四年级数学下册小数加减法练习题精选108.docx
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四年级数学下册小数加减法练习题精选108.docx
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四年级数学下册小数加减法练习题精选108
一、口算。
2.1-0.7=5.5+9.4=58.7+1=0.5-0.07=
2.9+0.1=6.3+0.8=9.4-3.2=0.56+0.09=
4.1+0.5=8.8+9.2=73.8-8=0.59-0.15=
2.8-0.2=8.1+4.1=8.2-0.3=0.58-0.48=
8.2+0.1=2.6+4.8=40.3+2=0.83-0.22=
二、笔算。
8.39+0.68=75.27-3.74=9.05-3.71=65.1+36.2=
8.16-4.05=16.17+6.13=5.17+0.36=23.49-2.75=
9.72-0.19=47.12+3.18=9.23+1.2=64.4+29.8=
8.68-3.74=42.92-1.45=8.31+0.56=84.8-3.18=
一、口算。
5.7+0.9=7.1+1.6=62.3+2=0.68+0.24=
8.1-0.4=5.9+3.1=6.7-3.1=0.69-0.05=
3.4-0.4=4.9+8.9=14.1-3=0.5-0.22=
1.4-0.7=9.6+0.3=7.5+3=0.99+0.36=
1-0.4=7.5+7.6=15.9+4=0.74+0.01=
二、笔算。
4.74+0.62=68.9+1.51=9.96-1.04=84.8+31.1=
7.63-3.22=25.55+9.04=3.5-0.59=24.23-5.41=
3.73-0.06=71.46-2.69=8.76-5.58=87.4+15=
7.87+5.77=89.72+7.66=8.58-0.56=12.81-8.55=
一、口算。
8.9-0.6=5.5+1.5=79.6+3=0.94+0.47=
6.7+0.5=9.1-1.4=6.5+3=0.74-0.26=
5.8-0.7=5.7+9.8=65.8-3=0.67+0.49=
3.1-0.2=6.6+2.8=8-5=0.99-0.1=
6.7-0.6=8.5+9.7=79.3-6=0.93+0.06=
二、笔算。
3.63+0.61=91.04+8.99=8.72+3.54=80.4-3.3=
8.38-2.23=40.06-4.65=4.31+0.04=29.59+4.43=
9.46+0.14=20.85+3.67=8.32+4.73=74-36.6=
8.51-1.55=18.28-6.12=2.96+0.71=67.51-1.87=
一、口算。
3.2+0.6=2+6.4=96.5+1=0.66+0.24=
1+0.7=5.4+2.9=9.8+5=0.73+0.35=
5.6-0.7=1.6+9.8=40.6-5=0.8+0.3=
2.4-0.3=6-3.1=8.4+0.9=0.99-0.27=
3.3+0.3=5+4.1=92.9+5=0.5-0.29=
二、笔算。
1.57-0.42=84.3+1.14=9.58-6.07=50.8+18.8=
8.8+1.15=22.1+4.21=8.4+0.65=16.46+6.7=
4.5+0.91=57.61+3.01=9.13-5.51=90.7-23.2=
8.25-1.8=21.73+8.03=6+0.64=86.67-6=
一、口算。
2.6+0.4=6.4+1.8=73.5+9=0.86-0.24=
2.2-0.3=9.2-4.5=9.7-1.2=0.76-0.39=
2.6+0.7=6+2=24.2-8=0.64+0.3=
1+0.8=9-1.1=8.8-3.6=0.94+0.12=
8.3-0.2=8.9+0.4=83.9-8=0.94+0.44=
二、笔算。
2.45+0.48=44.03+5.43=9.89-3.82=60.2-24.6=
8.96-5.77=81.59+4.67=8.77+0.11=69.33-2.22=
3.54-0.82=51.69+6.87=8.78+1.67=90.2+16.5=
9.48+1.81=87.13-4.65=2.66-0.21=74.27-4.56=
一、口算。
7.3+0.5=0.2+7.4=91.9+2=0.55-0.11=
2.7+0.9=7.8+3.1=7-2.1=0.62+0.3=
1.6-0.9=9.6+8=77.4+6=0.86+0.4=
5.2+0.4=6.5+4.4=7.7-2.1=0.62-0.34=
1.3+0.9=3.4+2=28.1+4=0.61+0.25=
二、笔算。
4.77+0.22=67.79+8.64=9.37+6.87=90.9+42.5=
7.43-1.38=43.76-5.68=9.44+0.64=26.65+2.12=
7.35-0.16=86.62-2.01=8.27-3.25=64.8+48.7=
8.89-4.17=60.09+1.93=5.69+0.02=35.43-9.83=
一、口算。
4.8+0.4=1.4+9.4=82.6-1=0.82+0.35=
3-0.6=7.7+3.9=9.6-4.6=0.62-0.48=
7.8+0.8=0.9+0.4=53.8+4=0.72+0.18=
1.2-0.2=6.8+0.7=8.3-2.5=0.91-0.16=
