36=97.31+9.09=8.81+2.28=59-2.2=
8.01-2.67=56.63+5.93=5.48-0.94=13.3-6.19=
9.4+0.58=63.09+5.11=7.56+5.81=71.1+38.5=
9.29-2.54=58.54-8=4.29+0.86=74.78-3.1=
一、口算。
8.1+0.2=4.2+0.3=17.4+9=0.61+0.21=
2.5-0.3=6.8+4=6.4-2.8=0.9-0.05=
8.2+0.1=5+7.5=15.2+7=0.64-0.02=
3+0.2=7.8+2.1=9-1.6=0.66-0.37=
4.9-0.5=9.9+1.7=96.2-7=0.77+0.42=
二、笔算。
1.84-0.89=30.85+7.91=8.49+4.29=63.6-4.8=
8.41-2.88=69.52+8.3=6.6-0.42=67.54+3.48=
3.32+0.06=43.78+2.77=7.49-4.9=71.1-47.8=
8.54+5.04=40.73-5.8=3.05+0.61=72.54-6.83=
一、口算。
1.8-0.6=7.7+3.2=50.7-6=0.68-0.06=
8.8+0.9=6.4+1.4=9.5-1.9=0.85+0.28=
4.8+0.9=0.9+4.9=24.9-1=0.61+0.21=
6.4+0.1=7.9+4.4=9.6+0.6=0.95-0.43=
4.5-0.1=1.8+8.1=93.4+9=0.64+0.29=
二、笔算。
6.83+0.06=52.5-8.5=9.29+6.77=57.3+2.8=
8.42-1.28=63.29-5.41=2.16-0.83=84.73+1.86=
3.4+0.32=95.48+3.83=9.74+1.62=78.2-3=
9.43-2.99=24.93+9.39=8.88-0.15=54.8+4.18=
一、口算。
2.5+0.9=2.1+0.3=36.2+8=0.94+0.02=
6.9+0.5=6-0.6=6.7-5.4=0.62-0.44=
2.6+0.6=6+9.2=16.4+3=0.8+0.41=
4.2-0.4=7-4.8=8.9-3.6=0.76-0.41=
3.9+0.3=1.9+7.7=31.1+8=0.94+0.31=
二、笔算。
1.55-0.57=26.21-1.27=9.91-2.43=65.8-27.5=
8.63-5.17=79.27-2.98=5.21-0.89=58.94+4.8=
9.78+0.86=19.83-3.05=7.86+2.41=59.3+46.9=
7.22+1.27=31.99+4.12=7.36-0.46=41.71+9.67=
一、口算。
4.7+0.9=9.2+0.6=30.3+9=0.83-0.28=
3.2-0.2=8.5-0.3=8.7-1.6=0.56-0.1=
3.4+0.8=6.3+3.1=75.6-4=0.63+0.17=
4.4+0.8=9.8+1.2=7-5.3=0.66+0.04=
2.5+0.8=6.5+8=62.3+1=0.91+0.26=
二、笔算。
1.16+0.46=63.59-8.67=9.19+6.64=60.4-44.3=
8.66+1.25=52.6-3.14=6.16+0.12=79.07+4.19=
4.99+0.42=88.84-9.77=9.68+1.07=78.2+31.9=
9.13-1.7=21.78+9.75=7.2-0.97=21.22+2.84=
一、口算。
4.3-0.5=1.9+3.3=26.6+5=0.93+0.26=
7.7+0.1=8.4+2.9=6.8-5.8=0.75-0.45=
8.4+0.3=1.8+5.9=84.3-2=0.55+0.34=
6.8+0.3=9.2+2.8=8.8-4.2=0.75-0.49=
7.7+0.6=0.2+1.4=79.6-5=0.94+0.18=
二、笔算。
6.86+0.48=37.1+5.48=9.07+5.43=60.1-6.1=
7.32-1.28=47.16+3.48=1.21-0.9=86.44-9.62=
