四年级数学下册小数加减法练习题精选112.docx
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四年级数学下册小数加减法练习题精选112.docx
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四年级数学下册小数加减法练习题精选112
一、口算。
3.9+0.9=2.7+5.3=13.2+1=0.83+0.47=
5-0.1=5.2+1.7=9.4+1.8=0.55+0.22=
1.6+0.5=3.9+9.1=62.1+2=0.68-0.37=
6.6+0.3=5.3-0.5=9.5+5.6=0.97+0.02=
3.1-0.1=9+9.7=23.5+3=0.54+0.13=
二、笔算。
3.5+0.96=57.57-1.21=7.33-3.33=73.7+35.6=
8.87-3.28=28.07-3.91=5.66-0.68=96.55-1.21=
6.33-0.67=80.01+8.01=9.22-6.58=88.9-41.2=
9.45+1=78.63+2.58=8.4+0.51=76.65-5.53=
一、口算。
2.4-0.6=4.8+2.1=76.7+5=0.79-0.24=
2.7+0.3=9.2-0.3=8.8+5.3=0.79-0.44=
2.9-0.6=8.1+1.6=71.5+9=0.55+0.18=
8.8+0.1=9.5+0.3=8.8+5.3=0.76+0.01=
3.1+0.3=6.5+3.1=79.1+9=0.53-0.21=
二、笔算。
2.08+0.74=77.16-4.62=8.84-1.13=94.8-34=
7.38-6.88=74.38+1.29=8.47+0.62=19.8+3.3=
8.76-0.94=34.3-8.03=7.89+6.83=93-39.2=
7.36-6.13=74.98+7.2=4.72-0.58=58.49+7.61=
一、口算。
1-0.8=1.2+4.8=54.5-1=0.57-0.28=
5.8-0.7=8.5-4.2=8.6+4.5=0.61-0.33=
8.6+0.9=1.8+6.8=75.4-5=0.98+0.24=
1+0.1=8.5-2.1=8.8-4.9=0.89+0.34=
7.1+0.2=3.9+6.6=52.3-2=0.9-0.3=
二、笔算。
1-0.6=29.39-9.56=8.94-3.69=89.9-2.4=
9.71+3.67=30.39-1.32=4.16+0.72=49.61+1.2=
3.87-0.46=45.24+3.71=9.02+2.68=71.9+27.6=
7.4+2.48=19.39-9.45=9.11-0.54=23.43+9.69=
一、口算。
8.1+0.9=8.5+8.8=22.8+8=0.77-0.15=
8.3+0.9=6.7+1.6=9.7+1=0.87-0.47=
5.5+0.6=2.7+1.1=11.5+7=0.58+0.01=
2.3-0.6=7.7+0.8=9.7+2.3=0.95+0.44=
8.5+0.6=6.9+1=97.7-8=0.76-0.24=
二、笔算。
1.07-0.19=52.73-9.55=7.04+1.35=97-26.2=
8.11+3.33=51.03+9.2=1.71+0.35=26.1-9.57=
8.39+0.13=46.87-1.8=7.06-4.77=84.3-15=
8.03-6.61=70.04+8.37=1.32+0.65=55.51+2.69=
一、口算。
6.7+0.2=3.4+4.1=36.6-2=0.99+0.04=
3.6-0.6=7.2-1.5=9.7-1.1=0.51+0.26=
2.1-0.4=8.8+5.1=34.2-1=0.83+0.14=
6.7-0.1=8-4.7=7.8+2.7=0.99-0.35=
5.3-0.2=5+3.9=54.7+3=0.8+0.2=
二、笔算。
8.55-0.23=19.18-5.36=8.1+1.64=54.3+43.6=
7.92+1.87=35.85-1.26=9.64+0.76=77.73+2.74=
2.58-0.68=26.76+4.01=8.4+6.45=68.6+48.4=
7.34+5.14=29.98-3.03=6.56-0.14=15.48-5.09=
一、口算。
1.8+0.7=3.8+6.1=60.6-2=0.79-0.19=
8.9+0.5=8.9-1=9.4-2.5=0.54-0.15=
4.4+0.1=6.2+6.1=88.6+6=0.56-0.48=
4.3-0.5=7-3.5=7.4+4.5=0.69-0.34=
2.1+0.5=9.9+7.5=59.5+2=0.75+0.16=
二、笔算。
8.26+0.02=59.77+3.15=7.68-3.1=51.7-48.7=
8.79-3.63=52.69+5.31=9.53-0.52=31.74+4.98=
9.71+0.49=68.37+6.3=8.06-5.42=77.7-47.2=
9.39-1.24=58.81-8.44=7.43+0.67=81.73+2.4=
一、口算。
4.9-0.3=1+2.4=71.5-8=0.62-0.18=
1.6-0.8=9.8-4.1=9.1-5.5=0.67-0.25=
9+0.4=1.7+2.7=25.6+9=0.56+0.3=
4.4-0.8=6.2+3.6=7.3-4.5=0.7-0.35=
