四年级数学下册小数加减法练习题精选13.docx
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四年级数学下册小数加减法练习题精选13.docx
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四年级数学下册小数加减法练习题精选13
一、口算。
2.8-0.8=3.4+3.7=85.1-6=0.71-0.31=
6.7+0.9=9.2+0.7=9.6-1.4=0.73-0.29=
8.5+0.7=6.4+8.7=15.9+5=0.55+0.07=
2.4+0.1=8.7+1.7=6.2+2.6=0.57+0.25=
3.6+0.4=0.8+5.6=68.4-6=0.84+0.18=
二、笔算。
9.16+0.09=52.26-6.82=9.59-1.94=94.8+48.5=
9.28-2.94=84.15-9.96=9.7+0.25=92.72+8.11=
1.32+0.08=69.34+6.59=9.5-6.16=82.1-45=
8.53+6.35=37.84-4.67=8.96-0.11=89.11+1.94=
一、口算。
5.1-0.5=1.4+6.1=90.4-3=0.89+0.31=
7.5+0.2=9.9-0.4=7.1-3.4=0.53-0.38=
7.1+0.4=7.1+2.2=22.5+7=0.8-0.37=
3.2+0.1=7.2-4=9+3.1=0.73+0.11=
3-0.9=6+9.2=76.4-5=0.69+0.4=
二、笔算。
5.6+0.25=12.73-8.92=9.38-4.5=55.7+31.8=
8.22-6.66=24.59+4.63=5.32+0.6=88.48+9.06=
4.14-0.62=84.31+3.71=9.71+5.53=97.6-27.5=
7.32-3.54=96.36-4.33=5.49-0.58=31.11-4.26=
一、口算。
6.9-0.2=0.6+3.7=39.1-7=0.61+0.05=
8.1+0.4=9.5+1.3=9.4-1.2=0.87-0.45=
4.6-0.4=7.2+3.3=60.4+9=0.72+0.04=
5.6-0.3=6.7+0.9=6.3+5.8=0.59-0.44=
6.3-0.8=0.3+4.7=69.8-6=0.96-0.49=
二、笔算。
7.1-0.93=78.17+2.28=9.47-6.43=82.5-49.7=
7.61-2.1=86.66-7.29=4.17+0.73=40.64-1.9=
8.91-0.46=71.85-1.91=8.15-5.75=86+9.6=
7.41+3.27=52.98+7.09=3.68-0.23=17.4-9.54=
一、口算。
8.6-0.1=3.7+8.6=73.1-3=0.53-0.12=
7.8-0.2=5.7+1.5=8.2+2.5=0.53+0.01=
3+0.5=5.5+3.4=60.3+2=0.61+0.11=
4.6-0.9=8.4+1=6.8-4.2=0.94-0.03=
6.7-0.2=6.3+9.2=82.6-1=0.66-0.27=
二、笔算。
5.42+0.81=22.85-1.59=7.96-4.17=55-31.5=
8.36+6.17=57.79-7.53=7.7-0.52=11.89+2.17=
7.73+0.98=98.14+3.08=8.12-1.72=52.7-32.4=
8.32+5.6=92.91-6.79=3.02-0.52=99.46-5.68=
一、口算。
6+0.9=7.8+6.9=39.1-4=0.99-0.17=
3.3-0.7=5.5+4.7=7.8-5.5=0.68+0.34=
6.4-0.6=8.8+0.8=88.1-3=0.68-0.05=
1+0.1=6.9-3.1=8.1+3.7=0.72+0.26=
2.8-0.9=8+9=13.7-1=0.66-0.32=
二、笔算。
6.32-0.62=39.03-5.65=8.27-1.25=86.7+3.6=
7.85+6.88=68.76-2.48=6.17-0.88=84.49-2.83=
9.68-0.11=13.92-5.61=7.04+4.72=98.3-40.4=
7.29-3.61=61.64-9.65=2.63-0.85=55.06+5.27=
一、口算。
8.3-0.9=6.9+5.9=82.8+7=0.68+0.1=
1.4+0.5=7.1+0.7=7.9+0.6=0.56+0.28=
7+0.8=0.3+7.1=49.8-9=0.55+0.12=
4.8-0.6=5.3-3.4=7.9+5.4=0.56-0.2=
3.6+0.8=8.3+1.3=36.8+9=0.93+0.05=
二、笔算。
7.61-0.16=68.2+5.79=7.58+4.36=78.3+7=
7.16-1.37=47.67-8.4=3.95+0.96=27.1-3.2=
3.33+0.05=70.41-8.3=7.43-1.62=69.4-38.9=
7.67+1.79=94.31+9.83=5.6-0.09=15.52+4.91=
一、口算。
4.7+0.4=3+2.4=10.5-4=0.88+0.42=
8.1-0.6=9.1-3.9=9.2-1.2=0.91+0.19=
8.4+0.3=8.1+9.1=98.6-3=0.62-0.25=
6.2-0.3=8.9+3.9=8.5-5.5=0.85-0.03=
