四年级数学下册小数加减法练习题精选209.docx
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四年级数学下册小数加减法练习题精选209
一、口算。
2.4-0.1=6.2+8.4=80.8-1=0.82+0.32=
8+0.5=9.7-0.3=8.9+3.7=0.59-0.21=
6.2-0.3=7.7+0.4=18.6-1=0.51+0.49=
8.8+0.4=9.7+2.1=8.4-2=0.51-0.03=
5.3-0.8=4.8+6.4=85.6+3=0.62+0.07=
二、笔算。
5.4+0.87=27.01+9.97=9.48+5.26=78.9+28.7=
7.86-6.96=10.46-4.43=6.58+0.42=25.1+7.36=
2-0.98=57.93+8.38=7.16-1.32=81.8-34=
9.73+1.52=12.55-7.02=5.45-0.13=83.37+9.36=
一、口算。
6.7+0.7=1.5+6.3=59.6-3=0.98-0.2=
6.8+0.9=7.8-4.1=8.9-1.6=0.86-0.01=
3+0.1=0.6+1.2=52.6+9=0.65+0.38=
7.6-0.8=8.7-4.2=7.6-5.1=0.61+0.18=
6.8+0.7=5.3+3.6=11.5-7=0.52+0.03=
二、笔算。
6.1+0.87=17.54-6.13=8.86+3.67=58.9-41.3=
8.19+6.08=74.75-8.63=4.14-0.6=80.78-5.07=
1.51+0.59=17.2-8.26=7.14-1.7=62.7-28.3=
7.59-5.88=23.01+9.17=5.84-0.35=36.68+8.48=
一、口算。
9+0.8=1.2+5.8=36.4-5=0.82-0.12=
2.4-0.1=8.5-0.9=8.7-1.6=0.5-0.15=
2.5+0.3=4.8+1.3=57.2-7=0.58-0.32=
8.9+0.6=9.2+1.5=8.5-1.2=0.8-0.22=
3-0.5=5.6+4.1=93.7+6=0.86+0.06=
二、笔算。
3.79-0.36=49.57+4.99=7.16-6.13=57.5+15.4=
9.29+1.88=48.71+7.6=8.74+0.66=67.56-8.94=
2.35+0.33=52.07+1.13=7.29-2.6=69.6-11.5=
8.76+3.31=67.53-8.06=1.45-0.34=54.82+3.84=
一、口算。
1.7-0.1=5.4+5.9=75.2-2=0.53+0.37=
3.4+0.9=5.5+1.7=8.7+1.6=0.51-0.25=
5.6-0.5=2.9+4.4=52.3-8=0.58-0.19=
5.1-0.5=8.4+1.1=7-2.5=0.51+0.46=
2+0.2=0.7+5=16.9+5=0.75+0.35=
二、笔算。
4.34+0.28=72.27-5.22=7.7-3.34=55.9+21.2=
9.56-1.82=70.19+2.77=5.59+0.02=53.13-4.6=
1.51-0.62=96.53+9.37=7.1-6.03=55.9-30.5=
8.65+2.76=39.52-2.69=3.31-0.2=84.67-7.96=
一、口算。
4.7-0.8=9.5+5.7=87.6-9=0.95-0.42=
6.9+0.5=6.4-0.2=8.7-0.3=0.5-0.35=
1.1-0.2=0.2+6.4=18.6-7=0.65-0.26=
5-0.8=9.2-4.9=7.6+2=0.72+0.34=
5.7+0.2=0.5+6.8=52.6-3=0.98-0.45=
二、笔算。
4.01+0.16=12.66-7.05=9.26+6.11=66.5-46.1=
8.63+5.32=58.92+5.02=2.58-0.28=23.28-5.44=
8.79+0.83=33.92+4.51=9.67+5.12=52.5+8.5=
7.98-4.41=16.97+6.09=5.03-0.38=17.5+2.29=
一、口算。
7.7+0.2=2.4+6.6=82.2-4=0.88-0.23=
7.3+0.2=9.8+1.1=7+3.8=0.78+0.07=
5+0.1=2.8+8.7=82.9-8=0.68+0.37=
4.5+0.7=5.4-2.1=8.6-1.3=0.72+0.44=
3.2+0.1=7.7+2.1=80.7-3=0.63-0.07=
二、笔算。
6.09-0.29=73.14-1.38=8.66+3.83=84.7+26.4=
8.26-5.34=24.74+6.12=6.68+0.19=17.1+9.32=
6.4-0.87=93.47+4.07=8.6-3.18=84.8-37.9=
9.3+2.67=99.66-8.95=7.31+0.77=30.85-4.49=
一、口算。
6+0.4=3.4+9.9=21.5-8=0.84+0.16=
3.6+0.7=7+4=7.9-2.7=0.92+0.22=
7.9-0.7=7.3+8.9=77.3-6=0.89-0.26=
4.4+0.6=8+2.3=7.8+1.7=0.7+0.47=
5.7+0.1=7.5+4.7=39.1-7=0.87-0.07=
