四年级数学下册小数加减法练习题精选101.docx
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四年级数学下册小数加减法练习题精选101.docx
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四年级数学下册小数加减法练习题精选101
一、口算。
7.6+0.7=2.2+8.7=29.1+5=0.53+0.32=
1.1-0.6=7.4+1.4=8.3+2.8=0.67-0.43=
2.5-0.9=9.8+3=74.7+7=0.75+0.33=
3.5-0.3=9.4-0.2=9.7-4.2=0.99+0.48=
2.7+0.2=8.2+8.9=66.4-1=0.89-0.38=
二、笔算。
6.87+0.01=74.39+9.57=9.12-5.16=50.1-30.1=
9.73+6.6=39.27-8.58=6.14-0.62=55.4-1.11=
7.06+0.63=37.95-5.84=7.23-2.89=80.4-9.5=
7.77-5.56=35.44-9.3=9.07-0.23=31.88-3.19=
一、口算。
5-0.3=2.3+4.4=10.2-2=0.95-0.13=
5.5+0.7=9.4+4.4=7.6-3.7=0.52+0.18=
1.4+0.7=1.5+2.9=27.2+8=0.58+0.31=
2.4-0.5=5.6-1.5=6.4+0.4=0.67+0.28=
3.6+0.2=2+8=60.2+3=0.56-0.22=
二、笔算。
4.68-0.49=46.24-3.05=7.65-3.39=88.9+9.6=
8.28+3.06=19.11+1.65=2.08-0.22=17.65-6.12=
8.09+0.51=84.45+1.52=9.54+4.8=52.7+9.8=
8.07-4.6=68.92-8.37=2.25+0.44=78.07-5.87=
一、口算。
6-0.6=8.9+9.9=79.2-6=0.89-0.2=
6.1-0.6=8.2+1.5=8.6+1=0.58+0.33=
8+0.3=2.3+4.2=66.1+4=0.52-0.41=
3.7-0.9=5.8-1.9=6.6+2.1=0.66-0.15=
4.5-0.1=7.3+6.8=97.1-9=0.98+0.26=
二、笔算。
9.02+0.3=41.06+3.62=9.21-3.25=64+42=
7.58-1.44=52.89-1.43=8.39+0.92=26.49-8.17=
5.56-0.31=49.53-9.38=7.48+6.3=88-5.7=
7.1-2.22=30.73-3.94=4.56-0.39=39.57-3.44=
一、口算。
4.6-0.2=5.2+6=74.2-3=0.61+0.03=
7.8+0.7=7.3+3.8=9.4-2.8=0.94+0.19=
3.3-0.5=6.7+8.5=88.6+5=0.89-0.42=
8.7+0.7=8.2+4.7=6.2-3.5=0.74-0.43=
5.8-0.8=0.8+0.5=55.3-7=0.53+0.32=
二、笔算。
8.23-0.9=25.99+1.59=9.32-1.63=90.2-4.1=
9.25+3.46=43.54-4.57=8.66-0.9=50.01+4.16=
5.45-0.21=74.89-9.32=8.1-4.15=78.3-31.8=
8.67+4.08=13.35-3.95=2.79-0.83=34.59-3.81=
一、口算。
2.2+0.3=3.9+0.4=93.4-8=0.69-0.47=
2+0.6=8.6+2.4=7.3+0.7=0.76+0.24=
1.8-0.1=5.7+2=85.7+7=0.59-0.13=
6.5+0.1=8.3+4.2=7.5+0.6=0.9+0.19=
9-0.4=0.4+1.1=49.2-4=0.76-0.14=
二、笔算。
2.49+0.35=50.21-7.45=7.69+5.79=90.3-43=
7.74-5.91=30.94+9.98=2.02-0.46=85.25+8.3=
1.99-0.64=21.66-7.23=7.51-4.98=91-24=
8.52-1.78=72.96-9.56=2.19+0.37=38.2-5.21=
一、口算。
7.1-0.4=3+5=67.8-6=0.65-0.45=
3.9+0.6=6.6+0.4=9.9-1=0.88+0.2=
2.5+0.6=2.4+7.3=10.9-3=0.84+0.49=
8.4-0.3=6.6-4.4=8.8-5.5=0.89-0.22=
8.3+0.6=6.6+7.7=83.4-4=0.5+0.34=
二、笔算。
2.16+0.28=91.09-9.45=7.17-3.27=96.6+48.1=
7.36-6.97=23.47-9.32=7.54-0.36=64.06-3.95=
3.3-0.01=16.45-5.7=8.68+3.66=96+14.1=
8+2.86=93.09-4.02=2.58+0.78=43.39-3.18=
一、口算。
2.2-0.4=3.5+8.3=90.5+2=0.91-0.14=
1.8-0.2=7.9+2.2=6.2+1.6=0.82-0.46=
5.2-0.1=4+0.9=65.9-2=0.64-0.33=
5.1+0.5=8.8-3.7=6.8-0.1=0.51-0.24=
