四年级数学下册小数加减法练习题精选64.docx
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四年级数学下册小数加减法练习题精选64.docx
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四年级数学下册小数加减法练习题精选64
一、口算。
4.2+0.6=6.8+5=92.5-8=0.54-0.22=
6.2+0.8=6.8-2.6=8.2+2.5=0.55+0.09=
4.7-0.5=0.9+6=89.4-5=0.54+0.44=
6.2+0.2=6.7-3.1=6.3+3.1=0.8+0.16=
8.5+0.8=7.3+8.1=32.1-6=0.74+0.08=
二、笔算。
4.63-0.7=12.43-9.53=9.99+1.29=78.3-46.1=
7.3+2.73=33.32-7.8=4.47+0.07=76+5.33=
5.94-0.96=34.18-8.07=9.26+1.94=91.2+33.2=
8.24+1.65=99.87+4.48=4.79-0.28=50.03-9.96=
一、口算。
3+0.6=8.3+1.9=77.3+6=0.5+0.1=
7.7-0.2=5.5+3.7=9.5+5.6=0.59+0.02=
4.2-0.3=4.1+9.5=50.1+6=0.58-0.42=
7.6-0.4=6+4.2=9.3+4.3=0.86+0.06=
7.7-0.8=6.3+9=63.1-6=0.89-0.43=
二、笔算。
7.41-0.59=75.59-7.93=7.16-3.61=53.4-13.9=
7.35-3.54=30.98+9.71=6.54+0.28=64.6-4.18=
2.63+0.74=35.76-3.68=7.64+6.23=84+43.1=
7.54+5.88=24.92+5.01=7.65-0.64=83.54+5.72=
一、口算。
4.1-0.9=6.1+7=87.2+1=0.88-0.03=
5.7+0.7=8.4+0.8=7+0.1=0.91-0.17=
6.7+0.4=4.9+7.3=92.9-8=0.61+0.43=
6.7-0.6=9.3+0.5=6.2+2.7=0.96-0.36=
8+0.9=9.8+8.9=37.6+6=0.99+0.27=
二、笔算。
2.88-0.03=49.3+4.69=8.18+4.53=95.8+20.7=
7.76-5.96=34.71+5.48=7.72+0.56=60.55-3.37=
9.68-0.39=51.94+3.42=9.65+1.84=56.6-31.3=
7.14+6.67=55.4-9.73=4.16+0.94=35.43+1.15=
一、口算。
5.9+0.4=5.2+0.8=92.9+9=0.5+0.31=
2.3+0.5=6.9+4.2=9+3.7=0.7+0.13=
5.3-0.3=3.4+0.2=53.6+2=0.91+0.47=
2.3-0.8=5.7-1.4=7.2+0.1=0.9+0.48=
2.7-0.4=0.4+1.3=41.4-4=0.62+0.2=
二、笔算。
3.49+0.13=16.03-1.02=7.07-3.57=77.4-14.8=
7.87+2.41=29.03-7.78=3.54-0.46=45.03+3.38=
5.32+0.42=72.46-2.71=8.61-2.22=55.7+9.4=
7.93+4.53=30.78+3.81=5.14+0.75=77.74-5.17=
一、口算。
7.6-0.9=2.2+0.7=72.9-1=0.89-0.12=
2.1+0.9=8.9+0.7=9.3+0.2=0.66+0.28=
6.1+0.9=9.1+3.6=27.3-9=0.52-0.39=
8.8+0.6=9.6+4.6=6.6-3.8=0.89-0.1=
4.4+0.3=1.5+6.9=69.3-2=0.77-0.44=
二、笔算。
3.99+0.07=71.73-1.7=9.46+3.69=89.7+30.8=
7+4.32=34.25+6.03=7.26+0.18=59.67+6.99=
2.39-0.33=83.57-5.75=9.46-2.22=93.6-6.5=
7.58+2.61=96.93-4.24=1.67+0.87=47.41-1.44=
一、口算。
3+0.6=6.2+4.5=42.7-7=0.9-0.28=
2.6+0.8=5.3+0.8=7.8+5.3=0.82+0.37=
5-0.1=4+6.1=85.8-9=0.61-0.13=
2.6-0.3=5.2+4.3=8.9-4=0.66-0.43=
3.4+0.9=8.7+9=61.9-1=0.76-0.23=
二、笔算。
1.4-0.47=57.71-4.93=9.93+6.47=91.6-12.1=
8.92-5.79=89.76-5.76=6.07+0.26=89.93-1.74=
1.68+0.54=78.24-8.49=8.59-2.53=95.5+16.2=
9.23+4.1=76.5+9.59=5.61-0.14=82.34+1.09=
一、口算。
7.2-0.3=7.7+0.5=51.6+9=0.96+0.3=
3.8-0.6=9.2-3.6=7.8-1.2=0.61-0.29=
6.1-0.4=3.8+4.5=75.2-1=0.85+0.15=
5.8-0.3=6.4-3.6=7.1-2.9=0.62-0.3=