7.3+0.5=7.9+6.5=24.9+1=0.95-0.13=
二、笔算。
3.75-0.11=28.17-2.91=7.74+2.65=87.5-25.1=
9.32-5.39=72.99-6.06=4.15+0.77=55.85+1.43=
3-0.47=92.18+2.25=9.99-6.81=92-48.3=
8.53-2.67=74.77+4.98=3.53-0.36=89.21-5.65=
一、口算。
5.5-0.8=8.6+3.1=12.7+5=0.62+0.3=
2.4+0.5=6.6-1.4=8+1.2=0.83+0.24=
2.6-0.4=7.8+8.4=70.6+4=0.97+0.43=
5-0.6=5.6+4.8=7.7-0.6=0.63-0.14=
7.7-0.5=9+7.9=58.1-5=0.58+0.21=
二、笔算。
8.98-0.77=96.67+7.28=7.19+4.49=72.9-4=
9.28+4.79=52.73-4.37=8.78-0.91=82.29-6.19=
9.91-0.07=69.56-9.15=9.07+1.52=71.8+27.7=
9.78+3.64=83.02-8.72=4.77+0.59=50.59+4.23=
一、口算。
6.4-0.3=8.7+5.2=62.1+9=0.79+0.28=
2.3-0.5=9.2+3=7.2+4.4=0.6-0.21=
8.2+0.8=5.3+3.6=31.8+1=0.58+0.46=
5.6+0.9=7.5-2.8=8+0.2=0.76+0.14=
2+0.7=0.1+3.8=57.7-5=0.6+0.21=
二、笔算。
1.8-0.77=70.26+6.67=7.98+6.17=70.9+10.3=
9.54-6.8=66.8+1.99=7.98-0.29=45.3-1.22=
5.64+0.19=46.19-1.36=8.93-6.95=94.1-44.4=
7.57-2.14=44.83+7.61=1.22-0.87=98.12-7=
一、口算。
3.6-0.6=4.6+8.2=45.7+5=0.84+0.04=
2.9-0.9=9.2-2=8.2-4.4=0.65-0.22=
1.7-0.6=1.2+5.8=12.8-4=0.91+0.35=
1.1-0.8=5.4+1.8=8.1-1=0.92-0.34=
2.1-0.7=4.9+5.3=12.4+1=0.92-0.16=
二、笔算。
4.06+0.5=61.68-8.86=7.96+6.04=67.9+49.5=
9.3-2.47=74.75+7.66=7.73-0.76=29.37-1.64=
6.46-0.23=48.09-2.74=8.8-6.15=92.5+14.8=
8.5+5.67=70.94+5.41=5.2+0.55=34.02-3.02=
一、口算。
3-0.3=2.2+9=42.9+3=0.74-0.16=
2.2+0.6=5.9-1.8=7.8-1=0.79-0.08=
8.5+0.9=6.9+3.8=42.1+4=0.92+0.09=
4.1-0.4=7.4-3.2=7.5+5.8=0.74-0.28=
6.6-0.4=4.4+7.1=98.2-3=0.88-0.23=
二、笔算。
4.16-0.1=75.29-6.71=7.13+6.86=59.5+31.2=
8.04+3.89=93.21-6.06=6.31+0.15=65.37+5.7=
2.77-0.69=23.8+1.28=8.11+3.26=92.4+36.2=
7.53+6.95=84.59-6.29=6.85-0.69=60.41-8.07=
一、口算。
7.4-0.4=0.7+3.1=74.3-7=0.93+0.35=
7.1-0.2=8.2-4.2=7+2.5=0.98-0.31=
6.4+0.3=0.2+5.6=95.1+3=0.98-0.03=
8.8+0.4=8.9+0.8=8.5-1.3=0.79-0.16=
5+0.7=2.5+2.9=78.5+9=0.67+0.25=
二、笔算。
4.79-0.07=67.25-5.98=7.52+3.31=83.9+45.5=
9.77-2.49=39.01+8.62=7.78+0.76=68.95-1.67=
5.91-0.37=46.96+4.08=8.95+1.55=64.8-11.9=
9.61+6.12=80.21-4.36=8.2+0.36=40.18-2.49=
一、口算。
2.9-0.7=0.8+6.4=71.2+7=0.56-0.25=
5.7-0.4=9.6-1.7=9.5+1.9=0.64-0.34=
3.3+0.5=1.1+0.4=71.6-9=0.84+0.48=
8.9+0.4=7.8-3.4=9.6+1.6=0.65-0.07=
6.7+0.8=5.9+1.9=10.7-9=0.8+0.42=
二、笔算。
7.62-0.97=88.57-5.3=7.09-2.92=59+11.9=
8.12+5.25=22.12+6.74=1.07-0.4=60.55-2.12=
6.11+0.17=95.45-2.73=9.01+3.26=79.2-15.8=
9.11-6.21=55.58+2.67=2.39-0.05=74.82-3.33=
一、口算。
9+0.6=8.6+3.4=29.7+3=0.65-0.41=
8.6-0.1=9.5+0.9=8.9+2.5=0.9+0.27=
1.5-0.8=6+1.2=11.2-8=0.55-0.16=
