四年级数学下册小数加减法练习题精选131.docx
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四年级数学下册小数加减法练习题精选131.docx
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四年级数学下册小数加减法练习题精选131
一、口算。
3.6+0.3=6.8+7.5=63.7+1=0.53+0.2=
6.9+0.7=7.3+2.7=6.3-1.2=0.99-0.25=
5.2+0.8=6.4+4.9=74.9-9=0.95+0.33=
6.5+0.2=8-2.4=8.7+1.4=0.76-0.34=
5.6+0.1=0.4+7.2=82.6+2=0.81-0.08=
二、笔算。
7.42-0.51=80-8.78=7.51-1.09=99.3-34.9=
9.45-4.59=15.88+1.77=2.9-0.17=54.26-4.84=
4.33-0.05=58.88-4.07=8.81+5.88=93.7-23.6=
7.81+1.24=87.54-9.22=9.54+0.52=78.87+3.93=
一、口算。
7.6+0.5=6.8+1.4=20.1-4=0.86+0.4=
3.2+0.5=6.6+4.6=9.8+5.7=0.52+0.28=
2.9-0.1=3+3.5=48.2+1=0.56-0.25=
7.5-0.6=5.5+1.5=8.9-1.3=0.72-0.15=
6.3+0.6=5.6+0.9=97.4-7=0.54-0.17=
二、笔算。
4.05+0.82=15.82-4.67=8.79-5.06=83.4+19.3=
9.84+6.55=16.08-7.26=9.13+0.82=53.1+8.86=
6.9+0.48=99.58+2.87=8.77+5.01=69-39.6=
9.87-4.08=50.1-8.24=8.45+0.44=15.75-9.99=
一、口算。
3.1-0.2=9.9+1.7=26.8+8=0.99+0.13=
3.8+0.6=8.1-2.9=8.7+5.3=0.92-0.03=
7.5+0.5=5+9.6=70.5+1=0.96+0.15=
4.1+0.7=5.5-4.3=7.9+0.5=0.83+0.22=
5.3-0.7=0.6+3.4=84.9-5=0.8+0.02=
二、笔算。
8.6+0.62=26.23+1.98=7.16-5.9=90.1-28.3=
8.45-1.73=31.06+8.39=6.33-0.61=20.83+4.45=
8.55-0.1=62.56-8.87=7.31+3.75=61.6+37.2=
7.15+1.4=31.51-3.63=2.71-0.58=46.57+2.9=
一、口算。
4.5+0.1=9.2+0.5=79.1-9=0.75-0.31=
6+0.3=7+0.2=9.9-1.4=0.87-0.38=
3.8-0.3=7.5+4=22.5+8=0.66+0.36=
2.1+0.6=6.2-2=8.7+1.1=0.58-0.27=
8.7-0.4=8.9+0.7=89.1-7=0.78-0.1=
二、笔算。
9.31-0.35=16.55+1.59=7.53-2.2=69.8+10=
7.17+4.77=91.85-4.42=8.26-0.05=42.56+8.53=
1.82+0.54=73.74+1.32=9.56+3.34=76.5+45.2=
8.26+2.89=87.83-3.03=9.37-0.38=41.99-1.36=
一、口算。
4.6-0.8=3.4+1.3=85.4-9=0.95+0.47=
7.1+0.5=5.6+0.6=6.9-2.8=0.77+0.42=
4.2-0.4=8.5+4.1=30.9-6=0.88-0.32=
1-0.1=7.9-3.8=9.2+1.5=0.81-0.07=
7.9-0.2=1.1+4.8=67.4+1=0.78+0.37=
二、笔算。
1.61-0.68=12.56+6.34=7.14-5.77=55.7+6.4=
9.73+2.71=23.26-3.73=1.95-0.23=55.51+7.6=
3+0.21=55.95-4.53=7.71+1.44=91.4+6.8=
8.06-6.87=38.6-1.68=2.09-0.87=13.95-3.94=
一、口算。
2.2-0.2=8.2+2.1=39.5+8=0.78-0.36=
1-0.6=5.2-0.9=9.2+5.2=0.93-0.03=
6.4-0.9=2.6+3.4=83.1+6=0.7+0.01=
7.7+0.7=7+4.9=8.6-4.1=0.79+0.18=
8.7-0.5=5.4+8.7=36.5+4=0.67-0.39=
二、笔算。
2.52+0.46=25.58+9.04=9.98+1.03=84.5+49.5=
8.65+1.08=17.43-2.81=1.95+0.91=44.58-7.42=
7.9+0.25=62.31+9.75=7.4-5.49=85.3-4.7=
9.25-5.07=42.76+2.71=2.38-0.7=16.58-5.59=
一、口算。
5.9+0.4=2.7+3.3=11.1-2=0.69+0.07=
5.5-0.4=8.2-3.6=8.4+1.8=0.79-0.4=
8.6+0.7=2.8+4.1=19.1+4=0.78+0.07=
9-0.6=8.2-4.3=8.2+5.7=0.77+0.22=