1.6-0.8=9.9+9.4=78.3-5=0.62+0.04=
二、笔算。
2.72+0.24=13.48+2.43=7.64-4.56=86.4-23.3=
9.72+1.4=15.48-7.85=8.76+0.4=14.25+9.96=
8.46+0.56=61.93-4.04=8.04-1.98=73.8-37.5=
9.8-3.22=74.48+9.93=8.72-0.47=69.65+3.39=
一、口算。
7.4-0.2=3.5+7.6=47.8-3=0.95-0.35=
8.2-0.5=7.1+0.4=9.7-3.8=0.55-0.45=
1.4+0.1=7.4+3.1=74.8+7=0.93-0.03=
7.8-0.7=5+2.2=6.5-4.1=0.85+0.02=
6.9-0.1=9.2+8.1=70.9+8=0.85+0.18=
二、笔算。
9.78+0.38=37.97+4.3=7.73+5.63=76.9+14.7=
8.33-1.6=28.24+3.29=6.67-0.67=73.65-7.81=
3.1-0.61=81.5-1.95=8.45+1.3=65.3+21.7=
9.25+6.74=66.09+7.89=2.37+0.02=73.54+7.54=
一、口算。
8.4-0.6=5.5+0.7=60.9+2=0.57-0.43=
5.2+0.2=5.7-1.6=9.7-1.9=0.72+0.15=
3.7-0.3=1.5+7.8=61.8+3=0.84+0.09=
8.4-0.8=7.5-1.1=7.7+1=0.79+0.29=
1.5+0.1=0.2+7=22.8-7=0.72+0.32=
二、笔算。
6.19-0.96=92.77-4.43=9.75+5.74=86.6+1.1=
7.92+1.43=39.28-4=5.28-0.84=94.38+9.94=
7.02+0.64=36.98-3.6=9.36+2.95=59.2+28.4=
7.68+5.09=25.74+6.71=3.74-0.32=70.56-4.12=
一、口算。
9+0.9=0.2+9.5=98.1-8=0.66-0.12=
2.7+0.6=6.5+2.3=8.5-4.6=0.9+0.13=
1.5-0.8=9.4+1.9=90.9+8=0.89-0.34=
8.1-0.4=7.6-2.9=8.1+0.4=0.99+0.21=
1.4+0.2=5+4.7=24.5-1=0.79+0.2=
二、笔算。
4.67+0.41=86.76-3.55=7.65-5.84=86.2+19=
7.07+6.98=61.26-2.89=3.94-0.51=97.1+4.45=
1.37+0.57=19.47+1.79=9.47+6.62=81.4+26.7=
7.73+4.74=74.01+2.48=5.05-0.15=28.35+7.26=
一、口算。
6.6-0.9=4.7+3.2=16.2+7=0.97+0.18=
1.2-0.2=7.1-2.5=8.5+1=0.87-0.36=
5+0.8=7.5+7.6=68.2+8=0.93-0.36=
8.9+0.4=8.2-2.3=9.6+2.1=0.86-0.39=
3.4-0.6=7.8+0.3=85.2+8=0.54-0.2=
二、笔算。
3.95-0.75=90.03-9.74=9.98-5.43=56.1-9.7=
7.76+1.27=40.88-1.8=3.89+0.34=64.53+5.58=
2.22+0.43=98.47-6.59=7.61+5.37=72.7+8.2=
7.18-5.1=38.06-6.88=6.02+0.79=35.41-8.61=
一、口算。
8.1-0.3=0.7+7.6=64.2+5=0.86-0.03=
5.7-0.8=7.6+3.3=7.7-3.3=0.8-0.37=
2.7-0.5=1.1+7.4=74.6+9=0.87-0.46=
3.1-0.4=6.8-3.4=9.6-5.3=0.95+0.16=
3.4-0.9=0.5+5.9=70.2+8=0.87-0.22=
二、笔算。
4.72+0.82=13.13+3.41=8.75-3.53=61.4-47.4=
7.95-2.9=42.06-6.88=1.49-0.47=65.52-9.94=
1.88-0.21=79.84-6.6=7.44+3.61=76.8-9.9=
9.53+3.96=53.16-7.95=2.35+0.54=82.43-8.71=
一、口算。
2.6+0.2=3.3+5.1=46.7-2=0.61+0.46=
4-0.8=6.5+0.1=6.5+5.4=0.94-0.3=
2.8-0.8=4.8+0.7=79.8-3=0.74-0.01=
4.2+0.1=9.3+2.3=8.7-4.5=0.87+0.17=
7.8+0.8=8.4+4.2=22.4+3=0.88-0.12=
二、笔算。
1.89+0.82=29.89+8.2=8.03-4.06=72-10.9=
8.36-5.28=56.57-6.76=3.36-0.17=47.47+8.33=
8.22+0.32=25.81+8.41=9.1-6.65=99.6-16.9=
9.9-6.29=76.79-9.85=4.84-0.86=66.22-3.38=
一、口算。
2.6+0.6=3+8.5=45.8-6=0.98+0.34=
8.6-0.7=8.7-1.5=8.7-3.5=0.83-0.35=
