四年级数学下册小数加减法练习题精选104.docx
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四年级数学下册小数加减法练习题精选104
一、口算。
7.2-0.9=9.5+4.2=68.1+2=0.68+0.04=
2.2-0.7=5.8-0.7=9.3-4.6=0.55-0.42=
3.1-0.3=6.3+5=61.1+8=0.81-0.05=
6.3+0.7=7-3.1=8.3-2.7=0.85+0.03=
6.8-0.4=4.4+2.9=54.5-8=0.75+0.38=
二、笔算。
5.24-0.66=88.75+2=9.54-3.25=74.5-23.3=
8.78-3.71=89.52+5.71=8.93-0.38=60.17-8.07=
2-0.18=49.32-6.37=7.01-2.51=52.1+27.4=
7.22-4.8=78.61+1.74=7.06+0.08=45.26+5.51=
一、口算。
6.4-0.1=2.7+2.5=70.3+5=0.97-0.08=
7.3+0.9=9.9-1.9=6+3=0.78+0.07=
7.3-0.4=2.2+0.2=56.1-5=0.82-0.37=
7.6+0.6=6.8+2.1=9.9-2.4=0.82-0.41=
4.1+0.3=3+2.5=38.9-7=0.8+0.07=
二、笔算。
7.02+0.27=51.45-8.38=7.18+1.6=53.1-16.8=
8.55-5.34=52.9-5.41=9.45+0.32=35.16-1.85=
7.46-0.36=29.8-1.52=9.74+2.16=56.7+44.5=
9.44-3.55=65.81+6.3=3.01-0.95=97.35-1.7=
一、口算。
2.2+0.6=9+0.7=97.6+4=0.96-0.45=
2.3-0.7=5.8+3.2=6-3.6=0.69+0.15=
6.5-0.6=9.7+4.9=49.7-7=0.85+0.22=
5.8-0.8=9.3+3.3=6.8+3.4=0.77-0.22=
2.2+0.8=8.4+8.6=60.8+9=0.78+0.13=
二、笔算。
6.1+0.37=35.68+5.76=8.36-5.67=60.7-42.6=
7.66+2.92=37.8-5.84=6.47-0.83=48+4.33=
3.56+0.05=63.3-1.1=7.42+1.81=57.5-34.5=
9.94+1.14=57.71-3.58=3.83-0.56=77.81+1.98=
一、口算。
7-0.9=2.1+0.2=38.9-6=0.5-0.19=
6+0.5=7.9+2.2=9.1+4.5=0.85-0.49=
8-0.7=9.8+9.7=99.3+2=0.8+0.2=
7.5+0.5=9.8-0.4=7.3-3.2=0.79-0.11=
9-0.7=1.7+7.5=64.2-4=0.99-0.32=
二、笔算。
1.73-0.9=12.06+3.79=9.72+6.23=78.2-15.3=
7.91-5.43=49.79+9.01=8.62+0.19=37.28+6.68=
1.12-0.67=76.47+3.16=7.58-5.24=57.7+22.3=
8.3+3.84=79.48-2.37=2.55-0.95=84.24+7.01=
一、口算。
6.6-0.6=8.8+1.3=20.1+8=0.62-0.27=
8.7-0.8=6.1-3=9.5+5.6=0.99-0.03=
5.7-0.3=2.3+4.2=76.8-3=0.67-0.07=
1.5-0.3=8.6-0.5=6.1-0.4=0.66+0.14=
3.2+0.9=1.9+9.7=40.9+4=0.89-0.3=
二、笔算。
1.29+0.76=31.04+6.96=7.53+2.99=94.9-22.8=
8.11-6.81=52.5+7.96=5.9-0.3=64.23+2.68=
3.2-0.57=32.67-9.04=7.1+3.07=83.6-9.1=
9.92-4.18=52.98-1.31=5.9-0.37=28.97+3.61=
一、口算。
4.2+0.8=4.2+7.1=86.4+9=0.91+0.41=
1+0.6=8.9-2.6=8.5+5.1=0.66+0.28=
9-0.9=5.3+5.3=44.9-5=0.71+0.19=
8.4+0.8=7.3-2.8=7.5+0.3=0.77+0.3=
6.5-0.8=8.6+2.5=79.5-9=0.51-0.12=
二、笔算。
8.9+0.79=75.26-6.12=7.49+4.52=95.4-19.5=
8.97-3.13=98.97-1.38=1.13-0.06=50.82-9.14=
9.63-0.76=37.19-1.28=7.35+2.36=93.4-45.7=
7.61+6.29=74.38+3.98=2.8-0.87=19.19+4.71=
一、口算。
2-0.6=9+2.4=18.1-8=0.86+0.09=
2.3-0.6=9.4+3.7=8+3=0.75-0.09=
4.5-0.5=5.4+0.8=67.5-9=0.93-0.28=
2.4+0.6=8+1.6=9.7+5=0.84+0.33=
2.6-0.8=3.1+0.3=56.1-8=0.7-0.32=