3.3+0.1=5.6+1.2=6.5-4.5=0.59-0.23=
3.8+0.1=5.5+5.8=76.5-1=0.9-0.01=
二、笔算。
6.62-0.1=20.94-2.68=9.64-5.57=95.3+4.6=
8.73+6.29=91.15-8.95=6.53-0.76=95.69-5.95=
9.28+0.34=13.63+7.5=8.4-5.56=95.6+45.9=
7.44-3.11=89.31-2.81=2.4+0.19=71.99+5.12=
一、口算。
7.9+0.2=1.2+5=76.1-8=0.95-0.3=
4.1-0.6=6.8-1.7=9.9-1.1=0.5+0.42=
7.2+0.5=5.8+0.2=54.1+7=0.99-0.1=
8.5-0.1=8.8+1.3=7.6+2.5=0.51-0.32=
4.7+0.9=9.9+3.8=46.3-3=0.76-0.37=
二、笔算。
2.21+0.02=45.28-6.62=8.37+6.84=96-8.2=
7.77+5.84=51.01+8.06=1.83+0.74=15.79+9.87=
6.6-0.19=22.05+1.03=7.95-4.22=69.1-39.6=
9.83+1.14=90.46+6.16=5.89-0.72=58.66-7.32=
一、口算。
1.1-0.1=0.2+8.6=81.3-2=0.91-0.42=
4.2+0.8=7.9+1.2=9.4+3.8=0.97+0.08=
1.5-0.5=3.5+6.8=33.3+9=0.99+0.1=
4.7-0.5=5.7+3.4=9.7-1.9=0.89+0.08=
5.6-0.8=6.5+2.2=22.3-2=0.55-0.29=
二、笔算。
6.97+0.49=54.76+5.42=9.69+1.28=75.5-37.3=
7.31-3.36=10.7+5.85=8.33+0.78=29.64+7.81=
2.57+0.97=52.02+9.81=8.7+6.77=99.7-37.1=
9.59+5.38=73.99-3.67=5.44+0.77=16.76+4.34=
一、口算。
5.1+0.4=9+8.7=37.6+2=0.55+0.01=
6.6+0.3=9-2.4=6.1-4.6=0.52+0.42=
7.8+0.4=8.4+2.2=81.6-7=0.82+0.25=
8.8-0.9=7.8+2.5=8.2-3.4=0.83+0.43=
3.6+0.4=1.5+7.5=66.6+7=0.98-0.46=
二、笔算。
6.52-0.44=85.32+8.75=9.11-2.35=90.4+32.7=
9.56-6.22=68.84-1.62=4.97+0.44=27.83-8.63=
8.51-0.98=97.97-1.47=7.79-1.09=93.9-31.2=
9.56+3.64=45.29+7.77=1.03+0.9=92.8-7.47=
一、口算。
1.6+0.5=4.3+8.1=35.9-7=0.72+0.4=
5.9+0.2=7.5-2.4=7.7+1.4=0.85+0.42=
5.2-0.6=1.6+7.9=93.5-6=0.64+0.42=
4+0.3=9.8-3.1=8.9-2.7=0.75+0.05=
6.6+0.1=4.2+0.4=15.2+5=0.74-0.3=
二、笔算。
4.51-0.31=57.81-5.33=8.74+3.47=75.8+39.4=
7.98+5.84=36.6-1.8=2.18+0.7=42.07-3.15=
2.2+0.41=22.71-8.67=7.88+3.04=80.9-6.1=
9.16-5.83=74.34+3.68=1.68-0.11=89.19-1.09=
一、口算。
3.9-0.2=9.1+5.2=91.9+4=0.59+0.27=
7.2-0.4=9.4-2.9=6.6+3.4=0.85-0.3=
5+0.5=9.9+9.4=36.6-2=0.98-0.34=
1.9+0.2=8.4-4.4=6.5+1.1=0.69-0.17=
3.3-0.2=4+6.8=36.1+5=0.53-0.29=
二、笔算。
5.79+0.31=20.43-8.01=7.97+2.27=78.6-4.5=
8.81+5.02=71.86+9.61=1.67-0.38=95.37-9.14=
5.51+0.95=21.64-1.07=7.34-3.57=85.2-42.7=
7.27+5=10.6+2.92=4.89-0.73=80.86+5.09=
一、口算。
4.6+0.7=2.9+7.4=66.1-6=0.91-0.17=
7.2-0.4=8.2-3.4=6.6-1.9=0.51+0.25=
8.8-0.6=9.8+4.5=30.5-3=0.77-0.11=
4.3-0.7=9.1+4.7=8.8-4.7=0.69-0.16=
1.7-0.2=7.8+2.7=97.2-2=0.82-0.02=
二、笔算。
9.2+0.15=74.36+5.82=7.69+4.63=82.6+41.7=
8.44+3.02=80.01+9.61=4.96-0.93=66.76-5.75=
6.68+0.48=90.21+6.6=9.34+6.81=61.4-44.5=
9.57+3.75=27.58-2.91=5.58-0.49=58.71+3
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