四年级数学下册小数加减法练习题精选120.docx
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四年级数学下册小数加减法练习题精选120
一、口算。
4.6-0.8=9.4+1=39.7-6=0.64+0.46=
5.9-0.8=5.8+2.6=9.4+3.9=0.78-0.38=
4.4+0.9=9.4+2.1=23.5+4=0.62-0.33=
1.1+0.6=9.6-4.3=9.9+3.7=0.9+0.06=
9+0.7=1.5+1.1=18.8+2=0.74-0.08=
二、笔算。
3.58+0.17=12.32+9.93=7.47+6.94=74.3-18.8=
7.98+5.34=14.09+3.42=7.27+0.61=36.51+1.45=
5.08-0.54=37.57-5.01=8.39+5.19=59.4-7.1=
9.64-5.46=20.08-7.73=4.89-0.08=69.19-9.27=
一、口算。
6.7-0.3=7.4+8.1=44.9+3=0.55+0.49=
3.4-0.5=5.9+2.4=9.1+5.1=0.67-0.27=
3.7-0.5=9.3+3.6=32.4-4=0.79+0.16=
3.1+0.8=6+4.1=7-5.5=0.6-0.16=
1.7+0.8=1.6+5.2=54.9+6=0.66-0.23=
二、笔算。
6.3+0.61=92.29-8.98=8.85+2.67=74.4+34.4=
9.51-3.1=16.5+3.04=6.03+0.38=60.48+8.52=
1.53+0.77=62.44-4.43=8.25-2.66=76.3+13.2=
7.27+5.03=59.19-4.66=9.73-0.84=74.38-2.49=
一、口算。
2-0.4=0.9+4.1=32.6-2=0.51-0.27=
3.2-0.2=8+0.8=7-2.4=0.85+0.35=
6.5+0.5=2.5+1.8=29.8-4=0.71-0.36=
1.5-0.2=6-2.2=9.6+5.4=0.71-0.19=
2.5-0.8=1.9+2.7=94.4+6=0.75+0.2=
二、笔算。
6.15+0.95=15.98-3.08=9.99+1.07=62.5-48.3=
7.51-4.98=53.39+6.91=4.87+0.99=53.78-1.35=
3.53-0.76=67.95+7.41=9.48+1.19=80-41.8=
7.2-1.02=68.38+9.5=2.76+0.86=23.4-8.07=
一、口算。
3.2+0.3=6.9+9.3=42.8-6=0.6-0.24=
8.3+0.2=8.8-0.1=7.1-3.8=0.59+0.32=
7.3+0.2=5.7+5=33.4+2=0.7-0.22=
3.3-0.5=7.1+0.3=9+1.1=0.79+0.15=
3.8-0.2=8.4+0.3=33.8+7=0.91+0.33=
二、笔算。
6.34+0.6=37.68-4.02=8.64+1.83=58.1-5.9=
7.99+4.19=57.35+1.48=4.09-0.45=48.94+9.14=
8.77-0.64=68.17-8.14=9.25+4.49=53.6+10.5=
8.84-2.06=92.49-6.66=7.15-0.77=42.27+9.09=
一、口算。
6.8+0.3=2.4+1.2=16.3-4=0.65-0.45=
4.8+0.7=8-4.5=9.8-3=0.87-0.23=
2.5+0.9=6.1+0.5=16.2-7=0.52+0.17=
8.5-0.2=6.3+4.1=7.1+5.3=0.94-0.06=
3.1-0.8=0.6+4.9=36.5-9=0.94+0.23=
二、笔算。
1.16+0.79=10.54+6.43=9.82-5.23=69.5-3.8=
9.04-4.19=85.12-5.43=4.9+0.72=50.66+4.56=
3.14-0.58=27.22-1.93=7.93-1.52=96.5-14.8=
9.26-6.61=56.26+3.94=2.79-0.42=56.85+6.93=
一、口算。
8.3+0.2=2.2+5.4=97.6+7=0.82+0.33=
5.1-0.7=7.4+1.2=9.9+3.8=0.98-0.39=
8.2+0.5=9.7+9.4=86.1+8=0.6+0.41=
4.6+0.1=5+0.8=9.2-0.6=0.73-0.29=
2.1+0.9=8.7+7.9=12.8-6=0.84+0.34=
二、笔算。
2.15-0.55=67.07-1.14=8.1-6=80.6+15.7=
8.05+4.61=30.46+6.32=3.07+0.63=48.32+7.93=
5.87+0.53=15.76+9.49=9.09-1.05=77.3-12.7=
9.27-1.46=29.97-3.52=5.41+0.09=76.93+3.76=
一、口算。
3.9-0.3=3.1+7.4=52.3+1=0.66-0.38=
9+0.3=9.6-2.8=6+5.2=0.58-0.3=
6.4-0.6=0.3+0.8=86.6+4=0.56-0.39=
2+0.1=8.7+1.5=8.4-4.7=0.65-0.3=
6+0.5=2.7+8.1=45.1+8=0.74-0.02=
