四年级数学下册小数加减法练习题精选87.docx
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四年级数学下册小数加减法练习题精选87.docx
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四年级数学下册小数加减法练习题精选87
一、口算。
8.2+0.7=6.1+7.5=66.6+3=0.58+0.13=
4-0.2=6.5+1.9=7.3-0.1=0.81-0.27=
1.7-0.2=0.4+0.2=53.5-5=0.55-0.44=
5.5+0.4=9+2.1=7.3-2=0.95+0.48=
2.9+0.1=4.4+5.3=16.9-6=0.76+0.4=
二、笔算。
2.41+0.7=25.96+5.58=8.13-4.98=57.7+36.4=
7.11+6.45=59.55-4.63=1.84+0.71=78.32+6.34=
8.23-0.24=32.23-7.05=8.18-4=68.5-45.7=
7.61-6.29=75.97-4.92=6.09-0.99=39.28+2.98=
一、口算。
6+0.2=2.8+9.6=12.6-5=0.62-0.15=
8.6-0.2=5.6+0.8=7.2+2=0.8+0.24=
7.2+0.7=7.7+1.3=61.7-5=0.9-0.33=
3.3+0.5=9.5-2.3=7.6+0.2=0.98+0.33=
8+0.9=6.6+7.6=45.9+5=0.89-0.15=
二、笔算。
5.99+0.92=10.87-6.75=9.8-6.93=69+31.9=
9.42-3.68=61.65+8.11=1.7+0.83=42.6-6.22=
8.97-0.15=74.64-1.15=7.72+6.98=61.5-33.5=
8.03-6.72=88.34+4.24=2.9+0.53=59.39+5.89=
一、口算。
1.3-0.3=3.8+3.8=34.4+3=0.8-0.44=
5.6+0.7=5.2-1.7=6.5+1.8=0.82-0.02=
6.4-0.2=4.9+8.7=20.3+1=0.78+0.43=
1.1-0.4=8.6-2.4=6.5+3.3=0.51+0.32=
7.8-0.9=4.3+8=36.7+3=0.95+0.08=
二、笔算。
2.65-0.68=11.55-4.08=7.6-3.6=55.2+40.2=
7.17-4.77=98.63+8=9.76-0.35=99.21+1.26=
7.53-0.55=69.28+9.96=8.28-6.63=91.6-8.9=
9.03-5.53=90.48-8.48=7.93+0.68=54.46-1.48=
一、口算。
6.5-0.6=9.3+4.8=42.9+2=0.56-0.38=
2.1+0.6=7.2+4.1=7.3+2.9=0.85+0.24=
8-0.2=0.5+2=97.6+9=0.53-0.02=
5-0.7=9.4+4.9=6.5+3.7=0.74-0.47=
5.4+0.9=6.3+0.7=37.3+2=0.8+0.06=
二、笔算。
5.12+0.43=67.07+5.66=7.57+5.98=71.5-21.8=
9.08+3.41=52.75+4.58=5.7-0.98=38.67+4.13=
7.12+0.21=51.91-8.67=9.41+4.57=81.6+45.6=
8.51+6.71=11.57+2.84=9.73+0.75=65.87+5.61=
一、口算。
8.8+0.7=9.9+8.3=91.8+7=0.54-0.44=
6.7+0.6=7.9+2.4=7.6-5.5=0.72-0.41=
5.5-0.5=0.5+2.1=56.1-1=0.84-0.16=
1.3+0.8=8.7-3.5=6.6-1.6=0.83+0.48=
5.9-0.1=7.9+1.2=81.6-3=0.56+0.16=
二、笔算。
7.62-0.79=80.71-3.35=8.7-1.21=69.5-19=
8.96+3.02=33.05+3.79=1.38+0.72=63.14+8.12=
1.73+0.63=77.73-9.69=9.56+4.67=60.1+40.8=
9.1+5.71=46.89-4.55=9.92-0.58=81.58+6.12=
一、口算。
1.5-0.9=9+0.3=55.9-3=0.91+0.25=
1.4+0.7=6.3+3.6=8.4+2.4=0.7-0.26=
8.1-0.8=3.6+3=16.3+7=0.69-0.07=
6.7+0.8=9.8+2.7=7.4+4.8=0.85+0.35=
6.2+0.3=2.3+9=44.3+5=0.61-0.03=
二、笔算。
7.28-0.9=16.73+9.88=9.93-3.86=95.2-9.3=
9.09+5.89=98.57+5.41=4.85+0.55=87.88+1.87=
9.83+0.57=22.84-8.94=9.23+4.93=71+39.5=
8.54-2.16=36.92+3.33=3.64-0.36=64.6+4.69=
一、口算。
1.7+0.3=2.8+0.1=77.6-8=0.67+0.31=
1.3+0.1=5.8-3.8=7.9+4.9=0.66+0.32=
4.7-0.8=9.2+8.3=20.3-5=0.79+0.05=
7.7+0.4=7.3+4.5=9.3+3.4=0.99-0.15=