5.8+0.1=4.9+5.9=70.8+1=0.5+0.49=
二、笔算。
9.04-0.36=34.38-8.27=9.37+1.57=51.4-5.8=
8.81-5.42=61.17+7.62=4.8-0.95=56.87-8.86=
1.74+0.16=38.91+6.25=8.01-4.07=57.4+9.7=
9.94-1.44=22.63-3.52=8.69+0.14=20.5+4.09=
一、口算。
4.3-0.6=7.1+6.6=42.5-1=0.92-0.18=
1.6+0.2=5+4.2=8.1-0.4=0.84-0.23=
7.6+0.8=5.3+4.7=76.4-6=0.89-0.09=
6.9-0.4=9.8-0.7=9.3+3.7=0.61-0.19=
8.7-0.3=7.6+2.7=57.1+3=0.52-0.37=
二、笔算。
8.49+0.28=80.14-1.49=9.77-3.45=58-32.1=
9.5-3.34=10.9+8.63=5.4-0.22=91.18-8.13=
4.62+0.72=76.41-2.53=8.19-4.67=51.1-37.8=
7.17+4.66=42.49-7.78=1.5-0.47=78.05-3.65=
一、口算。
8.6-0.4=6.1+0.3=59.4+4=0.57+0.13=
5.2-0.4=6.2+2.1=8.4+3.7=0.59+0.39=
3.5+0.6=1.3+4.6=83.1-7=0.68-0.39=
4.7-0.1=7.2+2.5=9.9+5.8=0.61+0.1=
5.3+0.3=1.1+8.7=94.8-4=0.66+0.03=
二、笔算。
7.27+0.23=85.56-4.63=7.02-1.53=98.6-24.7=
7.26+3.65=42.83-4.61=5.79+0.93=49.42+1.15=
2.17-0.49=34.42+7.44=9.89-4.08=67.1-21=
9.91-6.99=66.43-9.03=6.69+0.62=40.73-7.79=
一、口算。
7.6+0.4=4.8+3.1=91.3+7=0.53-0.17=
6.2+0.1=8.5+3.3=7.1-1.1=0.77-0.34=
2.8-0.3=2+9=36.5-4=0.79+0.46=
4.7-0.7=7.9-1.2=8.6-5.9=0.86-0.14=
1.9+0.2=6.6+0.5=58.4-2=0.65-0.47=
二、笔算。
8.39-0.8=37.57+8.18=8.1-1.37=88-8.6=
9.67-4.57=77.64-8.51=5.23+0.86=93.54-5.21=
7.53+0.34=30.18-9.59=8.18+6.42=53.5+32.1=
7.95-3.83=65.37+2.06=4.45-0.38=62.66-3.85=
一、口算。
2.4+0.5=8+1.3=34.7-1=0.52+0.28=
6.6-0.3=8.9+3.3=8.5-4.2=0.93+0.03=
7.4-0.9=1.3+8.8=25.4+1=0.94-0.48=
4.2-0.5=5.5-1=7.4-5.4=0.86+0.11=
7.1-0.6=7.7+8=65.2-4=0.85-0.27=
二、笔算。
5.49+0.64=36.82+4.24=8.75-2.65=78.8-6.6=
8.68-4.82=79.52+7.17=3.43+0.5=72.35+2.48=
8.42-0.66=17.01-7.13=8.45-6.54=74.7+9.2=
8.92+4.81=35.92+6.67=8.92+0.47=43.43+8.61=
一、口算。
6.1+0.5=8.4+2.2=54.7-7=0.98-0.09=
5.5+0.7=7.3-1.2=6+2.3=0.6+0.23=
5.8-0.6=7+0.2=60.4+5=0.72-0.06=
4.3-0.6=7.7-0.1=6+1.1=0.9+0.42=
6.6-0.1=1.9+1.3=59.5+5=0.61-0.34=
二、笔算。
2.79+0.87=36.66+5.78=7.71-4.48=82-19.7=
9.5+6.69=93.12+9.69=9.88-0.52=74.28+5.09=
2.84-0.71=78.38-8.37=9.23+3.52=75.3+19.3=
8.2-4.66=86.8+2.85=6.32-0.16=75.95+7.96=
一、口算。
2.7+0.9=5.5+1.8=83.1-2=0.65-0.36=
6.8+0.1=5.2-2.5=9.2-2.2=0.82+0.13=
3.8+0.8=5.2+2.4=69.1-4=0.73+0.42=
5.3-0.9=6.7+1=6.5-1.2=0.86+0.41=
3.4-0.4=0.6+6.2=40.7-9=0.53-0.26=
二、笔算。
4.82-0.83=82.59+2.62=9.01+6.3=80.3-30.4=
8.61+5.79=23.89+5.93=4.51-0.08=31.75-6.03=
8.03-0.71=82.59-5.33=9.62-3.22=93.5-27=
7.39-4.72=27.56-3.13=5.24+0.09=61.59+6.11=
一、口算。
5-0.8=0.6+5.8=33.3-5=0.98-0.08=
7.2+0.3=7.8+1=7.3+2.2=0.61-0.23=
5.7+0.1=4.6+4.6=11.5+6=0.76+0.06=