3.4+0.7=0.8+6.7=86.1-1=0.65-0.24=
二、笔算。
2.48-0.98=51.49+3.61=7.65+2.68=65.4+13.1=
8.92-6.98=22.1+1.35=6.76-0.15=58.07-2.91=
7.32-0.59=94.25-3.61=9.51+4.19=71.9-12.8=
9.74+1.14=42.46-3.03=2.57-0.68=21.41+8.35=
一、口算。
6.2-0.9=3.2+5.8=71.5+6=0.75+0.07=
3.4+0.4=5.5+4.3=6.3+2.5=0.94-0.28=
5.9+0.5=3.2+8.5=35.5+3=0.61-0.05=
4.9-0.1=7.5+3.5=8.2+5.7=0.52+0.01=
3.9+0.4=6+3.4=26.9-5=0.79-0.28=
二、笔算。
1.61+0.77=21.39+8.95=8.86+5.38=70.9-35.9=
8.46-6.77=54.6+3.74=7.71-0.34=70.83-5.77=
6.75-0.32=10.54+2.38=7.82-6.55=55.4-30.2=
8.89+4.88=70.5-1.2=1.04+0.67=70.7-3.84=
一、口算。
1.8+0.7=9.2+7=62.6-4=0.77+0.19=
2.7+0.4=9.9+4.9=6.9+2.7=0.74-0.13=
1.4-0.9=3.7+8.3=74.8-3=0.86-0.14=
5.5+0.9=5.2+4.3=9.2+4.3=0.53-0.29=
6.3-0.3=9.4+0.9=66.3-1=0.58-0.12=
二、笔算。
9.14-0.92=42.07+8.86=7.31-5.92=69+42.6=
7.79+5.55=33.23-3.36=3.35+0.65=95.65-3.08=
4.78-0.06=81.66+3.82=8.34-2.78=69.5-8.2=
8.42-4.84=94.38-7.41=2.57+0.01=15.62+1.72=
一、口算。
2.5+0.4=0.4+5.7=63.2-2=0.63-0.23=
7.1+0.2=7+2.4=9.1+2.3=0.56-0.01=
1.5-0.2=6.6+9.7=27.7-3=0.6+0.47=
5.6-0.6=7-2.6=8.3-2.3=0.81+0.22=
7.6-0.9=7.9+1.3=74.4-4=0.91+0.43=
二、笔算。
6.26-0.14=83.97+4.41=9.63-1.96=65.5+24.9=
9.72-4.81=48.06+8.57=6.4-0.04=69.11-3.63=
6.11+0.38=26.18-8.8=8.49+2.71=52.1-26.2=
7.28-4.98=34.43+2.86=1.6+0.32=60.85+8.72=
一、口算。
4.5-0.4=3.9+9.7=80.3+7=0.86-0.03=
8.4+0.2=7.5+1.6=7.1-1.1=0.78+0.19=
7.5+0.1=2+3.7=65.2-6=0.92+0.47=
1.6-0.8=5.3+3.2=6.2+5.2=0.92-0.48=
7.1+0.8=3.9+0.6=72.2-7=0.67-0.15=
二、笔算。
9.07-0.57=84.72+5.88=8.86-1.68=98.8-13.6=
7.75-6.74=48.05-2.07=2.42+0.46=23.95-9.61=
5.62+0.8=46.82+4.6=8.04-6.58=92-15.6=
7.03+6.4=93.83+5.91=6.52-0.23=22.61+1.07=
一、口算。
5.8-0.3=0.7+9.7=78.5-6=0.58+0.29=
7.7-0.6=5.4+2.5=9.2+3.1=0.61+0.26=
6.8+0.5=5.8+9.5=24.7+3=0.7+0.28=
9+0.7=5.9-3.8=9.3+5.2=0.86-0.43=
6.9+0.3=6+3.9=45.4+5=0.63-0.06=
二、笔算。
1.65-0.61=83.48-2.74=9.02+1.21=87-27.6=
8.6-2.1=87.97-3.4=3.31-0.36=25.4+4.7=
4.67-0.64=20.33-9.31=7.75+4.52=56.9+38.4=
9.43+5.58=51.22-7.25=6.83-0.19=29.1+3.68=
一、口算。
1.2+0.2=1.8+0.8=66.2+7=0.91+0.49=
2.8+0.3=7.6+1=8.5-3=0.71+0.02=
5.2+0.1=5.8+3.9=91.7-6=0.64+0.43=
4.9+0.8=8.3+2.8=8.3+4.5=0.91-0.45=
3.6+0.3=0.2+9.6=42.7-9=0.89+0.42=
二、笔算。
3.13+0.55=91.91+7.8=9.33+6.63=68.3-7.5=
9.51+4.96=95.12+2.84=7.22+0.05=69.27+9.09=
7.92+0.74=92.2+5.96=7.25-1.12=97.4+28.2=
7.18+3.84=28.27-5.59=8.09+0.49=44.78+6.75=
一、口算。
2.2+0.1=1+0.8=16.2-6=0.73-0.18=
7.7+0.2=5.4+3.2=9.9-5.7=0.9-0.36=
3.6+0.2=4+3.2=53.3-3=0.63+0.49=