5.11+0.19=93.77-7.65=9.83+5.37=87.3+7.2=
9.81+4.92=41.57+7.64=8.26+0.03=49.94-4.1=
一、口算。
5.4-0.7=9.1+5.7=44.7+9=0.59-0.18=
8.1+0.9=6.9-1.6=9.4-3=0.59-0.13=
4.4-0.5=6.8+9.3=27.5-1=0.72-0.05=
6.1-0.3=5.2+4=7.6+5.4=0.58+0.48=
4.1-0.7=9.7+8.4=27.8+6=0.73+0.02=
二、笔算。
2.18-0.35=29.91+2.38=8.74+2.68=70.3-36=
7.63-6.98=46.61+3.81=2.42-0.51=69.63+5.96=
3.29+0.52=91.44-9.61=8.66-1.75=88.4+10=
8.9-1.83=31.57-7.26=9.75-0.86=96.08-9.38=
一、口算。
2.1-0.4=1.4+1.5=91.4-7=0.55+0.17=
2.8+0.9=9.3-2.9=7.9+5.9=0.83-0.47=
3.3+0.7=3.8+4.4=89.9+6=0.53-0.3=
3.1-0.9=5.2-1.6=7.4-1.8=0.63-0.17=
7-0.9=9.1+6.4=21.6+8=0.91+0.12=
二、笔算。
6.26-0.55=71.91+1.31=7.87-5.05=69.6-32=
9.32+4.11=65.66+7.54=2.54+0.74=91.23-8.8=
1.1+0.16=15.32+7.22=7.11+1.69=98.2+28.5=
9.01+1.26=46.63-9.44=6.6-0.6=60.94+7.65=
一、口算。
6.4+0.2=3.3+2.9=80.6+6=0.77-0.39=
7.8-0.4=7.2-3.4=7.4+4.1=0.83+0.18=
7.2+0.1=6.4+0.8=93.6+4=0.73+0.25=
3.3-0.8=6.4+2=8.3-3.6=0.92-0.09=
8.1+0.5=6.8+9.7=58.5-6=0.7-0.1=
二、笔算。
8.85+0.19=89.01+6.02=8.38-6.14=57.4-26.5=
9.17+5.3=51.57-8.64=7.21-0.48=63.75+3.22=
4.61+0.85=57.49+3.35=9.09-2.96=86.6-8=
8.93-3.43=44.01-5.42=9.62-0.59=13.31-7.28=
一、口算。
5.3-0.7=7.9+9.5=84.3-2=0.74+0.01=
5.2-0.2=5.5-4.5=8.7-1.8=0.99+0.04=
1.4+0.3=2.1+0.6=14.9-3=0.96-0.11=
4.6+0.4=6.2+1.9=7.6+0.3=0.78+0.18=
3.8-0.6=1+1.1=52.6+1=0.52-0.17=
二、笔算。
9.53+0.51=17.66-9.3=9.52-5.2=59.5+47.6=
8.71-2.36=44.95+1.57=8.88+0.88=14.11-5.81=
4.08+0.94=57.98-9.97=9.51+4.26=66.9-27.4=
8.7-1.06=15.37-9.08=2.44-0.87=90.4-4.73=
一、口算。
4.6-0.2=0.5+1.5=83.2+8=0.83+0.04=
4.5+0.6=9.6+4.5=7.7-3.8=0.76-0.42=
3.9-0.5=0.5+4.9=75.5+1=0.53+0.47=
5.5+0.6=9-3.4=9.2+5.7=0.81-0.28=
2.8+0.2=4.1+5.9=63.2-4=0.94-0.13=
二、笔算。
1.32-0.48=66.76-9.7=7.73+6.91=95.9-49.8=
8.56-4.91=82.61-5.9=3.99+0.71=61.59-1.04=
9.93-0.74=45.46-9.63=8.33+6.53=93.7+26.7=