二、笔算。
6.53+0.89=23.64-1.55=9.7-6.65=99.5-32.1=
9.92+3.52=32.07-8.34=8.09-0.95=22.18-5.09=
8.02-0.11=18.31-6.18=7.79+4.65=52.8+49.6=
7.68+6.76=67.72+6.38=1.05+0.3=39.62+7.52=
一、口算。
9-0.1=6.3+8.1=67.1-2=0.7+0.07=
2.1-0.6=5.5+3.9=9.1-1.6=0.92+0.02=
5+0.9=6.1+2.6=98.6-2=0.87-0.13=
5.9+0.3=5.8-2.6=9.1+3.1=0.6-0.12=
7.4+0.6=6.8+7.7=10.4-2=0.72-0.1=
二、笔算。
2.96+0.48=26.23+4.01=8.69+4.82=98+31.1=
8.6-6.13=27.71-3.26=1.21-0.13=29.99+4.11=
9.1-0.4=19.18+7=7.54-4.3=91.8+19.5=
7.29-6.17=65.47+7.9=4.43+0.32=21.17+4.18=
一、口算。
8-0.9=0.8+2.1=61.7-4=0.55-0.28=
6.3-0.6=8.3-4.5=6.5+3.3=0.82+0.18=
8+0.6=1.4+9.2=49.3+9=0.85+0.4=
6.1+0.6=7.5+2=9+5=0.5+0.09=
1.7-0.5=9.2+5.1=97.7-5=0.51+0.07=
二、笔算。
3.76+0.14=42.68+4.34=7.96-2.54=68-32.7=
8.28+2.89=52.78-1.69=5.69+0.59=21.27+6.23=
8.1+0.23=90.55-3.5=8.91-2.63=84.6-24.5=
7.25-4.55=55.02+8.9=7.58+0.03=26.31-5.85=
一、口算。
8-0.6=9.9+6.5=74.6+1=0.96-0.13=
4.1-0.4=6.3-3.5=7.8+4.5=0.73-0.33=
3.8+0.2=6.1+8.2=96.8+9=0.61-0.33=
5.7+0.4=7-4.7=8.1+2=0.7+0.16=
4.3+0.6=6.5+5.8=48.2+1=0.94-0.1=
二、笔算。
4.15+0.38=28.9+7.57=9.32-3.91=59-43.9=
9.69-1.3=52.07-6.35=2.28-0.62=73.89-8.74=
4.31-0.06=44.32-4.64=9.33-5.53=91.9-25.2=
9.63+3.26=40.71+7.46=7-0.98=66.03+7.38=
一、口算。
2+0.5=6+9.7=60.4+1=0.52+0.41=
6-0.3=7.1-3.1=6.8+0.3=0.92+0.49=
4+0.6=1.3+3.1=75.7+4=0.77+0.24=
2.8-0.6=5.6+4=7.8+0.1=0.83-0.12=
8.4+0.8=4.4+6.4=66.7-9=0.86-0.43=
二、笔算。
5.43-0.1=91.88+3.47=9.93-4.62=75.5-15.3=
7.37+3.5=44.94+5.79=9.52+0.38=76.53-5.49=
1.84+0.84=54.26+8.32=9.5-3.27=52.5-18.1=
9.92+1.69=78.73-2.19=4.9+0.81=71.12+2.25=
一、口算。
4.4+0.7=6.4+0.6=71.2-9=0.98-0.38=
6.1-0.8=5+1.5=7.6+0.4=0.73-0.3=
4-0.2=4.2+6=92.3+1=0.69-0.42=
3.3-0.6=9.8-0.4=7.2+3=0.96-0.09=
7.8-0.7=7.2+4.6=18.3-2=0.55+0.26=
二、笔算。
6.22-0.09=73.74+9.41=7.78-3.52=60.7-47.4=
8.68-4.32=31.7-1.29=3.37-0.8=45.78-3.02=
7.74+0.46=81.22+7.69=7.08+2.27=73.5-43.2=
8.02+4.77=75.1+4.3=2.21-0.88=88.19+8.66=
一、口算。
3+0.3=8.5+9.1=51.2+9=0.84-0.14=
8.8-0.5=7.2+0.5=7.8+1.7=0.99-0.22=
7.6+0.1=4.3+1.8=82.6+3=0.52+0.36=
1.8+0.4=6.2-0.2=7+5.6=0.77-0.07=
8.3-0.3=5.3+4.7=68.4+9=0.87+0.16=
二、笔算。
5.1+0.47=61.5-6.2=7.23-3.9=81.8+21.7=
8.22-2.73=87.45+3.33=5.57+0.09=40.95-9.85=
7.27-0.73=30.52-2.72=9.83-5.19=51.4+31.5=
7.27+2.24=60.27+5.71=6.14+0.14=85.9-2.16=
一、口算。
4.4+0.3=1.7+9.2=81.4-7=0.51+0.37=
6.1-0.3=8.9-1.2=7.2+2.8=0.54-0.41=
7.3-0.1=1.2+3.9=81.8-3=0.55+0.09=