4.3-0.4=7.5+2.8=9.3-4.8=0.69-0.37=
3.2-0.9=8.9+7.6=46.2-5=0.9+0.28=
二、笔算。
8.09+0.07=74.13+7.52=7.64-3.32=78.5+46.1=
9.45+4.63=96.84+7.06=4.33+0.61=33.87+9.12=
1.59+0.59=15.27+1.14=8.76-6.79=99.3+34.9=
7.92+6.76=21.63+6.96=9.29+0.13=99.93-6.02=
一、口算。
3.2-0.7=7.5+9.7=19.6-8=0.74+0.34=
4.7+0.2=8.1+2.4=6.1+4.2=0.66+0.45=
7.1+0.8=4.7+0.5=72.2-9=0.76+0.43=
7.4+0.7=7.8-1.8=9+1.4=0.61+0.21=
5.2-0.8=1.5+2.5=57.5+8=0.99-0.38=
二、笔算。
7.86-0.3=92.6-7.17=8.8-1.2=92.3-2=
8.37+5.85=67.89+9.79=5.62+0.39=81.66+3.59=
5.51-0.21=56.56+4.69=8.38+3.79=70.6+21.5=
9.94+3.86=44.68+4.45=6.65-0.33=44.88+1.31=
一、口算。
7.9-0.5=1+6.7=94.3+1=0.59-0.11=
7.3+0.7=6.4+3.7=8.8-1.9=0.98+0.11=
3.4+0.1=0.2+8.4=69.9+7=0.79-0.1=
8.9-0.5=6.5-4.5=9.2+1.6=0.67+0.31=
3.6+0.6=2.1+8.3=44.3-2=0.76-0.39=
二、笔算。
8.11+0.56=84.27-2.24=8.17-5.92=87.9+28.9=
9.17+3.32=91.43-5.84=8.89+0.69=20.97+8.89=
7.35-0.22=46.31+2.85=7.87-3.61=50.4-26.5=
9.35+5.55=81.07-4.01=4.09+0.81=80.6-9.09=
一、口算。
5+0.5=2.2+7.6=87.1+9=0.54-0.36=
4.6+0.9=5.3+1=8.8+4.1=0.74-0.41=
7.9-0.9=9.4+9.4=83.8-5=0.82+0.27=
8.3-0.6=7.7-1.2=6.2-1.5=0.85+0.12=
5.6-0.6=6.4+8.3=83.1+8=0.69+0.31=
二、笔算。
3.11-0.39=96.47+1.51=7.08-2.18=54.8-20.4=
8.16-4.87=20.42-2.03=1.59+0.22=78.81+1.72=
4.58+0.76=30.37-1.56=8.02-6.4=63.6+35.1=
8.07-6.72=34.3-8.58=1.21-0.14=17.94+3.71=
一、口算。
7-0.8=4.3+4.6=43.6-2=0.76-0.41=
5.3-0.5=9-2.2=7.9+1.6=0.78-0.24=
3.1+0.8=2+3.9=52.5-7=0.64-0.36=
3.1-0.1=6.1+1.3=9.7-5.2=0.52-0.03=
8.9+0.9=4.1+9.1=48.8+4=0.64-0.45=
二、笔算。
7.92+0.5=11.82-1.29=9.18-6.49=87.6-10=
9.88-5.46=60.16-3.85=1.71-0.73=15.85-4.71=
6.96+0.79=15.58+8.33=7.54-4.89=84.5+31.8=
9.69-4.77=13.55+2.65=9.3+0.61=83.88-3.51=
一、口算。
8.2+0.5=9+7.9=86.9-7=0.73+0.38=
6.3-0.3=7+1.9=9-5.3=0.7+0.49=
1.6-0.5=0.6+6.3=93.3-6=0.85+0.41=
5.1+0.8=9+3=8.2+5.2=0.55+0.17=
4.1+0.2=0.5+8.8=21.2+8=0.61-0.08=
二、笔算。
5.74+0.68=94.6+8.51=7.58+5.45=94.9-31.6=
7.26+6.95=93.99-5.81=4.67+0.21=55.47-3.78=
8.61+0.06=59.2-4.44=7.34-4.3=62.1-44.2=
9.97+1.59=42.47+4.63=2-0.15=41.74-6.08=
一、口算。
8.4-0.7=2.3+2.9=37.6-1=0.71+0.31=
1.5-0.6=7.4-2.5=9.8-4.2=0.62-0.14=
4.1+0.5=9.4+5.2=61.9+5=0.65+0.49=
5.8-0.1=6.6-0.6=6.9-5.9=0.9-0.34=
3.3-0.6=2.5+5.9=66.7+6=0.53+0.09=
二、笔算。
7.48+0.07=58.52+1.05=8.67-1.67=76.1+30.2=
7.34-6.36=62.68+3.83=7.91+0.87=81.92+9.6=
5.84-0.52=55.94-7.39=7.25+1.05=78.6-35.2=
7.14+2.9=30.28+8.87=2.07-0.32=60.0
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