3.3-0.9=3.9+4.7=65.2+3=0.96-0.25=
二、笔算。
6.98+0.22=67.19-9.69=7.42-6.1=85.5-15.9=
9.64+3.18=51.58-6.49=4.14+0.9=50.04-7.77=
4.38-0.37=76.2+8.66=8.45+2.32=58.4-14=
9.59+6.07=38.88-8.58=3.99+0.44=71.32+9.85=
一、口算。
7.2-0.6=9.5+1.2=18.9-8=0.7-0.48=
5+0.8=6.8-4.5=7.2-5.4=0.96-0.33=
7.3-0.8=3.5+7.2=52.5-8=0.85+0.39=
2.7+0.2=7.1+2.7=8.6-1.2=0.58+0.05=
7.3-0.5=8.8+4.6=17.7+3=0.68+0.28=
二、笔算。
5+0.29=64.38+6.16=9.07+6=58.6+11=
8.81-1.71=82.27-1.43=6.34-0.69=87.02-2.51=
3.53-0.59=59.16+1.66=8.19-4.33=83.5+24.8=
9.59+2.85=16.27+2.38=1.91-0.4=60.67+9.52=
一、口算。
2.8-0.8=3.3+2.4=69.6+5=0.78+0.19=
2.9+0.7=8+4.4=9.3-0.5=0.88+0.15=
4.4+0.2=3.2+5.8=19.2+2=0.52+0.19=
6.7-0.9=5.2-2.5=9.1-3.9=0.95-0.25=
8.4+0.4=0.5+3.4=16.6-4=0.5-0.4=
二、笔算。
1.65+0.76=99.83-1.67=9.67-6.19=67.2-2.4=
7.03-5.84=28.28-1.64=5.45+0.91=97.94-4.85=
4.18+0.24=48.79-6.56=9.36-5.39=74.1+34.1=
7.87-5.65=26.95-3.3=2.72+0.75=44.19+1.32=
一、口算。
7.3-0.8=8.3+7.8=46.7-4=0.86+0.23=
2+0.5=8.7-1.2=9-3.6=0.6+0.06=
4.2+0.6=5+8.5=89.8+7=0.55+0.29=
3.7-0.1=5.4+4.6=9.7-2.5=0.5+0.03=
9+0.2=5.5+4.9=74.4+8=0.92+0.4=
二、笔算。
8.12+0.15=58.76+8.44=7.31+1.35=91.3+48.6=
8.96+6.12=14.76+4.43=4.28-0.14=72.49+3.93=
7.02+0.99=83.52-5.18=8.37-3.11=55.4+37.2=
8.24+1.37=79.47+4.02=6.75+0.83=75.46-2.38=
一、口算。
5.1+0.5=3.3+0.7=38.8-1=0.99+0.14=
6.3+0.1=8.7+1.1=9.8+1.6=0.82+0.22=
2.9-0.7=5+4.9=48.8+2=0.71-0.16=
3.2+0.7=5.9-2.4=7.8-0.2=0.57+0.08=
3.5+0.1=8.6+3.2=90.8-6=0.87-0.19=
二、笔算。
4.08-0.04=22.75-6.18=9.12-5.48=56.8-18=
7.98+2.38=14.64+6.81=6.95+0.08=10.25-3.63=
9.84+0.85=58.24-3.16=8.08+4.75=92.9+26.8=
7.36-6.72=45.31-3.44=5.16+0.45=89-7.79=
一、口算。
2.6-0.6=4.4+6.5=25.8-4=0.78-0.26=
3.9+0.7=9+0.2=6.8+5.2=0.99-0.47=
5.8+0.3=3.4+1.7=56.7-7=0.73-0.23=
8.8+0.1=8-4.2=7.7+3.5=0.78-0.06=
8.9-0.8=9.5+0.6=47.9+8=0.7+0.1=
二、笔算。
8.77+0.62=48.05-7.9=9.01+2.94=60.1+40.2=
8.88+2.8=19.43+5.24=3.48+0.61=45.83-5.52=
7.82-0.19=44.74+9.9=8.48+2.24=73.1+1.9=
9.14-2.42=58.19-6.53=8.34+0.47=21.6-4.37=
一、口算。
6.1-0.5=8.7+3=26.4-7=0.82+0.04=
5.8-0.8=9.4+3.2=7.5+5.9=0.67+0.33=
3.7-0.8=6.8+9.9=82.3-9=0.71-0.27=
1.7+0.3=8.8+1.4=9.6-4.1=0.59+0.03=
4.8+0.9=9.3+8.9=47.9-1=0.7+0.28=
二、笔算。
8.2+0.55=34.22+6.97=9.87+6.51=71.1-39.2=
7.6-2.58=66.35-1.4=4.51+0.55=85.61-9.06=
5.05+0.14=91.06-6.54=8.65+2.06=52.2-18.5=
9.67-4.43=80.93-8.46=1.9+0.36=57.93+9.69=
一、口算。
7.4-0.2=3.7+1.1=33.6-9=0.63+0.11=
3.8+0.8=6.2+1.6=8.6+3.7=0.62-0.16=