2.1+0.2=6.2+3.4=7.4+1.8=0.69+0.39=
4.9+0.3=0.5+0.4=14.8+1=0.83-0.33=
二、笔算。
8.76+0.41=29.17-5.79=9.07-3.35=85.3-12.8=
8.06-3.83=99.13-5.38=3.64-0.82=16.53-1.81=
8.84-0.69=82.7-5.33=8.54-2.99=60.5-46.3=
7.47+1.08=21.65-4.61=9.04+0.19=67.07+8.57=
一、口算。
1.9-0.3=5.6+1.4=30.3-3=0.82+0.07=
8.3+0.9=7.3-2.3=9.4+3.6=0.77+0.41=
3.6+0.4=5.1+0.3=95.5+7=0.64+0.06=
2.3-0.6=8-1.5=7.3+2.4=0.92-0.36=
8.4-0.2=4.9+5.2=55.2+2=0.68+0.12=
二、笔算。
9.48-0.41=55.26+8.05=9.77-4.34=58-15.4=
7.91+5.22=11.32-1.27=7.16-0.07=92.49+4.66=
9.72-0.06=96.83+5.32=7.08+6.11=52.4-29=
9.52+6.44=30.08-3.89=8.36+0.42=18.94-7.68=
一、口算。
8.6+0.3=2.2+9.8=82.2-3=0.86+0.05=
6.7+0.5=6.1-4.7=6.4-3.2=0.56+0.36=
4.7-0.5=1.1+5.3=56.1+1=0.87+0.13=
6-0.2=5.7+3.3=8.3-5.1=0.58+0.31=
8.9-0.2=6.2+8.5=23.3-5=0.86+0.18=
二、笔算。
9.07-0.02=67.06+7.74=8.4-6.34=63.5+23.2=
7.07+2.52=13.86-8.58=5.28-0.81=83.24-7.96=
6.82-0.21=57.82-3.4=9.06-6.63=82.8-16.8=
7.27+3.84=31.06-9.75=2.72+0.92=17.17-2.01=
一、口算。
5.6-0.8=3.7+6.9=32.4-8=0.67-0.13=
2.4+0.9=5.3-4.3=8.2-5.6=0.78+0.38=
4.3+0.2=5.9+1.1=86.6-1=0.67-0.43=
4.1+0.2=8.9-2.7=9.4-2.9=0.69+0.19=
3.9-0.8=3+1.8=85.5+3=0.66+0.14=
二、笔算。
4.36-0.89=18.95+8.89=9.5+4.97=82.9-5.8=
9.82-1.72=39.86-6.93=9.11+0.68=47.66-3.58=
4.67-0.76=49.98-3.38=7.06-5.59=71.7+31.9=
9.01-2.26=26.85+8.14=5.99+0.62=77.4-1.35=
一、口算。
6+0.4=9.2+2.2=84.7+7=0.91-0.07=
2.1+0.6=9.3-3.1=8.9+2.1=0.57+0.22=
7.9-0.4=0.4+7.7=62.7-9=0.85+0.17=
2.9-0.9=6.2-3.1=6.6+2.4=0.61+0.18=
8.1+0.5=1.8+2.2=47.9+5=0.97+0.37=
二、笔算。
8.41-0.46=86.57-9.51=8.75+2.27=67.9+26.8=
8.81-4.96=48.15-8.81=8.49-0.03=11.11-5.78=
5.61+0.9=54.93+8.48=7.11-6.23=52.7-1.2=
9.23+5.8=51.7+3.16=9.41+0.72=94.62-1.13=
一、口算。
8.1+0.5=2.9+4.1=52.6-6=0.69+0.12=
2.2+0.1=8.7+4.7=7.1+0.8=0.84+0.27=
6.8-0.9=4.4+0.4=93.8+7=0.79-0.44=
1.8-0.3=8.6+0.7=7.7-1.9=0.55+0.37=
2-0.3=7.8+8.8=59.2-8=0.67+0.41=
二、笔算。
2.41+0.42=51.34-7.85=8.58-1.53=57.9-26=
8.75+5.1=86.95-4.42=8.69-0.59=31.23+7.64=
3.52-0.17=45.06+5.56=9.77+2.4=80.6-18.8=
8.87+3.41=31.13-2.54=6.75+0.6=43.94+3.37=
一、口算。
4.5-0.5=4.3+1.7=34.1-2=0.7+0.45=
7.7-0.8=9.3-3=9.8-3=0.91-0.4=
3.6+0.6=8+2.7=46.5-8=0.8+0.26=
2.1+0.5=5.5+0.9=9.1+1.7=0.91-0.32=
1.9-0.7=5.8+2.6=97.3+5=0.69+0.3=
二、笔算。
6.45+0.76=99.58+7.48=9.12-3.74=89+38.4=
8.85-1.53=58.52+6.36=1.02+0.91=18.21+8.23=
3.25+0.12=36.19+2.31=7.47-5=77.3+12.3=
7.98-1.02=40.71+3.37=7.66-0.63=13.29-2.48=