四年级数学下册小数加减法练习题精选79.docx
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四年级数学下册小数加减法练习题精选79.docx
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四年级数学下册小数加减法练习题精选79
一、口算。
6.8+0.8=6.7+9.3=68.2+7=0.91-0.18=
3.5+0.8=9.6+1.3=7.2+1.7=0.51-0.3=
8+0.5=8.5+7.5=57.2+4=0.53-0.24=
4.5-0.1=5.3-1.5=8.8+0.9=0.6-0.24=
2.8+0.1=3.2+1.6=65.3+9=0.73-0.13=
二、笔算。
5.97+0.92=10.94-9.33=7.85-2.98=61.4+38.8=
9.93+1.75=87.12+3.75=3.45+0.44=71.53-5.41=
9.53-0.13=53.93-6.28=7.33-5.75=62.9+12.8=
8.7-4.23=86.18-6.92=9.62-0.28=92.15-1.72=
一、口算。
8.6-0.3=9.2+0.1=89.1+1=0.56-0.01=
6+0.2=8.7-2.9=8-4.2=0.63-0.34=
7-0.2=0.9+5.1=57.2+7=0.87+0.04=
2+0.7=9+3.8=9.9+4=0.77-0.3=
8.1-0.6=2.8+3.2=67.7+1=0.82-0.47=
二、笔算。
8.27-0.71=32.16+1.64=7.37-4.82=75.6-38.2=
8.48-2.84=82.98-5.89=9.78+0.17=57.5+1.7=
4.14+0.06=54.73-8.96=8.73+4.8=52.1+13.7=
8.81+5.64=47.87+8.85=6.67+0.2=81.1-8.03=
一、口算。
1.8+0.5=9.7+9.5=84.9+3=0.59+0.18=
6.5+0.8=5.1-4.6=8.5-3=0.83+0.25=
1.4+0.9=0.6+6.7=13.1-4=0.51+0.41=
3.1-0.1=9.1-1.6=7.4+0.5=0.83-0.19=
2.3+0.3=8.8+5.9=20.1+4=0.9-0.02=
二、笔算。
6.17+0.29=25.51-6.26=7.43+4=69.3+30.3=
9.34-1.97=45.79+8.64=2.82+0.55=45.77-3.89=
6.47-0.31=48.48+4.69=7.63+2.26=78+44.5=
7.32-6.88=36-7.62=6.63+0.85=38.63+3.5=
一、口算。
8.2-0.7=6.9+2.4=39.2+3=0.69-0.33=
7.9-0.5=8.9+4.2=7-5.6=0.73-0.35=
2.2+0.4=0.5+4=39.3-5=0.66+0.38=
8+0.6=6.5-2.2=7.4+2.2=0.86+0.11=
1.7+0.5=4.7+1.2=18.9+6=0.56-0.39=
二、笔算。
6.31-0.77=46.18-3.12=8.42-4.7=75.2-37.3=
9.19-3.96=62.74-7.04=6.95-0.77=65.38+1.74=
8.57-0.54=68.14+5.83=8.43+4.19=65.2-1.8=
9.89+1.16=62+5.36=4.23-0.23=31.22-6.53=
一、口算。
3.6-0.6=2.9+0.9=64.1+7=0.95-0.4=
5+0.1=7.5-1.9=6.3-4.8=0.57-0.48=
7.9+0.5=6+8.6=50.7+4=0.58+0.35=
1.2-0.8=9.3+0.2=9.7+1=0.76+0.14=
5.8-0.6=3.7+2.5=86.9-8=0.92+0.01=
二、笔算。
2.09+0.86=91.3+4.49=7.98+4.44=88.2-35.1=
9.27+5.81=18.92-7.63=4.88-0.61=72.72-3.87=
2.63-0.68=57.32-5.44=7.65-6.95=69-35.5=
9.87-6.87=57.26-8.91=4.73-0.84=74.85-7.5=
一、口算。
3.5+0.6=5+5.1=56.6-8=0.72+0.32=
6.7-0.4=5.6-0.8=6.9+3.4=0.62+0.48=
4.9-0.1=3.1+6.8=11.4+8=0.78+0.16=
1.1-0.2=9.3+3.9=8.6+2.6=0.83-0.11=
1.1+0.6=6.8+3.6=50.7-4=0.7-0.09=
二、笔算。
9.9-0.59=98.04-9.41=9.35-2.62=65.7+9.6=
9.29-5.18=66.91+5.51=5.43+0.8=42.33-9.12=
1.53+0.15=78.69+3.49=8.15-3.39=55.6+18.2=
9.8+2.73=81.46-7.62=5.01+0.26=40.56-8.89=
一、口算。
9+0.1=3.9+5.3=78.2-7=0.96-0.08=
7.1+0.7=6+3.6=8.3+2.4=0.88-0.33=
8.2+0.2=9.7+5.2=32.5-5=0.81+0.06=
2-0.7=5.9-2.1=7.6-5.3=0.71+0.31=