2.8+0.9=2+6.8=35.9-8=0.84+0.46=
1.4+0.1=9.6+3=9.7-2=0.84-0.31=
6.1+0.4=9.4+7.2=53.6-2=0.53-0.28=
二、笔算。
3.09+0.54=73.54-4.49=7.8-3.68=72.1-19.8=
9.43-3.26=27.59+8.69=1.52-0.82=53.3+8.72=
8.3-0.56=19.77+8.19=9.73+5.98=55-43.6=
9.48+5.78=77.57-8.67=4.09+0.96=30.28+7.14=
一、口算。
3.3-0.6=8.3+7=93.8+7=0.76+0.34=
1.7-0.6=5.8-3.2=9.3+0.1=0.57-0.09=
2.5+0.5=8.6+3.8=70.1-7=0.81-0.2=
7.8-0.1=6.8-1.9=7.5+1.4=0.9+0.08=
3.2-0.7=6.4+7.9=84.1+6=0.67+0.06=
二、笔算。
7.06+0.91=97.36+3.89=7.77-6.73=65+47.5=
9.66+4.65=13.04-5.1=8.38-0.55=11.93+7.42=
5.47-0.27=39.94+7.77=7.92-4.56=79.4+40.3=
8.28-6.77=45.15+5.28=4.7-0.83=86.56-9.58=
一、口算。
7.3-0.9=4.8+3.9=35.4+5=0.85+0.17=
8.4-0.1=6.1-4.6=7.1+0.5=0.54-0.48=
2.9-0.2=3.6+5.8=77.2+7=0.83+0.01=
4+0.7=6+1.6=8.4+1.4=0.63-0.03=
7.9-0.2=5.2+1.1=63.4-6=0.71+0.02=
二、笔算。
1.32-0.25=53.7-2.77=7-4.58=95.9-48.6=
9.71+1.4=88.32+8.72=5.63+0.18=74.12-8.09=
1.39-0.96=62.38+3.83=9.79+4.26=71.7-38.6=
9.8-6.76=29.92+5.62=5.19-0.91=22.98-7.53=
一、口算。
4.2-0.9=9.3+1.4=37.3-3=0.73+0.18=
2.7+0.1=7.8-1.4=9-4.5=0.78+0.27=
3.1-0.3=8.8+5.8=76.3+7=0.58+0.28=
1.6+0.4=6.6+4.8=6.7-2.1=0.82+0.28=
7.4-0.8=5.5+6.1=88.2-3=0.7-0.35=
二、笔算。
2.26-0.59=11.46-9.67=8.28+6.49=55.3+29.9=
8.14-6.09=31.24-8.16=5.72-0.78=43.63+3.77=
6.58+0.4=67.81+1.43=7.86+2.19=88.5-15.5=
9.17-6.9=10.53+3.98=3.52+0.52=18.66+5.75=
一、口算。
2-0.6=1+1.8=78.3+1=0.81-0.23=
1.3+0.2=7.6+1.8=9.2+4.4=0.52+0.24=
2.2-0.3=0.1+2.5=91.5+6=0.77-0.27=
2.7-0.9=9.2-0.3=9+3.5=0.51+0.05=
1.4+0.6=3.3+2.1=89.7-6=0.94+0.26=
二、笔算。
2.69-0.9=93.52+8.46=9.59+3.03=73.3-12.2=
8.97+6.51=43.46-6.49=5.61+0.36=28.15-5.33=
6.83-0.75=43.68-9.08=7.92+3.76=73.2+20.5=
9.04-2.54=58.54+7.49=7.83+0.77=34.99-1.54=
一、口算。
5.8+0.9=8.6+9=86.8-9=0.94-0.28=
4.8-0.7=8-1.6=7.8-2.8=0.71-0.15=
2+0.1=6.4+9.2=91.2+2=0.85+0.09=
1.2-0.7=6.8-1.1=8.6+0.8=0.74+0.22=
4.9+0.2=7.2+1.8=88.2-1=0.54+0.36=
二、笔算。
3.39-0.69=93.79-1.55=8.17+5.55=55.8-33.5=
8.9-2.48=14.98+6.1=6.78+0.18=32.3-4.98=
9.18-0.09=39.37+2.25=7.47+1.48=71.3+28.3=
8.56+1.31=27.4+6.96=1.96-0.09=68.68+1.98=
一、口算。
2.7+0.8=5.4+6.4=25.2+8=0.9-0.16=
1.7-0.3=8.6-1.7=7-0.7=0.74-0.39=
2-0.5=2.8+9.1=48.9-1=0.66+0.04=
5.1-0.3=9+4.4=6.1-0.7=0.95-0.01=
5.1+0.1=5.6+0.8=95.8+5=0.8-0.26=
二、笔算。
4.41-0.34=92.43-2.58=7.14+6.11=93.8+20.1=
8.27+1.4=60.71-3.36=2.76-0.05=11.45+3.02=
2.63-0.6=34.17-8.95=7.82-4.04=58-31.6=
8.41+5.7=99.97+6.37=8.81-0.83=56.79-8.82=
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