四年级数学下册小数加减法练习题精选10.docx
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四年级数学下册小数加减法练习题精选10.docx
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四年级数学下册小数加减法练习题精选10
一、口算。
5.2-0.8=6.7+4.3=51.8+8=0.88+0.26=
2.1-0.1=6.8+0.3=7.7+5.6=0.77+0.48=
1.7-0.1=2+0.3=38.4-2=0.92-0.16=
9-0.8=6.2+1.8=7.9-4.9=0.77+0.08=
2.4+0.7=2.8+9.4=35.4+6=0.62+0.11=
二、笔算。
5.58+0.53=67.15-6.87=7.02-2.07=75.5+17.1=
9.68+4.28=69.46-1.95=6.3-0.18=57.4+1.09=
5.65+0.5=93.42+5.37=8.51-5.72=51.4-42.7=
8.73+3.42=10.85-5.32=6.29-0.44=93.94-5.68=
一、口算。
1.9+0.9=1.1+6=11.6-1=0.9+0.39=
8.5-0.4=5.4+3.7=6.9-4=0.63-0.41=
8.1+0.7=9.5+2.4=86.4+4=0.68-0.4=
4.1-0.5=8.1-0.3=6.9+3.3=0.77+0.47=
4.1+0.9=0.9+0.3=91.3+6=0.9-0.39=
二、笔算。
6.25-0.03=74.85+1.24=8.12+6.24=88.2-24.4=
9.69+4.6=79.34-4.29=7.71+0.36=71.99-2.27=
4.6-0.4=56.69+5.27=8.58+3.21=63.3-44.9=
8.31+2.84=34.4-7.81=6.99-0.89=92.53+1.66=
一、口算。
2.5+0.9=0.9+2.2=52.9+1=0.8+0.39=
7.5-0.3=5.6+0.2=8.9+1.5=0.86-0.29=
8.3-0.8=6.4+4.9=15.7-6=0.69+0.34=
6.9+0.4=8.4+1.5=7.1-2.2=0.93-0.41=
3.8+0.3=6+3.8=65.7+2=0.93-0.3=
二、笔算。
9.93+0.29=23.39+1.99=8.57-5.07=84.5+39.8=
7.65-1.87=23.88-5.7=7.17+0.34=40.27+6.57=
6.68-0.97=46.45+6.16=9.73-2.94=88.2-36.4=
8.52-3.37=53.82+6.73=8.99+0.81=20.73+2.3=
一、口算。
1.4-0.3=5.1+2.6=54.1-8=0.96+0.27=
3.5+0.1=9.5-4.4=7.4-3.9=0.88-0.28=
5.5+0.7=1.9+1.2=34.1+1=0.8+0.38=
4.9+0.2=6.7-0.4=9.5+3.7=0.95+0.25=
8.6+0.5=9.9+2.3=20.6-5=0.84+0.45=
二、笔算。
3.38-0.49=59.03+3.61=7.65-1.14=64.7-28.1=
8.92+6.68=52.9+1.14=5.36-0.56=67.85-1.5=
5.63+0.43=42.59+6.13=8.21+1.38=86.6-18.2=
9.37+5.06=36.34+3.15=7.73-0.9=65.94+3.88=
一、口算。
2.1-0.1=0.6+4.6=97.4-6=0.86-0.14=
8.4+0.9=9.8+2.9=7.5+3.9=0.51-0.07=
8.5-0.7=3.1+6.2=23.1+6=0.94-0.36=
6.5-0.9=8.5+2.6=6+4.9=0.73-0.43=
6+0.9=7.4+1.4=12.8+6=0.76+0.34=
二、笔算。
4.57+0.76=82.01+5.33=8.83+3.83=65.8-21.5=
8.86-1.04=71.48+1.3=4+0.91=44.57-3.46=
8.38-0.71=51.42+9.45=9.35-5.94=57.9+6.6=
9.22+4.67=11.62-3.17=9+0.1=54.04-4.66=
一、口算。
2.8+0.9=3.7+3.6=35.9+8=0.85-0.29=
4.3-0.1=9.7+3.5=6.9-1.3=0.84-0.48=
6.4+0.9=9.6+5.1=93.3+1=0.84-0.47=
2.6-0.5=5.6-2.6=8.5+4.1=0.82-0.05=
6.6+0.1=3.4+7.7=40.4+6=0.74-0.36=
二、笔算。
7.43+0.48=71.83+6.1=7.35-4.75=86.1-12.3=
8.1-4.51=72.08+3.23=4.27-0.07=84.01-7.27=
7.77+0.17=74.38+7.56=8.92-6.55=74.4-23=
7.18-3.52=89.92+1.48=8.51-0.59=96.83-3.71=
一、口算。
2+0.2=1.7+0.3=61.4+6=0.95-0.42=
5.3-0.8=7.3-3.4=9+2.2=0.83-0.1=
5.5-0.5=3.9+7.2=72.3+1=0.74+0.29=