7.5-0.8=8.2+8.5=61.5+5=0.81-0.31=
二、笔算。
1.65-0.6=41.06+3.62=8.75-4.05=57.8+44=
7.08+6.6=56.9+9.69=9.02-0.86=57.78-2.12=
7.92-0.19=37.15-1.27=8+4.58=93.9+21.5=
7.1-5.63=84.2-3.16=2.89+0.4=30+6.06=
一、口算。
1.7-0.5=9.3+5=11.7-3=0.7+0.13=
8.1-0.8=9.2+1=9.6-1.7=0.58-0.09=
2.7+0.3=6.4+6.6=91.1-7=0.68+0.24=
4.7-0.2=7.8-4.5=7.5-4.6=0.62-0.2=
4.7-0.7=5.7+0.6=17.1+6=0.81+0.01=
二、笔算。
7.61+0.8=97.67-9.9=8.44+4.26=89.6+8.2=
8.97+5.21=54.29+4.44=9.26+0.93=79.3+3.74=
9.65+0.74=21.98+2.03=9.42-2.59=77.7+7.5=
9.81+5.68=21.81+8.59=5.76-0.39=22.63+4.64=
一、口算。
4.7-0.1=5.5+0.6=22.9+4=0.79+0.22=
7.9+0.9=5.5+0.4=8.5-1.8=0.95+0.18=
7.1+0.3=9.5+8.8=27.3+5=0.61+0.25=
1.3-0.9=6.7+2.1=9.9+3.5=0.52+0.37=
7.3+0.5=8.6+2=51.9+3=0.77-0.16=
二、笔算。
3.28-0.49=30.08-9.59=9.48-3.68=50.8+9.3=
9.2+5.17=31.91-3.85=8.39-0.11=21.66+9.49=
1.78-0.49=59.19-7.38=9.49+3.6=97.1-11.6=
7.34+5.92=42.82-6.25=4.24+0.48=90.64-5.93=
一、口算。
4.2+0.1=2+9=83.9-7=0.68-0.07=
5.6-0.7=7.5+2.6=9.2-0.4=0.5+0.33=
3.5+0.5=8.1+6.2=43.2-2=0.74-0.07=
2.5-0.8=6.4-0.9=6.9-2.8=0.93+0.36=
3.6-0.6=6.3+7.4=29.5-2=0.73-0.3=
二、笔算。
3.72-0.2=74.77-4.98=9.02-1.58=66.1+21.6=
8.76-2.68=77.26-5.03=7.77-0.94=90.06-6.08=
8.72-0.33=30.37-1.75=7.79+4.24=59.9+9.4=
9.96+3.67=67.3+1.99=3.6+0.55=41.13+5.91=
一、口算。
4-0.6=3.8+0.1=43.3-9=0.55-0.45=
7.1-0.4=5-1=6.9+5.3=0.88+0.19=
4.7+0.5=9+9.9=62.9-2=0.52-0.12=
3.7-0.5=9.4-3.5=9.5+0.3=0.96-0.16=
1.3+0.1=2.4+8.9=66.3-2=0.68-0.39=
二、笔算。
6.15-0.9=84.76-6.72=9.29+6.86=58+33=
9.16+3.76=61.28+5.94=2.23-0.93=66.79-7.72=
7.69+0.67=57.16+2.46=7.13-2.9=58.3+28.1=
9.8+3.33=71.03+4.37=3.43-0.02=54.75-1.35=
一、口算。
8.9+0.3=1+1.8=45.8+4=0.78-0.44=
6.7-0.7=5.6-4.5=9.9-2.9=0.59-0.3=
8.6+0.2=6.9+6.7=79.8+2=0.8-0.27=
7.7+0.5=8.8-1.8=7.7+3.4=0.95-0.09=
8.9-0.2=8+8.1=62.8-4=0.76+0.05=
二、笔算。
3.89+0.3=93.41-1.23=7.8-3.32=75.4-6.4=
7.25-6.17=13.89+8.57=5.45+0.18=77.88+5.8=
8.32+0.43=86.15-3.34=8.73+1.27=85.3+39.9=
8.26-2.77=34.77+2.81=7.87-0.44=31.79-3.67=
一、口算。
8.8+0.8=1.8+7.4=79.7+6=0.54-0.07=
5.7+0.7=8.4+1.6=7-1.2=0.55+0.11=
7.3+0.9=2.2+8.8=73.8+6=0.84+0.28=
4.4-0.2=6.3-0.6=7.9+3.3=0.76-0.48=
6.5+0.4=4.7+2=46.4-1=0.99+0.32=
二、笔算。
1.58-0.62=94.54-2.44=7.72-4.4=74.9+9.7=
9.22+5.99=85.72+4.48=9.14-0.73=57.98+7.24=
7.78-0.7=79.8+9.65=9.25+2.3=85.2-19.1=
9.72+3.9=47.36+4.04=4.13-0.18=84.32-2.97=
一、口算。
7.7-0.7=4.7+7.4=61.1+2=0.72+0.04=
6.8+0.9=9.7+0.3=6.1-1=0.65-0.11=
4.7-0.3=8.3+1.7=76.4-7=0.6+0.05=