7-0.8=0.2+4.5=10.8+2=0.66+0.42=
二、笔算。
5.16+0.39=16.43+3.62=8.84-1.02=61.7+36.4=
9.63+6.73=38.7-6.37=5.7-0.79=37.12-1.94=
8.08+0.65=64.73+5.52=7.95-2.2=76.8-24.6=
7.57-4.56=66.28+5.69=1.25+0.23=82.97+2.96=
一、口算。
3.3+0.6=5+5.1=18.9-8=0.96+0.23=
4.5+0.5=5.8-0.1=6.2-4.6=0.83-0.3=
2+0.9=7.9+8.2=11.4+8=0.89+0.03=
6.9+0.9=6.3+0.3=6-3.4=0.99+0.12=
1.8-0.2=6.7+1.4=52.2+1=0.9-0.47=
二、笔算。
1.17+0.59=33.12+9.12=7.32+2.12=88.9+3.8=
8.24+6.54=33.5-8.35=3.05-0.34=23.98+5.85=
5.84+0.23=12.24+1.51=9.73+5.94=60.3+40.3=
8.6+1.36=67.93+8.37=2.34+0.2=53.65-1.79=
一、口算。
5.1-0.8=3.6+6.5=70.9-1=0.71-0.2=
3.9-0.8=6.8+3.2=9.8+0.6=0.81+0.09=
1.1+0.8=5.3+8.2=43.9-4=0.79+0.39=
7.6-0.8=5.2+2=7.4+1.4=0.89-0.34=
3.1+0.9=6.5+8.5=14.6-8=0.5-0.24=
二、笔算。
3.25-0.96=71.97+6.5=9.19-3.22=84.5-27.5=
8.04+3.05=67.71-4.05=9.47-0.53=10.42+3.82=
7.08+0.7=60.08-1.98=8.81-3.31=79.2+13=
7.71-2.62=20.57+9.33=1.28-0.71=54.57+3.03=
一、口算。
1.6+0.6=8.9+2.9=15.7-1=0.99+0.18=
1.9-0.8=8-1.7=9.2-0.6=0.65+0.18=
6.3-0.1=7+8.8=63.6+5=0.64+0.13=
6.7-0.3=7.8-2.9=6.9+5.5=0.63-0.46=
1.9-0.8=3.3+2.2=17.7+2=0.88-0.43=
二、笔算。
5.35-0.77=35.4-7.99=8.4+3.5=56.4+29.6=
8.28-3.39=88.47-2.99=1.82+0.07=71.95-7.86=
7.82+0.7=72.06+6.2=8.35+2.82=65.2+48.8=
7.85-5.98=91.37-1.33=4.94-0.43=90.52+1.29=
一、口算。
1.5-0.4=9.8+2.2=87.4+1=0.52+0.36=
1.1+0.7=7.3+1.7=7.8+4.5=0.74-0.36=
3.4-0.5=8.5+5.2=71.9+1=0.93+0.32=
3+0.1=5.6-1.1=8.7-2.1=0.79+0.33=
3.2-0.1=3.6+1.3=21.2+8=0.55+0.38=
二、笔算。
8.89+0.07=79.29-6.32=7.46-3.55=94.7+5.9=
7.38+5.31=91.66+3.76=3.51-0.21=32.02+4.08=
5.11-0.31=95.88-8.13=7.91+6.34=95.9+15.4=
8.33+2.9=23.13-3.64=9.36+0.22=85.7-8.04=
一、口算。
7.3-0.9=8.8+9.4=66.8+4=0.81-0.38=
2.9-0.3=8.2+4.8=9.4+2.4=0.8+0.01=
3.2+0.4=8.5+6.7=42.9-2=0.81+0.11=
3.7-0.8=7+3.8=9.5+0.4=0.53-0.23=
7.2+0.6=1.5+6.2=21.1+7=0.59+0.22=
二、笔算。
4.96+0.23=39.88-4.71=9.75+3.41=54.1-15.7=
8.91+3.52=87.19+6.26=5.5+0.49=64.86+7.49=
5.95-0.26=11.84+8.8=8.08+1.4=74.3-21.8=
8.32-4.92=72.94+1=2.89-0.13=73.23+6.45=
一、口算。
5.2+0.4=6.7+0.5=87.6+6=0.8-0.35=
2.7+0.7=7.6+3.4=7.1+0.1=0.94+0.29=
2.4+0.2=4.1+4.5=12.3+8=0.74-0.31=
3.4-0.7=7.2-3=8.4-1.8=0.8-0.21=
7.9-0.6=1.6+4.6=51.7+6=0.57+0.39=
二、笔算。
4.74-0.51=31.68+7.47=8.94-6.43=84.1-42.9=
7.75-4.73=66.13-9.58=9.84+0.03=92.43-3.88=
7.26-0.15=90.32+5.7=7.74+5.55=70.4+24.2=
8.03-6.87=79.46+6.19=3.86+0.6=93.45-5.85=
一、口算。
8.4+0.3=4.4+8.7=12.6+3=0.71-0.27=
4.8-0.9=5.8-4.6=9.7-1.5=0.6-0.22=
2.8+0.7=0.8+4.5=14.5+3=0.56-0.13=