二、笔算。
1.78+0.61=94.44-5.98=7.58-5.15=77.7-42.7=
7.58+4.22=24.09-2.45=2.93-0.1=24.49-6.7=
7.94-0.7=40.91+8.98=9.47-6.9=72.3-23=
8.53+1.96=24.77-9.38=2.92+0.33=43.05+8.21=
一、口算。
5.4+0.5=1.5+4=92.5+1=0.59+0.03=
1+0.8=5.1+1=8.1-3.7=0.69+0.49=
3.1+0.7=5+7.5=58.7-6=0.93+0.14=
2.4-0.4=8.1+3.1=6.3-5.7=0.69+0.25=
3.6-0.1=8.9+7.2=70.8+8=0.74-0.3=
二、笔算。
5.13+0.48=64.9-7.72=7.6+5.27=52.7+21.8=
7.53-5.39=67.07-8.71=7.12-0.83=32.79+2.7=
8.93+0.93=29.81-5.96=9.86-2.88=95.8+26.4=
8.73-3.67=72.69-5.96=7.21-0.54=96.19-6.13=
一、口算。
6.3-0.2=6.6+4=23.3+8=0.92+0.03=
6.4+0.6=5.4-0.7=7.1+3.7=0.83-0.1=
7.8-0.9=5.9+1.7=88.5+6=0.5+0.48=
7.7+0.2=8.6-2.9=8-4.1=0.79+0.44=
1.5+0.5=4.5+2.3=78.2+3=0.59+0.17=
二、笔算。
9.49+0.25=66.31+4.75=8.14-4.64=80.3+23=
7.19+4.65=45.9-5.94=4.03+0.26=89.61+7.07=
1.93+0.03=59.48-9.68=7.8-5.72=89.3+4.8=
7.29-3.03=64.23+2.24=7.34+0.87=79.65+3.19=
一、口算。
1.3-0.9=2.2+9.8=63.2+9=0.51-0.33=
7.7+0.4=5.3-3.3=8.8+2.6=0.83-0.45=
5.1-0.3=1.1+2.9=97.2+4=0.55-0.42=
6.6+0.2=6-4.6=9.7+3.7=0.79+0.46=
6.5-0.5=7.6+4.2=43.6+4=0.71+0.25=
二、笔算。
2.47+0.54=96.5+7.15=8.47+5.24=81.1+8.7=
9.72+4.53=82.3-7.6=3.82+0.89=98.53+2.55=
8.47+0.93=11.61+6.16=7.09-4.71=70.7-6.1=
8.49-5.63=20.66+3.13=9.75+0.94=69.35-4.76=
一、口算。
1.9+0.2=2+5.8=99.5+8=0.7-0.46=
1.7+0.5=5.9+1=7.3-0.6=0.59-0.28=
4.9-0.6=6.3+9.2=79.7-8=0.67-0.16=
3.1-0.8=9.7+4.3=9.3+0.2=0.73-0.38=
4+0.8=1.9+2.3=94.1+4=0.71-0.04=
二、笔算。
5.52-0.26=54.46+8.59=8.89-4.88=55.2-14.7=
7.38-5.74=15.04-4.36=6+0.8=34.63+6.17=
4.41-0.16=98.39+3.25=7.69+1.56=58.3+2.4=
9.49+5.99=45.04-3.37=1.1-0.59=45.03-1.3=
一、口算。
6.5-0.2=3.1+4.1=81.7-3=0.75-0.43=
1.4-0.9=8.8-4.7=9.5+2.8=0.98+0.47=
7+0.3=0.3+6=74.1+1=0.98-0.13=
1.3-0.1=8.7-4.6=9.4-2.8=0.94+0.44=
6.6-0.7=7.5+4.9=18.3+2=0.8+0.28=
二、笔算。
1.81+0.69=70.31-1.27=9.22-2.85=68.9+12.5=
7.42+6.67=95.41-8.09=4.42+0.44=77.56+9.6=
2.62+0.28=20.04-6.07=8.64-5.67=71.7+38=
8.69+6.17=73.12+4.95=2.64+0.98=59.45-8.38=
一、口算。
1.2-0.8=4.8+0.7=21.6+1=0.87-0.42=
6.1+0.4=5.4+2.4=8.6+5.2=0.54-0.12=
6.5-0.1=4.6+8.5=81.3+6=0.61-0.01=
5.1-0.6=8.2-2.9=8.4+2.1=0.67-0.23=
3.8-0.8=2.9+5.8=95.4-3=0.63+0.28=
二、笔算。
4.23-0.54=37.59-8.64=8.02+3.59=88.6-34.3=
8.34+2.42=58.16-2.98=8.81-0.03=53.38+2.95=
7.97-0.13=46.29-6.35=8.71+4.22=76-26.8=
7.54+1.73=39.25-9.76=4.29+0.51=53.08-6.64=
一、口算。
3.5+0.6=0.3+1.2=97.3+1=0.85-0.27=
2.2-0.6=5.6+2.4=6.7+2.3=0.5-0.42=