二、笔算。
9.59-0.69=64.06+2.46=7.39+1.21=54.4-18.1=
9.69+5.3=92.18-2.14=3.93+0.35=87.28-5.82=
6.79-0.82=86.38+7.06=7.24+3.84=74.9-4.7=
7.22+1.01=26.28-1.67=9.43+0.89=84.01-3.93=
一、口算。
4.7+0.4=1.9+3.9=26.9-3=0.68+0.24=
3.2+0.4=5.6-2.6=6.9+0.4=0.85-0.32=
2.6-0.5=2.1+7.2=69.3-3=0.72+0.46=
2.4+0.5=6.4+4.1=7.5-3=0.5+0.15=
1.5+0.7=9.7+6.2=85.2-7=0.56+0.2=
二、笔算。
8+0.65=87.09+5=9.71-4.9=78.1-40.7=
7.05+4.43=43.63+6.86=6.18-0.57=24.27+1.46=
9.34-0.58=11.3+2.92=7-4.83=84.4+40.6=
8.57+6.83=65.75-1.53=8.6-0.43=31.42+5.63=
一、口算。
8.1-0.5=5.9+7.7=73.9-7=0.58-0.38=
1.7-0.7=6.7+1.4=8.4+3.4=0.95+0.27=
4.4-0.4=9.2+6.5=46.8-6=0.67-0.11=
7.9-0.5=8.4-0.6=9.8-1.9=0.92-0.23=
6+0.6=9.6+1.3=55.5+9=0.81-0.21=
二、笔算。
5.58-0.28=86.31+8.09=7.15+5.98=73.1+1.2=
9.17+6.68=50.9-3.38=6.7+0.45=64.66-7.42=
5.77-0.57=40.85-3.72=8.03-1.39=70.3+20.5=
9.76-3.53=29.64+4.06=5.45-0.48=75.1+7.49=
一、口算。
2.3-0.2=2.5+7.6=82.4-9=0.77+0.4=
9-0.3=8.3-3.7=8.3-0.9=0.91+0.07=
6.5+0.9=8.3+4.8=12.3-7=0.6-0.13=
4.1+0.8=7.6-0.2=7.2-1.8=0.51+0.13=
6.5+0.5=5.6+5.6=84.4-1=0.51-0.31=
二、笔算。
3+0.67=43.5+3.57=8.81-5.06=98.1+21.1=
9.56+6.81=90.77+3.21=4.85-0.55=95.76+1.43=
3.65+0.99=62.6-5.31=9.18+6.43=92.5+21.9=
9.53-1.04=67.17+3.15=7.52-0.14=21.72+1.44=
一、口算。
7.4-0.6=1.1+9.1=99.8-2=0.99-0.38=
8.8+0.7=6+0.7=9.1+0.3=0.77+0.48=
4.2+0.8=4.9+9.9=92.2-7=0.7-0.3=
4.3-0.7=9.8-2.6=8.3+2.9=0.88-0.12=
8.9+0.1=8.3+7.6=80.8-8=0.81+0.31=
二、笔算。
9.62-0.21=86.38-6.5=9.73-2.82=89.1+17.3=
7.2-1.12=43.7+7.86=4.54-0.75=54.25-1.28=
1.22+0.48=92.01+3.98=7.47+5.29=67.3-46.4=
8.77-3.6=88.44-8.2=9.72-0.97=47.43-5.23=
一、口算。
8.6-0.5=6.8+7.6=71.6+4=0.56-0.13=
1.7+0.9=6.4-4=8-2.6=0.7-0.19=
7-0.3=5.4+1.8=15.6+3=0.71+0.11=
1.7-0.8=7.9+2.5=9.1+0.8=0.55+0.48=
8.4+0.2=7.7+1.1=95.8-7=0.83+0.14=
二、笔算。
2.76+0.82=52.34-5.75=7.35-4.06=53.9-49.8=
7.04-1.15=34.76-7.08=9.76-0.75=19.09-7.25=
5.25+0.67=16.72-9.49=9.82-3.28=73.5-11.2=
7.82+3.13=31.29-5.96=1.92-0.15=14.08-8.58=
一、口算。
2.7-0.6=6+1.6=97.2-9=0.83+0.19=
4.6-0.4=9.1+1.6=8.2-4.6=0.5-0.48=
7.2-0.3=7.8+6.8=23.3+8=0.72-0.23=
6.4-0.3=7.3+2=9.2-4.8=0.71-0.16=
8.5+0.5=8.8+9=12.5+8=0.89+0.19=
二、笔算。
9.61-0.76=56.78+5.89=9.71-5.95=67.2-4.8=
9.37+6.28=12.58+6.87=7.56+0.61=60.51-2.29=
9.53+0.51=45.89+9.45=9.52-4.37=84-17.8=
7.75+4.56=47.93-3.22=7.77-0.75=10.04+4.96=
一、口算。
1.3+0.6=8.6+4.4=52.1+7=0.82+0.19=
4.3+0.7=7.4-2.2=8.9+3.6=0.64-0.46=