8.4-0.4=6.3-1=8.9+1=0.8-0.4=
4.7+0.7=0.9+3.7=87.8+7=0.87-0.05=
二、笔算。
7.73+0.93=42.9-8.76=8.16+2.63=74-6.6=
9.3+3.07=16.76+5.07=4.54-0.63=11.63-2.11=
4.52+0.83=80.44+8.96=9.29-4.03=53+25.1=
9.92-6.94=78.82-3.44=4.58+0.24=65.91+5.25=
一、口算。
8.4-0.7=7.2+1.3=72.2+6=0.64+0.38=
5.9-0.4=6+2.6=8.2+0.6=0.69-0.05=
7.5-0.3=8.2+1.9=66.5+7=0.62+0.38=
5.9-0.5=9.1+3=6.2+2.1=0.91-0.22=
5.3+0.6=4.1+4.2=13.2-8=0.5+0.32=
二、笔算。
2.32+0.21=99.53-2.38=7.46-5.19=62.2-12.1=
7.67+1.11=57.2-4.3=6.53+0.89=34.81+1.36=
7.09+0.72=62.46-3.54=7.2+3.76=90+27.3=
8.37+3.96=74.23+9.23=7.76-0.14=91.85-2.72=
一、口算。
7.9-0.8=3.9+0.8=22.3+9=0.87+0.18=
2.5-0.8=6-3.8=6+5.9=0.95+0.06=
8.6+0.3=1+2.8=78.6+8=0.68+0.18=
7.1-0.7=7.3-2.1=7-1.2=0.86-0.42=
7.8-0.4=8.6+0.8=48.1+6=0.88-0.23=
二、笔算。
9.04-0.99=88.5+1.81=8.04+1.72=50.5-12.2=
8.76+2.41=59.73-8.99=9.53+0.23=11.6-5.86=
8.98+0.17=60.08-2.99=9.07-2.76=58.2-16.4=
9.31+6.68=42.26+2.26=5.93+0.32=23.57-2.24=
一、口算。
7.6-0.8=0.7+2.4=47.8+9=0.67-0.24=
3.1+0.2=9.8+1.7=8.9-3.7=0.85+0.34=
1+0.7=1.9+0.3=45.4+3=0.98-0.3=
2.5+0.2=5.7+2.7=6.3-4.2=0.64-0.49=
1.3+0.5=9.5+7.6=58.8-4=0.88+0.02=
二、笔算。
7.68-0.83=84.29+6.25=8.91-4.53=81.4-18.6=
7.52+3.4=89.43+4.34=8.21+0.25=48.57+4.39=
2.02+0.72=42.87+7.49=9.16+5.75=80.9-16.3=
9.77-4.14=32.53-7.78=3.65+0.16=89.08+1.31=
一、口算。
7.9-0.6=0.2+6.6=61.2+5=0.94-0.05=
7.4+0.5=6.4-3.8=6.8-5.1=0.85-0.2=
5.7-0.9=2.8+7.4=88.9+7=0.62-0.03=
2.4-0.7=8-4.7=6.2+5.2=0.88-0.18=
8.1+0.1=2.2+6.2=65.1-1=0.82-0.43=
二、笔算。
5.18-0.92=74.69+8.37=9.27+4.06=95.2-29.7=
7.02+4.8=34.55+1.7=3.41+0.51=63.52+5.34=
5.49+0.03=23.87-3.72=9.67+3.35=63.1-45.1=
9.53+1.16=36.09+7.03=2.66-0.02=31.06-1.11=
一、口算。
3.2-0.7=0.3+3.3=93.6+3=0.83-0.01=
3.9+0.6=6.6-2.5=9.8+0.1=0.63-0.01=
8.6-0.9=4.9+0.4=42.6-1=0.65-0.41=
6+0.7=7.6+3.9=6.3+0.3=0.64+0.45=
2.5-0.6=2.4+6.1=43.9-6=0.99+0.03=
二、笔算。
5.62+0.81=27.78-1.03=8.82+3.33=72.5+13.9=
9.39-3.53=16.81-5.61=1.67-0.11=32.4-9.88=
7.2+0.26=36.84-9.28=7.14+1.55=89.2+36.9=
8.27+2.53=81.72-1.85=6.04+0.97=96.84+5.38=
一、口算。
6.3+0.8=6.4+3.6=92.6-2=0.69-0.23=
5.6-0.6=6+1.5=7.6-4.5=0.61-0.08=
6.2+0.2=3+6.7=73.4-9=0.9+0.02=
2.8-0.6=7.3-0.2=9.2-2.6=0.9-0.42=
7.2+0.8=3.9+7.7=34.4+5=0.52-0.15=
二、笔算。
7.59-0.23=15.8-3.9=8.41-3.08=99.6+41.4=
9.48+5.38=35.5-7.18=4.72+0.33=58.49-4.11=
1.46+0.09=26.24-1.79=7.3-2.08=53.7+20.6=
8.82+5.09=40.97-5.17=2.06-0.28=83.25-6.19=
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