4.5-0.7=8.9-2.2=7.6-5.8=0.51+0.3=
1.3+0.7=8.5+6.3=61.2-7=0.52-0.13=
二、笔算。
7.85-0.28=19.36-5.44=7.73+4.44=51.8+22.7=
9.13+6.73=37.71+4.82=3.74-0.42=79.27+3.57=
5.44-0.23=84.57+5.18=9.95-5.45=57.1-16.3=
8.47-6.77=96.66-2.04=5.15-0.5=91.88+5.28=
一、口算。
6.3-0.7=0.4+3.2=36.6+2=0.98-0.14=
2.5+0.7=9.5+0.5=9.3-4=0.75-0.09=
3.7+0.4=0.3+1.4=64.6+2=0.81-0.17=
8.1-0.3=6.5-0.4=7-1.1=0.79+0.03=
1.6+0.3=1.5+8.4=60.5+1=0.76+0.32=
二、笔算。
9.56-0.25=91.39+8.34=7.88-6.62=52.7+5.7=
9.86+4.69=85.68+7.56=2.9+0.48=43.81-7.9=
6.93-0.26=77.8-2.54=8.5+3.4=99.1+1=
8.64+6.98=88.75+4.47=6.14+0.48=88.72-1.01=
一、口算。
7.6+0.3=5.7+2.7=32.5+8=0.53-0.19=
8.6+0.4=7.3+2.3=6.8-3.4=0.61-0.44=
2.8+0.7=5.3+0.1=65.5+5=0.94-0.3=
3.2-0.6=7-2.3=6.2+4.3=0.68-0.4=
1.3+0.7=8.7+9.3=63.7-7=0.54-0.11=
二、笔算。
8.18-0.7=64.35+3.1=8.26+2.94=86.9-22.2=
8.87+5.85=37.83-6.17=8.24+0.89=94.13+2.43=
9.38+0.16=34.06-7.75=9.38-4.98=62.6+2.5=
7.81-6.79=71.57+1.81=2.26-0.51=16.6-4.91=
一、口算。
2.6+0.2=9.6+5.7=79.4-8=0.5-0.34=
6.5-0.8=7.4-3.6=9.2-2.9=0.83-0.26=
8.1+0.2=8.7+7.8=33.5+8=0.55-0.03=
3.6-0.1=6.8-3=8.9-3.3=0.85-0.47=
5.8+0.8=4.6+2.1=50.4-4=0.51+0.25=
二、笔算。
9.78-0.95=27.26+4.52=8.81-1.29=76.3+1.6=
9.4-1.49=94.38-6.6=4.59-0.21=28.48+3.56=
3.49+0.51=62.54-5.08=9.9+6.36=78.1-46.4=
7.22-5.76=22.17+8.05=2.35-0.04=16.17-7.31=
一、口算。
3.2-0.6=4.7+2.5=68.2-7=0.5-0.23=
4.7-0.6=6.6-1.4=8.1-4.8=0.92-0.49=
5.8+0.8=1.4+9=87.6-7=0.99-0.01=
5.2+0.8=5.2+2.7=6.7+3.4=0.67+0.45=
3.4+0.5=9.5+7=69.1-7=0.68+0.14=
二、笔算。
8.49+0.65=32.72-5.74=9.59+3.54=53.3-21.7=
9.44+5.11=88.73-6.48=6.79+0.25=19.4+4.83=
1.75-0.78=76.06+9.12=8.09+2.5=74.9+31.8=
9.51-2.22=22.68+8.2=7.42-0.56=83.6-7.67=
一、口算。
7.9+0.6=1.4+0.8=80.8-6=0.61+0.2=
1.5-0.8=6.2+3.1=6+2.4=0.57+0.4=
5.5+0.6=3.1+3.2=48.8-9=0.64+0.43=
4.2-0.8=8.5+3.1=8.4+2=0.6+0.2=
5.5-0.5=1.5+5=25.9-7=0.62+0.16=
二、笔算。
9.21-0.26=67.32-2.66=7.99+6.67=80.3+3.7=
7.64-2.73=65.01+9.14=4.32-0.37=14.35+1.29=
6.33-0.34=10.69+6.21=8.1-3.14=56.1-33.1=
8.59-1.83=91.83+2.67=2.98-0.28=83.51-7.41=
一、口算。
6.7+0.5=3.6+6.4=85.3+8=0.76-0.1=
8.7-0.2=8-3=9.4-2.8=0.95-0.05=
9-0.3=8.6+0.2=70.2-2=0.67-0.34=
4.8-0.7=9.8+1.9=8.4+3.8=0.77-0.26=
3.9+0.9=8.3+9.9=55.6-3=0.81-0.12=
二、笔算。
7.24+0.89=59.86-1.5=9.52+1.36=70.3-27.6=
9.13-3.58=52.75+5.44=4.23+0.76=44.39+6.26=
4.1+0.64=41.3+7.29=7.83-5.97=75.4+48.9=
7.55-1.94=54.41+1.61=3.41-0.33=80.1+7.42=
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