4+0.9=5+4.7=36.4-3=0.6+0.22=
3-0.4=6.1+3.5=8+1.3=0.54-0.22=
8.7+0.2=1.4+6=14.3-9=0.83+0.21=
二、笔算。
9.3+0.19=76.51+9.41=9.87+4.63=86.5+13.6=
8.08+4.33=33.41-9.06=5.02-0.53=62.49+3.74=
7.22-0.81=49.6+4.11=9.76+2.99=58.8+12.3=
8.17-3.06=33.03+9.54=3.85-0.79=48.44+6.67=
一、口算。
1.8-0.9=4+5.5=37.2-1=0.84-0.26=
9+0.4=5.9-2=8.2-2.3=0.7+0.43=
5.4-0.2=3+9.2=51.7-7=0.78+0.33=
3.5-0.5=9.2+4.9=8.3+2.3=0.83-0.07=
7.1-0.4=1.4+7.5=81.2-1=0.95-0.03=
二、笔算。
5.29+0.42=45.31-4.95=9.24+2.41=76.7+2.1=
9.08+6.05=99.63+1.69=9.24+0.5=45.44+2.8=
4.76+0.34=19.54+4.45=8.47+4.55=70.8-16.1=
7.9+3.22=35.81+2.63=8.8-0.71=52.46-7.33=
一、口算。
9+0.7=0.2+7.4=53.9+2=0.74+0.25=
5-0.8=7.1+1.4=6.6+5.2=0.9-0.01=
5.4+0.6=5+1.7=46.1-7=0.68+0.19=
8.3+0.5=6.2-2.1=6.7+1.2=0.82-0.34=
6.6+0.5=1.5+7.8=32.9-1=0.59+0.37=
二、笔算。
2.75-0.85=62.96+3.91=9.36-4.51=54.1-5.3=
9.82-6.12=23.54+8.4=7.27-0.8=80.44-1.57=
4.68-0.06=52.17+5.03=8.31+5.7=96.4+34.8=
8.19+2.85=14.7+9.44=1.3+0.65=66.3+5=
一、口算。
2.1-0.4=0.5+9.4=54.1-2=0.54+0.44=
2.6-0.4=9+1=9.1+4.1=0.89+0.34=
7.2+0.8=3.6+6.6=15.5-9=0.84+0.03=
8.1+0.2=9.3-3.7=6.7+4.4=0.5-0.4=
5.5+0.3=5.9+6.9=56.5-9=0.6-0.37=
二、笔算。
7.74-0.93=82.28+1.89=8.72-5.11=90.4+4.6=
8.18-6.95=66.4-3.63=8.37-0.66=94.66+5.33=
5.5-0.36=18.62+4.99=8.76-6.99=50.1+35.9=
9.84-3.97=24.53-1.4=3.74-0.15=53.26-7.43=
一、口算。
7.9-0.1=8.4+7.5=15.6-9=0.9-0.4=
1+0.7=5.4-2.6=8.5-1.9=0.59+0.15=
7.5+0.2=2.2+8=71.8-8=0.86-0.42=
5.8-0.4=9.3+2.1=6.2-1.5=0.65-0.08=
6.5-0.8=1.6+4.9=18.3+3=0.81+0.19=
二、笔算。
7.91-0.37=91.56+2.31=7.29+6.06=97.8+42=
7.49+5.24=88.19-8.28=5.05-0.85=13.08+6.57=
8.88-0.12=24.06-2.59=8.4+1.9=63.4+47.3=
8.76-4.78=76.35-1.93=7.53+0.76=67.94-1.49=
一、口算。
5.4+0.6=5.7+9.8=67.1+8=0.59-0.27=
1.9+0.7=6+3.8=8.4+4.3=0.55+0.08=
5.5+0.4=5.8+5.7=23.7-5=0.9-0.02=
4.7+0.8=6.5-2.1=9.8-3.5=0.53+0.38=
5.5-0.3=9.4+0.2=46.5-2=0.76-0.27=
二、笔算。
5.81-0.67=20.56-7.98=7.05+1.85=74.9+13.3=
7.06+2.51=15.82+7.94=7.62+0.8=10.1-2.12=
7.46+0.36=96.11-8.27=8.59-1.32=97.3+8.2=
9.03-6.09=74.56-1.57=3+0.56=67.36+6.38=
一、口算。
5.7-0.3=3.9+4.2=97.1-1=0.61-0.02=
4-0.8=7.7-2.1=8.2-0.5=0.98-0.23=
6.2+0.5=0.1+9.6=51.1+7=0.83+0.41=
7.8-0.2=9.2+0.2=6.7+4.7=0.87+0.01=
6.9+0.8=9.8+5.2=33.4+2=0.86-0.23=
二、笔算。
6.54+0.21=29.67+1.47=8.06-6.27=90+23.5=
7.75-3.2=44.74-2.99=1.08+0.74=30.61+6.36=
8.52-0.36=57.59+4.49=7.17+6.11=99.7-17.9=
7.66+5.4=67.39-7.91=2.19+0.49=46.76+4.05=