4.9-0.7=5.8+0.5=91.5-1=0.63-0.25=
二、笔算。
7.95+0.31=60.55-5.74=9.01-2.77=60.6-6.8=
7.01+3.87=77.38+3.14=6.38-0.41=74.92+7.53=
5.51-0.56=63.35+2.66=9.76+6.33=97.8+44.8=
7.68-1.03=49.75-6.1=6.13+0.77=88.61-4.43=
一、口算。
3.3-0.8=4.6+3.3=83.1-8=0.78+0.18=
3.9-0.5=5.5+2.3=9+3.9=0.72+0.4=
4.7-0.5=5.8+4.1=99.9-5=0.63+0.05=
7.9-0.3=6.5+2.3=8.5+2.7=0.92-0.16=
7.7-0.1=3.1+7.6=72.8-8=0.52-0.41=
二、笔算。
9.99+0.58=45.99+1.97=7.38-5.98=52.9+24.7=
7.24-1.95=30.84-6.03=9.01-0.43=41.65-8.58=
3.04-0.86=89.84+8.95=9.41+3.99=57.8+26=
7.66+5.12=41.1+8.74=5.52-0.06=65.8+8.36=
一、口算。
6.9-0.8=6.7+8.2=53.5+1=0.82-0.09=
5.4-0.5=6.5-1.8=7.7-2.6=0.53-0.07=
2.7+0.5=9.8+6.3=23.5+7=0.52+0.28=
7.7+0.5=8.4+3.4=7.5-5.7=0.62+0.45=
1.2-0.8=4.5+7.6=50.4+5=0.52+0.21=
二、笔算。
6.44+0.99=39.07+9.61=9.39+6.7=51.8-31.8=
8.98+4.57=68.93-1.78=5.04-0.12=20.94+1.36=
7.38+0.38=57.02-5.6=7.76-2.7=98.5+14.1=
9.4-4.14=78.18-7.79=5.96+0.14=74.55-3.32=
一、口算。
6-0.8=5.8+1=17.8+9=0.54-0.13=
5.7-0.2=9.3-2.9=7.8+5.7=0.73+0.07=
2.2+0.5=2.6+0.9=73.9+6=0.77-0.16=
6.2-0.2=8.8+1.4=8.3+2.8=0.89+0.28=
3+0.7=6.5+9.5=34.4+3=0.61+0.38=
二、笔算。
7.98+0.61=58.47-9.73=7.53+6.14=51.6+8.3=
8.33+4.71=79.51-5.03=2.08-0.53=20.01+1.94=
7.61+0.93=27-8.62=8.64-2.02=87.3-7.4=
9.02+4.37=46.16-8.58=8.86+0.25=63.69+8.53=
一、口算。
7.3+0.9=2.7+9.3=77.2+3=0.58-0.07=
1.6+0.5=5.4-3=6.3-0.5=0.55-0.26=
7.7-0.1=8.5+6.6=17.7+4=0.71+0.22=
8.3+0.6=9.9-4.9=6.2+1.1=0.64+0.13=
1.5+0.9=1.1+8.2=63.7+1=0.8-0.22=
二、笔算。
4.04-0.98=16.69+8.33=7.32+6.52=57.5-13.3=
7.57-4=71.95-4.53=6.42-0.58=72.55-4.86=
4.88-0.14=23.23+7.14=9.33-4.92=81.8-4=
9.43-5.89=60.03-2.38=8.39+0.12=82.99-6.53=
一、口算。
8.5+0.9=5.5+0.9=33.3-5=0.58-0.41=
4.2+0.1=8.3+2.9=8.5-4.3=0.78+0.42=
2.2+0.4=0.4+7.2=12.8+7=0.72+0.15=
6.2-0.3=7.2-0.3=8.3-3.1=0.7-0.13=
7.3-0.3=4.7+9.4=42.8-4=0.57-0.31=
二、笔算。
3.95+0.06=15+7.54=9.55-5.18=60.4+1.2=
8.81-5.51=50.76+2.84=3.78+0.41=67.97+6.09=
6.6+0.5=90.89+2.07=8.44+6.03=95.4+1.1=
7.53+5.5=70.97-7.56=7.07-0.76=11.95+8.74=
一、口算。
4.1+0.3=3+1.5=66.9-5=0.62+0.27=
1.9+0.6=8.4-2.5=6.1+4.5=0.8-0.2=
2.7+0.2=4.3+8.7=71.7+7=0.91+0.23=
2.4+0.6=8.5-4.8=8.1-3.8=0.96+0.47=
1.9-0.8=5.4+3.2=28.1+6=0.83-0.17=
二、笔算。
2.85+0.5=93.16-4.96=8.67-3.3=60.2+45.5=
8-1.11=83.43+7.79=4.01-0.14=80.68+8.58=
2.58-0.85=56.34+9.7=7.46+3.67=63.1+18.9=
8.85+4.79=25.96-6.41=4.24+0.41=44.93+3.66=
一、口算。
7.5-0.4=4.3+2.5=15.7-3=0.7+0.13=
6.8-0.8=5.3+0.9=6.9+4.3=0.83+0.43=
5.1+0.2=9.7+8.8=40.9+2=0.72+0.45=