3.3-0.3=9.8-0.9=9.2+5.5=0.55+0.28=
6.9+0.9=5.7+5.5=88.3-3=0.73-0.07=
二、笔算。
1.94-0.89=78.26+4.24=7.43+2.02=97.7+36.2=
9.76-5.8=61.22-9.42=2.37+0.5=12.62+6.22=
3.56+0.48=40.38+5.2=7.53+4.78=57.5+34.7=
8.5-1.46=67.2-7.36=6.54-0.34=46.01-1.31=
一、口算。
2.5-0.2=5.6+1.4=42.8+7=0.72-0.25=
6.1+0.9=5.4-2.3=9.1+4.8=0.8-0.34=
7.4-0.3=8.3+0.3=56.4+4=0.57-0.25=
4.4+0.3=7.5-3.4=7.5-2=0.75+0.46=
4.9+0.8=5.7+8.3=86.7+6=0.63-0.08=
二、笔算。
6.33+0.22=17.26+5.59=8.25-1.61=83.6-8.3=
9.19-1.14=51.66+2.37=1.41-0.71=46.18-1.36=
1.26-0.85=73.87-7.54=7.18+1.45=76.2-41=
7.21-3.23=89.4+7.19=4.49+0.72=55.2+7.91=
一、口算。
5.5+0.8=1.1+6.2=83.1-4=0.51-0.1=
7.6+0.2=7.1-3.9=8+2.1=0.75+0.29=
1.6+0.2=8+4.1=16.5+3=0.89+0.02=
7.8+0.9=5+4.7=6.8-4.9=0.82+0.37=
8.4+0.7=0.5+7.5=18.4+9=0.54-0.28=
二、笔算。
2.57-0.98=96.09-7.76=7.63-1.24=94.2+9.3=
7.69-4=99.66-3.86=2.7-0.54=26.31+4.17=
3.92-0.57=57.07-3.41=7.42-2.71=66.5+17.2=
9.4-6.02=85.41-7.65=5.05-0.61=77.71+8.23=
一、口算。
4.2-0.2=3.4+4.5=97.5+8=0.96+0.19=
2.5-0.5=8.8-3.1=6.1+2.2=0.5+0.32=
4.8-0.8=5.3+3.8=10.8-7=0.99+0.26=
2-0.2=8.8-2=9-5.5=0.56+0.23=
3.4+0.4=6.2+5.5=37.3+8=0.83+0.08=
二、笔算。
6.35+0.21=54.02-9.88=9.08-3.85=58.9+18.6=
9.05+6.81=73.42-8.81=9.34+0.6=55.85-6.49=
2.12+0.39=13.2-2.02=9.03-5.29=88.2-11.7=
9.7+6.36=86.15-2.31=2.86-0.85=59.25+7.93=
一、口算。
3.6+0.1=0.5+2.5=93.1+2=0.55+0.25=
1.9+0.2=9-1.6=9.2+3=0.61+0.38=
5.7-0.1=9.4+9.5=97.2+7=0.61+0.14=
6.1+0.6=6.2+3.7=9.9-4.2=0.56-0.41=
6.1+0.3=5.4+9.3=69.9+7=0.97+0.33=
二、笔算。
9.52-0.78=32.94+2.51=9.64+3.87=84.1-34=
9.79+1.44=73.09+7.66=8.2-0.88=83.29+5.08=
9.95+0.23=83.67-9.32=7.41-4.06=51.8+3.1=
7.04+6.11=83.53+1.78=5.91+0.82=91.85-1.26=
一、口算。
5.5-0.6=2.3+2.2=50.8+7=0.56-0.44=
2.2-0.9=7.2+4.1=6.6-4.6=0.62+0.14=
1.7-0.1=9.5+0.7=32.9-7=0.84+0.04=
6.3+0.4=8.9+4.2=7.8+2.6=0.51+0.45=
8.2-0.9=6.8+6.4=15.4-8=0.86+0.09=
二、笔算。
8.32-0.96=43.86-8.28=9.25+6.79=90.8-41.9=
9.07-6.69=25.73-7.04=3.59+0.38=40.54+1.69=
8.87-0.4=14.95-1.68=7.48+2.73=61.6-24.1=
8.71+5.35=23.42-6.9=6.81+0.58=15.28+5.62=
一、口算。
3.5-0.5=1.5+4.9=65.6+2=0.55+0.35=
1.1+0.4=6.3-2.3=9.3-3.2=0.9+0.26=
2.3+0.5=0.7+1.9=58.7-4=0.83+0.42=
1.5-0.8=5.6+1.4=8.9+5=0.67-0.25=
6.6-0.7=8.2+0.4=10.2-5=0.8+0.35=
二、笔算。
2.34-0.81=83.76-7.69=8.47-3.89=99.4+10.8=
9.38+3.84=82.38+7.48=2.47-0.15=33.84-6.51=
3.95+0.67=48.37+6.15=7.61-1.86=56+18.6=
8.62+2.02=52.98+9.83=2.12+0.02=46.89-9.5=
一、口算。
8.2-0.5=2.1+0.5=38.6-3=0.65-0.48=
7.9-0.3=9.7+1.5=8.9-4.7=0.71+0.41=