7.16-5.78=84.68-8.08=9.46-0.27=11.57-6.76=
一、口算。
5.7+0.3=8.5+6.8=37.9+7=0.65-0.2=
4.3-0.7=7.9-4.2=8.1+1=0.81+0.05=
3.9+0.6=1.4+5.6=85.3-9=0.77-0.11=
8.9+0.1=8.2+0.2=6.9-1.3=0.88+0.33=
3.4+0.2=4.4+1.5=80.7+8=0.92+0.01=
二、笔算。
3.93-0.89=95.6-3.59=9.63-6.31=89.1+47.1=
8.78+4.65=48.26-2.53=5.72+0.89=73.9-3.92=
6.04-0.36=76.78+2.17=7.25-2.67=56-39.6=
7.01+6.58=37.65-6.39=2.31+0.5=17.2+9.7=
一、口算。
1.6+0.7=2+0.8=82.6-4=0.81+0.25=
4.1+0.9=9.6+0.7=6.2-3.4=0.65-0.09=
6.3-0.7=5.5+8.1=11.7+5=0.5+0.25=
7.9-0.5=7.2-3.6=7+1.7=0.8-0.32=
4.3+0.2=9.8+4.6=44.9+1=0.55-0.21=
二、笔算。
1.41+0.13=31.9-7.35=7.26-4.85=79.2+1.8=
8.91+1.27=63.69-3.43=9.66-0.12=18.42+3.72=
7.27-0.73=92.7+1.62=7.51+2.54=70.7+47.2=
7.53+2.91=20.74+6.79=8.77-0.48=53.91-2.04=
一、口算。
8.4+0.6=7.7+1.8=14.3+1=0.71+0.39=
8.3+0.8=5.1-4.4=9.6+1.4=0.61+0.15=
8.5-0.3=5.1+6.7=81.4-4=0.59-0.2=
3.2-0.9=7.3-3.7=6.2+4=0.64+0.02=
7.8+0.9=9+2.1=34.6-3=0.99+0.34=
二、笔算。
2.66+0.33=64.52+7.13=8.61+3.75=53.1-48.8=
8.36+1.44=26.19+9.55=9.01-0.36=71.12-9.29=
4.95+0.08=19.82-8.54=8.99-6.7=91+4.9=
7.12+4.07=16.39-2.76=8.78-0.03=48.94-3.52=
一、口算。
3+0.7=9.6+4.3=39.1-4=0.91-0.17=
2.7-0.9=5.3-4.3=8.5-3.8=0.99+0.27=
3.6-0.7=2.8+6.3=15.3+7=0.56+0.29=
5.3-0.9=9+2.9=9.9+3.8=0.65-0.01=
2.9+0.8=3.7+0.3=35.9-1=0.52+0.4=
二、笔算。
8.04+0.11=21.1-4.58=7.39+5.47=66.4+20.5=
7.6+2.42=89.45-9.92=1.5+0.93=44.8-3.92=
4.89+0.12=70.15-3.18=8.51+3.57=99.8+19.8=
8.17-2.49=37.17+7.88=8.13-0.91=42.4-9.03=
一、口算。
2.7+0.1=6.6+6.4=96.2-3=0.61-0.13=
5.8+0.1=6.8-3.8=7-3.5=0.88+0.03=
3.1-0.3=2.5+3.1=40.4-4=0.9+0.03=
5.7+0.1=7.5-2.1=6.6+4=0.84-0.15=
8.4-0.2=2.5+4.4=11.3-9=0.75+0.07=
二、笔算。
6.62+0.03=72.37-2.23=9.31-2.26=72.5+15.3=
8.2-1.58=38.98-8.01=5.47+0.52=83.58-4.77=
8.78-0.3=99.87+8.3=9.37-4.74=61.8+49.6=
7.58+4.38=53.98-6.07=8.24-0.48=46.19+2.
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