6.9-0.5=5+2=8.1-3.9=0.56+0.15=
7.7-0.9=8.9+1.3=24.2+1=0.97-0.39=
二、笔算。
4.38-0.7=47.59+6.41=9.97-4.82=90.8+42.2=
9.78-2.38=58.39-5.82=9.63-0.19=70.61-7.16=
3.32-0.84=99.55-2.39=9.9+3.92=71.1+4.8=
7.18-4.16=60.36-9.63=7.27+0.65=60.83-5.08=
一、口算。
5.8+0.5=1.4+9.8=39.6-8=0.57+0.16=
2.8+0.8=5.3+1.8=8.4-0.8=0.51-0.48=
4.3-0.9=3.6+3.1=99.7+5=0.69+0.35=
1.3-0.1=9.7+2.4=9.1+2.1=0.92-0.39=
1.4-0.1=1.8+7.1=70.2-7=0.64-0.26=
二、笔算。
7.28-0.66=94.36-5.51=9.38-6.72=65.2+26.1=
7.63+4.15=86-2.63=5.52-0.79=37.73-4.68=
4.66-0.49=70.3+7.05=7.38+2.17=94-29.3=
9.14+5.34=72.46+6.57=2.18-0.72=97.79-7.44=
一、口算。
1.6-0.8=5.5+3.4=58.2+9=0.91-0.07=
6.3+0.9=5.2+1.7=7.3+3.4=0.65+0.24=
3.4+0.8=6.7+2.7=14.1-7=0.65-0.34=
8.2-0.7=5.9-0.7=8.2-0.3=0.65+0.14=
7.9-0.6=1.4+1.3=71.1-9=0.9+0.38=
二、笔算。
3.32+0.54=80.98+3=9.51-5.27=93.5-9.8=
9.73-4.65=58.52+9.87=7.73-0.06=89.48+4.74=
3.66-0.96=83.34-7.23=7.07+2.41=58.1-34.4=
7.03-1.82=86.55-4.72=4.81+0.66=26.41+4.71=
一、口算。
4.3+0.3=8.4+2.8=21.1+3=0.87+0.27=
4.6+0.7=8.5-3.6=9+0.8=0.81+0.32=
5.8-0.7=5.6+2.6=78.3-4=0.69-0.08=
6.5+0.3=5.9-4.3=9.9+3.6=0.53-0.1=
6-0.1=6.2+3.3=53.3+9=0.76-0.41=
二、笔算。
1.27+0.72=92.1-1.38=9.39-5.88=82.4+18.1=
7.77-3.33=43.37+7.14=4.32+0.03=59.73+4.89=
2.44-0.23=27.38-7.61=8.51+2.46=76.2+29.4=
7.75+1.65=15.98-7.5=7.24-0.83=10.95+1.3=
一、口算。
2.3+0.4=6.8+5.4=25.3-4=0.7-0.01=
4.1-0.3=7.2-4.1=8.4+5.1=0.52-0.17=
2.8+0.4=7.6+1.4=69.2-5=0.72+0.31=
5-0.6=6.2-3.4=8.4-1.5=0.97+0.24=
2.4-0.7=2.7+3.4=26.2-4=0.62-0.31=
二、笔算。
3.83-0.95=25.44+5.57=9.27-3.68=69.7+39.5=
9.37-3.66=23.76+8.83=9.98-0.63=66.38+4.02=
1.36-0.97=35.12-9.39=8.45+2.25=97.8-45.9=
9.87-4.14=75.29-4.16=7.8-0.48=41.46-1.28=
一、口算。
3.3+0.8=9+7.4=15.6+6=0.82+0.18=
8.4-0.9=7.3-3.7=9.6+2.4=0.51+0.24=
8.9-0.3=0.4+2.1=27.9-2=0.81-0.42=
1.5-0.9=5.6-1=9.4+5.6=0.81-0.11=
9-0.7=0.2+6.8=46.6-9=0.64+0.21=
二、笔算。
3.5+0.13=96.54+6.67=8.7-4.28=64.4-36=
9.06+6.08=29.29-7.55=7.48+0.88=29.2+5.45=
2.46+0.31=80.46+2.78=7.18+2.46=63.2+12.4=
9.59+4.24=46.72-6.74=7.97+0.48=23.91-9.56=
一、口算。
3.9+0.6=1.9+3.6=63.8-1=0.94+0.21=
5.1+0.9=6.8+1.4=7.8-3.3=0.7+0.13=
1.2-0.6=3.7+2.4=99.5-7=0.89-0.14=
4.6-0.2=5.9+2.8=8.2-5.4=0.5+0.41=
2.7+0.3=3.8+1.4=87.2+4=0.93-0.24=
二、笔算。
1.62-0.06=25.84-7.35=7.47+4.25=53.5-6.4=
7.53+5.5=82+1.72=7.72+0.36=98.26+1.72=
2.92+0.98=91.32-9.97=8.3-3.53=89-18.9=
8.48+1.12=16.91+4.69=8.62-0.58=50.16+7.51=
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