7.3+0.2=3.2+9.7=54.8+4=0.88+0.46=
3.3-0.7=6.9+4.7=6.1+3.6=0.98-0.24=
6.3-0.1=6.9+5.4=72.2+2=0.73-0.06=
二、笔算。
4.12-0.4=98.59+9.13=8.49-3.17=99.6+27.2=
8.37+5.12=42.66-7.29=2.26-0.44=85.87+9.37=
5.54-0.6=35.1-9.01=8.71-2.34=87.5-31.1=
8.44-2.19=75.33-6.35=3.45+0.21=79.45-9.93=
一、口算。
2.5+0.8=8.4+6.9=26.5-2=0.71-0.16=
7-0.5=9.2-2.5=9-4.3=0.76-0.22=
1.6+0.8=3.4+1.7=27.4+5=0.9+0.31=
7.9+0.4=5.4+1.2=7.3-5.6=0.84+0.35=
9-0.9=3+3.5=54.5+8=0.72-0.12=
二、笔算。
3.14-0.96=56.18-4.25=9.36-3.93=78.3-42.8=
7.49-3.83=12.48+9.07=9.37-0.73=95.05+8.87=
7.65-0.12=94.34+6.83=9.51+5.64=66.1+23.8=
9.99+2.62=38.45+8.62=3.3-0.42=25.26+8.78=
一、口算。
5.5+0.5=0.5+5.3=11.9+1=0.93+0.01=
9-0.9=9.4-1.5=6.5-5.8=0.83-0.32=
8.5-0.1=5.1+2.8=21.2-6=0.78-0.44=
2.8-0.3=6.6+3.5=8.8+0.8=0.97+0.2=
5.5-0.7=9.7+0.1=42.7+7=0.87+0.07=
二、笔算。
5.23+0.68=66.61+4.61=7.59-1.44=64.7-23.2=
7.92-3.54=80.18-5.16=1.54-0.94=14.29-6.02=
2.35+0.33=80.97-5.75=8.18-4.32=97+36.5=
9.05-5.59=38.56-6.99=5-0.2=17.65+3.84=
一、口算。
4.7-0.8=4.9+1.1=33.7-4=0.5+0.03=
2+0.9=6-4.1=7.9-1.7=0.72+0.39=
6.5+0.5=3.4+5=13.5+2=0.66+0.38=
1.2+0.4=9+2.8=8.7-0.5=0.9-0.28=
7.4-0.7=2.2+7.1=28.8+8=0.99-0.3=
二、笔算。
8.26-0.34=64.84+2.58=8.98-6.63=78.4-7.7=
7.82-6.14=69.63+4.43=8.01+0.46=10.29-2.72=
7.08-0.53=83.87+8.71=8.92+6.2=83.5+20.5=
9.72-2.4=86.68+2.16=1.01+0.69=90.75-3.26=
一、口算。
4.9+0.7=3.5+4.3=50.7-9=0.5-0.18=
3-0.2=5.5+1.4=9.3+5.3=0.85-0.19=
1.9-0.7=4.6+4.4=42.8+1=0.52+0.27=
2.4-0.4=5+3.3=9+3.6=0.91+0.39=
7.5+0.7=0.1+7.8=61.5+6=0.51+0.11=
二、笔算。
6.85+0.13=46.4+6.63=9.67-4.09=89.7+28.7=
7.04+5.58=10.33+8.61=9.21-0.17=36.84-1.41=
1.27-0.84=44.56-9.03=9.38-6.38=91.1-22.7=
7.51+4=11.83-4.05=5.71+0.34=96.03+5.6=
一、口算。
6.1-0.4=0.5+2.4=91.2-5=0.77-0.44=
4-0.4=9.6-0.7=8.7-3.9=0.71-0.11=
3.6+0.4=1.4+0.8=54.3-5=0.54-0.18=
1.5-0.5=7.8+2.6=6.3+2.5=0.64+0.35=
7.4-0.1=7.6+2.4=72.6-8=0.87+0.24=
二、笔算。
6.38+0.18=25-2.21=7.98-6.23=84.6-25.3=
7.68+2.1=50.53+8.81=7.44+0.76=65.76-8.46=
3.41-0.84=86.91-9.17=7.28-2.49=70.2+48.4=
7.2+4.64=14.94+4.65=6.55-0.11=12.72-5.5=
一、口算。
6.2-0.6=3.6+2.4=36.5+3=0.77-0.13=
5.5-0.1=7.8-0.9=8.5-2.2=0.52+0.23=
7.2-0.1=3+2.8=28.3+9=0.77-0.3=
4.3+0.7=7.4-2.5=7.8+1.4=0.61-0.48=
8.1-0.1=1.1+6=95.7-6=0.66-0.08=
二、笔算。
2.29+0.3=88.93+5.05=9.63+1.02=65.1+32.1=
8+2.04=65.96-8.97=2.89-0.35=61.71-2.54=
5.84-0.84=20.99+6.8=8.22-6.62=57.1+36=
7.83-5.53=87.98-7.76=3.36-0.98=68.37+7.69=