2.7-0.7=8.4+5.6=14.8+8=0.54+0.22=
2.8-0.6=6.1+1.7=6.1-5.6=0.69+0.03=
8.7+0.7=2.3+0.7=48.1+2=0.87-0.02=
二、笔算。
1.25+0.98=70.24+9.14=8.96+1.88=88.8-34.2=
8.28+6.9=33.35-6.43=1.26+0.86=14.07-4.71=
6.95+0.68=49.79+1.53=7.53-6.48=77.6+11=
7.41+1.84=74.6+5.26=9.15+0.25=24.29+3.19=
一、口算。
5.2+0.1=5.2+8.9=79.8+1=0.75-0.25=
8.5-0.8=6.3+4=9.9-5.2=0.86+0.08=
2.6+0.6=5+2.2=19.3-5=0.93-0.31=
4.2+0.5=6.3-2.9=8.1-3.1=0.77+0.47=
5.2+0.3=4.9+5.9=25.1+9=0.53-0.38=
二、笔算。
6.87-0.38=92.08+5.47=8.91-3.25=94.4-29.1=
9.79+6.16=49.23+8.13=9.54-0.33=72.63+1.16=
2.83-0.29=55.69+9.26=9.52+3.86=93.9+35.5=
8.13-2.76=19.97-3.45=6.96+0.66=13.66+5.26=
一、口算。
5.9+0.1=1.5+8.3=30.3+4=0.86+0.02=
8.7-0.2=7.5+3=6.9-2.4=0.67-0.37=
8.8+0.7=3.5+1.8=92.2-6=0.7-0.12=
8+0.2=9.6-4.7=6.7-0.1=0.93-0.24=
5.9+0.7=6.8+2.6=85.2+7=0.86+0.24=
二、笔算。
1.77-0.82=66.55+4.69=8.88+2.81=55.8-22.5=
9.42-2.63=16.06-5.21=3.08+0.43=40.26-7.9=
2.53-0.49=25-6.08=8.26+3.95=97.6+27.4=
7.38+5.62=14.94+3.22=1.01+0.25=92.59-4.53=
一、口算。
8-0.7=6.8+0.9=51.3+1=0.73+0.1=
4.1+0.8=7.6-4.9=7.3-3.8=0.67-0.13=
3.4+0.9=7.5+9.2=23.1-9=0.96+0.28=
6.3+0.6=6.5-0.4=6+0.6=0.6-0.34=
7+0.2=4.7+5.3=32.3-1=0.95-0.31=
二、笔算。
2.73-0.9=91.86-4.55=7.23-2.07=69.7+16.3=
8.12+1.65=69.83+2.77=7.13+0.34=82.12+2.73=
7.84+0.23=90.98+5.26=9.98-6.25=62.7+46.9=
8.35-6.07=79.69+9.8=6.05-0.56=87.75-8.1=
一、口算。
1+0.7=0.4+6.2=51.6-4=0.97-0.32=
5.1+0.4=5.8-1.6=9.8-2.9=0.53-0.36=
8.3-0.3=2+9=35.3+9=0.55+0.26=
3.1-0.1=9.6+2.7=7.3-5.9=0.67-0.33=
2+0.3=5.2+1.2=97.2+1=0.83-0.18=
二、笔算。
1.59+0.79=95.74+7.37=9.25-6.55=97.1+47.3=
9.14-5.11=49.52-7.75=8.85+0.2=18.99+8.22=
6.12+0.37=28.09+5.82=9.44+5.84=81-13.7=
7.76+4.29=17.1+6.31=1.2-0.62=52.37+2.37=
一、口算。
4.6+0.3=8+1=85.6+8=0.78-0.28=
2.2+0.5=5.9-1.7=7-4.3=0.76-0.04=
7.8-0.7=7.7+6=69.3+2=0.53-0.43=
4+0.4=6.5-3.1=8.3+4.2=0.64-0.07=
1.3+0.8=1.4+2.6=63.5-3=0.56+0.36=
二、笔算。
7.23-0.43=52.56-9.9=9.92+3.21=78+41.3=
8.39-6.39=14.19-9.06=4.97+0.93=77.96-6.1=
2.79+0.78=85.51+9.11=8.55+1.01=79.6-25.9=
7.41-6.79=22.21+7.19=2.11+0.53=63.1-7.45=
一、口算。
5.2+0.1=9.9+6.6=41.6-7=0.9+0.3=
8.7-0.4=8.3-0.4=7.1+4.6=0.76+0.07=
6.5+0.8=1.6+7=55.4-3=0.67-0.24=
1.7+0.5=8.2+0.7=6.5+5.6=0.68-0.45=
8.9-0.2=2.4+4.9=71.4+4=0.81-0.18=
二、笔算。
1.43+0.93=35.37+9.62=8.1+6.78=87.1-12.1=
8.73+5.92=57.87+8.46=7.11-0.75=65.28+6.28=
4.01+0.6=55.11+7.28=8.83-4.05=64.8+36.6=
9.4-2.35=34.99+9.2=4.82-0.05=49.84+5.67=
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