2.9-0.9=7.8-1.5=9.1+4.1=0.52+0.29=
6.4-0.9=4.5+1.4=56.2+9=0.75-0.41=
二、笔算。
7.48+0.39=19.28+5.28=7.93-4.73=87.7+5.5=
9.19+2.17=57.83+1.79=5.24-0.59=25.04-5.1=
8.35-0.79=72.13+1.64=7.97-3.23=73-46.3=
9.91+4.05=81.51+4.07=7.19-0.72=97.29-4.2=
一、口算。
5.8+0.9=3.7+6.5=65.3-3=0.85+0.03=
6.9-0.5=8.6-4.8=9.7-3.6=0.54+0.35=
6.3-0.8=9.6+2.8=73.8-6=0.69+0.29=
3.1+0.2=7.3+2.3=6.5-0.4=0.97+0.06=
6.5-0.1=9.3+8.6=20.9-2=0.53-0.4=
二、笔算。
3.17-0.55=93.26-9.72=9.88-2.74=60.6-30=
8.08+3=45.06+1.98=5.55+0.39=66.84+3.52=
8.99+0.99=49.63-2.23=9.18-3.88=64.4-42.6=
8.65+5.63=15.8+7.39=5.76+0.78=66.72-3.96=
一、口算。
8.9+0.1=3.7+7.4=33.5+6=0.83+0.16=
7.6+0.2=6.9-0.7=9.8-0.1=0.82-0.45=
4.3+0.5=7.8+3=26.4-2=0.74+0.42=
2.1-0.4=6+3.4=9.6-2=0.54-0.24=
5.8-0.5=6.3+8.9=91.7+6=0.71+0.25=
二、笔算。
9.57-0.03=17.33-7.32=9.59+2.54=77.1+24.7=
9.67+6.64=36.22-4.18=5.77+0.58=53.66-6.48=
2.7-0.32=42.61+6.81=8.09+4.7=67.1-22.5=
7.69+2.31=50.21+7.55=4.97+0.76=50.16-5.62=
一、口算。
1.6-0.3=7.4+7.8=34.7-8=0.56+0.37=
5.6-0.8=8-2.6=8.9-0.3=0.93-0.32=
1.2+0.6=6.9+5=32.2-5=0.92-0.11=
1.6+0.3=6.3-0.1=7.6-1.8=0.82+0.01=
8.4-0.5=5.8+9.5=54.7-1=0.71-0.47=
二、笔算。
3.7-0.77=65.59+5.07=7.58-2.18=71.3-20.5=
9.78+1.78=18.74+1.88=9.54+0.41=65.68-6.65=
9.23-0.17=53.73-4.57=8.44-5.57=89.6-10.7=
9.63-6.97=10.51+2.07=6.58-0.23=52.89-5.31=
一、口算。
4.6+0.4=6+2.6=27.1+8=0.64-0.11=
3.2-0.8=5.3-2.6=7.8+2.9=0.5+0.47=
7.1+0.8=6.8+1.5=65.5+4=0.63+0.37=
7.4+0.5=8.1-4.1=8.1+4.6=0.86-0.24=
3.3-0.8=5.4+4.1=63.7+1=0.51+0.21=
二、笔算。
8.53-0.96=55.18+8.82=7.52+3.84=86.4+4.3=
8.54+3.25=20.61+5.67=5.52-0.76=86.91+3.59=
4.11-0.05=77.88+2.54=7.1-2.08=71.4-28.3=
9.44-3.12=92.5+4.81=8.63-0.59=28.26+4.25=
一、口算。
8-0.2=9.7+7.6=77.2-9=0.65+0.34=
1+0.2=8.1-2.3=6+1.5=0.54-0.01=
7.4+0.5=2.9+2.3=95.7-2=0.98-0.01=
8.4-0.3=7.1-4.1=9.2-4=0.99-0.28=
1.3-0.6=6.3+8.6=60.9+1=0.89+0.15=
二、笔算。
8.5+0.53=70.02-3.35=7.3+4.18=69.8-23=
7.61-2.11=67.28+9.2=9.49-0.07=26.39-2.39=
2.11+0.53=85.27+2.8=7.02+4.09=92.9-36.3=
8.63-1.99=90.59-8.36=7.1+0.45=40.38-9.1=
一、口算。
5.4-0.5=1.2+2.7=47.9+9=0.78+0.08=
4.1+0.1=8.7-1.4=8+5.6=0.64+0.05=
4.2+0.9=8.6+5.9=66.2-7=0.64-0.02=
4+0.4=9.6+2.7=8.1-4.8=0.66+0.36=
2.6-0.2=4.3+0.1=34.5+1=0.97+0.4=
二、笔算。
4.36+0.53=65.45+8.98=7.52+3.32=72.8+10.6=
8.59+3.32=56.05+7.9=4.48-0.14=99.48+3.92=
6.67-0.86=21.55+9.54=9.09+5.16=95.3+12=
8.76+3.81=59.85+4.45=2.4-0.65=56.45+4.68=
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