6.7+0.4=5.3+1.5=19.3+9=0.82+0.15=
2.9+0.6=8+3.5=9.2+1=0.75-0.19=
7.3+0.3=6.4+5.8=12.4+9=0.84-0.18=
二、笔算。
3.67+0.48=42-7.53=9.39+1.86=72.6+22.1=
8.12+6.79=83.16-2.41=8.86-0.45=53.62-5.65=
2.1+0.61=96.92+6.3=9.73-6.49=99.1+1.5=
8.72-4.63=94.92+2.57=1.98-0.61=93.63-9.45=
一、口算。
2.8-0.4=7.8+8=16.4+7=0.76-0.36=
4+0.2=7.6-4.6=6.5+5.7=0.76-0.31=
5.6+0.7=8+9.6=45.9+8=0.82+0.07=
4.9+0.7=9.8+0.4=7.9+4.4=0.9+0.39=
1.4+0.3=2.1+5.5=24.3+7=0.7+0.35=
二、笔算。
7.1+0.61=71.08-8.76=8.25-3.44=55.3+34=
9.35-6.27=70.1-2.98=2.56+0.63=67.74-5.01=
8.32+0.45=51.94+4.95=7.95-4.13=58.7-43.7=
7.6+2.01=34.86-6.64=3.75+0.98=88.09-4.04=
一、口算。
8.9+0.9=9.1+3.2=72.4-7=0.53+0.13=
6.1+0.9=7.5+0.5=7.2+2.6=0.53+0.24=
7.1-0.7=5.2+3.9=65.2-6=0.84-0.31=
1-0.5=8.3-0.8=7.2-2.2=0.52+0.48=
7.7+0.9=8.9+0.6=93.3-9=0.8-0.05=
二、笔算。
9.93+0.5=81.48-3.74=7.54-6.71=96.5-15.9=
9.11-6.55=85.01-6.94=7.95+0.13=41.89-2.86=
2.41-0.1=88.24-3.93=8.19+6.08=74.2-2.4=
8.87+5.71=32.72+1.04=6.61+0.54=18.91+2.28=
一、口算。
5.8-0.2=6.8+5=94.2-6=0.97+0.14=
4.9+0.4=9.1-2.6=8.6+1.1=0.8+0.13=
4.5-0.3=1.2+9.3=90.7-6=0.5-0.06=
2.4-0.3=5+4.1=7.5-1.3=0.54-0.26=
2.1-0.1=9+7.4=57.5-5=0.55-0.21=
二、笔算。
6.82-0.48=30.75-1.03=7.98+2.91=67.6+44.9=
9.28-2.74=12.31-1.69=7.69-0.69=59.16-9.47=
4.46+0.57=77.55-6.8=9.57+2.54=85.9-7.7=
7.75+2.99=20.29+8.52=8.86+0.25=69.78-3.72=
一、口算。
8.5+0.1=5.2+4=67.7+9=0.82-0.2=
1.4-0.5=8.2-2.8=7.3+5.3=0.59-0.16=
1.4+0.1=1.8+8.2=16.8-8=0.78-0.44=
4.3-0.8=6.3+3=9.2+1.6=0.64+0.44=
2.1-0.3=3.9+9.4=20.6+1=0.98-0.21=
二、笔算。
7.48+0.49=67.13+7.37=9.38-1.73=95.2-21.4=
9.3+5.41=69.34-9.13=9.46+0.19=15.78+9.29=
1.71-0.4=97.94+8.5=7.83+2.6=52+31.6=
8.36+1.59=68.86+7.14=1.74+0.04=19.89+9.05=
一、口算。
8.4-0.2=6.8+5.2=28.1+1=0.97-0.28=
9-0.4=5.7-0.5=6.2+4=0.96-0.42=
7-0.7=4+6.3=14.3-6=0.73-0.03=
8.6-0.3=8.9+2=7.1-1=0.7+0.19=
1.2-0.3=5.8+6.8=10.1-6=0.8-0.23=
二、笔算。
1.32+0.64=63.13+9.38=8.77+6.82=97.6-29=
7.83-5.24=53.13-9.18=7.66-0.05=11.34-6.02=
6.61+0.69=81.27-9.26=8.79+2.5=72.5+38=
8.3-6.82=59.29-2.92=1.75-0.27=51.98+5.57=
一、口算。
3-0.4=8.3+0.7=85.3-2=0.68+0.27=
1.2+0.4=8.7-0.7=7.3-5.2=0.87-0.45=
5-0.3=5.6+6.7=71.5+7=0.83+0.49=
7.1-0.3=8.7+2.9=7.9-5.1=0.86+0.42=
2.5-0.5=1+7.6=25.2+8=0.7+0.15=
二、笔算。
8.12+0.92=59.46-5.56=9.45-1.48=76.5-1=
7.55+4.96=51.73-9.48=5.05-0.71=44.79-4.16=
4.22-0.25=98.03+9.72=7.57+3.81=87.5-23=
9.98+2.19=15.09+9.37=1.02-0.85=78.14+7.13=
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