四年级数学下册小数加减法练习题精选119.docx
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四年级数学下册小数加减法练习题精选119.docx
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四年级数学下册小数加减法练习题精选119
一、口算。
1.5+0.5=0.6+2.6=65.6+9=0.6+0.3=
3.8-0.4=7.8-3.8=6.8-1.9=0.75-0.03=
2.5-0.9=1.4+0.5=64.1+5=0.69+0.15=
2+0.5=9.7+1.7=9.2-1.7=0.66-0.02=
1.9+0.5=0.3+8.4=17.2+7=0.94-0.34=
二、笔算。
1.29-0.22=17.77+9.52=9.65-4.69=71.7-31.7=
9.78-5.48=56.43+8.93=2.82-0.17=28.76-7.55=
5.57+0.56=90.41+5.92=8.67+3.73=67.6+2.7=
8.58-4.34=85.49+1.54=7.83+0.16=89.01+5.3=
一、口算。
8.6+0.7=5.4+0.5=45.1+8=0.51-0.46=
2.4+0.6=8.3+3.6=6.2-0.4=0.77+0.37=
6.9+0.1=9.3+7.4=56.3-7=0.64+0.25=
7.6+0.8=7.6+0.2=9.8+5=0.63+0.26=
7-0.2=6+7.2=42.9+3=0.68+0.34=
二、笔算。
2.01-0.79=16.25-4.09=9.74-4.23=81.8+28.1=
9.52+1.35=54.29+2.33=8.05-0.51=76.92+8.8=
5.14-0.91=92.69+4.7=7.22+3.41=77.3+38.5=
8.17-3.88=97.01-8.06=7-0.66=42.84-4.63=
一、口算。
3.4-0.9=2.5+5.8=99.6+9=0.78+0.49=
3.2+0.4=9.5+3.7=6.7+1=0.5+0.22=
8-0.7=3.8+5=73.4+7=0.95+0.17=
4.8+0.9=6-0.4=7.2-4.5=0.77-0.13=
6.6-0.6=9.2+4.5=42.9+3=0.89-0.18=
二、笔算。
9.05-0.66=95.86-9.51=7.65-6.35=65.2-24.7=
9.52+4.79=11.25-6.39=7.96+0.38=60.83+6.99=
2.07+0.32=49.08-6.42=8.69-3.86=65.5-42.7=
7.53+1.04=23.46-5.32=5.49+0.98=67.97-9.67=
一、口算。
7.1-0.1=4.6+8.1=67.3+5=0.68-0.3=
8.4+0.9=6.2-4.5=7.6+0.7=0.96-0.16=
7.3-0.4=2.6+7.1=63.8-4=0.7+0.3=
2.3+0.4=8.7+1.8=6-1=0.95-0.19=
5.1-0.1=7.2+6.4=84.2+6=0.79-0.04=
二、笔算。
6.79+0.49=40.33-8.23=9.01-4.19=96.4-41.9=
7.42+3.4=48.77-1.35=1.61-0.48=56.22-1.71=
1.31-0.92=86.56+3.11=9.44+2.33=55.9-20.6=
9.85+1.68=22.62-1.6=8.43-0.27=94.9+4.62=
一、口算。
4.9+0.4=4.6+2.1=73.4-2=0.82+0.32=
1.5+0.8=6-3.2=8.9+1.4=0.82+0.4=
5.6-0.5=9.9+0.3=26.1-2=0.62+0.01=
8.8+0.4=9.9-3.4=9.2-3.5=0.53-0.46=
7.3-0.3=5.6+3.1=33.7+5=0.9+0.14=
二、笔算。
5.23+0.28=53.05-5.11=7.53-6.67=56.3-16.3=
7.79+5.79=56.01-8.55=6.69+0.79=47.84-4.1=
9.98-0.37=92.21-9.78=8.03+4.01=50.6+10.1=
8.27-6.76=47.46+3.92=6.57-0.02=57.15+9.42=
一、口算。
7.5+0.6=5+4.4=77.7-4=0.78+0.09=
7.8+0.1=6.6+1.6=6.1-2.9=0.65-0.18=
1.6+0.4=9.3+5.4=47.4+3=0.63-0.32=
5-0.2=5.5+3.8=9-2.7=0.83+0.21=
2.2+0.7=1+4=83.1+7=0.86+0.01=
二、笔算。
9.58-0.4=80.15+8.82=9.17-1.43=79.4-31.1=
9.92+4.9=91.4-7.27=5.15-0.79=11.61+5.22=
6.24+0.01=83.08-1.07=7.7+3.72=54.9-5.2=
9.25+6.41=68.9+5.43=1.61-0.2=73.95-3.68=
一、口算。
1.7-0.8=6.7+5.5=27.7-4=0.52-0.44=
3.4+0.9=7.4-2.5=9.9+4.5=0.71-0.26=
6.6+0.6=0.5+6.5=58.5+9=0.57+0.4=
8.6-0.5=5.1+0.3=9.4-3.2=0.87-0.1=
7.4+0.5=4.4+5.6=48.8+6=0.8+0.03=
二、笔算。
9.3-0.65=97.48-4.17=7.5+6.58=65.2-5.9=
8.26-2.67=63.07-4.57=9.91-0.9=88.83+9.46=
2.23+0.73=79.41+1.43=7.33+1.68=91.4+48.7=
9.42+3.32=85.79+7.83=8.54-0.15=23.96+1.27=
一、口算。
6.2-0.5=6+8.7=64.6+4=0.94-0.44=
3.1+0.7=5.8+4.3=9.4+4.1=0.97+0.29=
4.8+0.1=2.2+5.1=40.3-7=0.71-0.07=
5.7-0.8=5.8-1.6=8.5+4.7=0.96+0.42=
1.7+0.2=4+4.1=48.9+7=0.64+0.13=
二、笔算。
2.93+0.86=17.23+8.98=7.14-3.07=99.6-20.1=
9.42+2.08=27.05+5.36=9.69-0.55=27.78-4.91=
3.31+0.85=42.82+9.81=7.44-4.26=88.6-3.9=
9.33-1.51=84.08-8.87=9.29+0.27=32.92-1.81=
一、口算。
7.7-0.1=2.7+2.8=77.5-6=0.99-0.45=
1.6+0.8=9.6+4=6.2+2.5=0.53-0.24=
5-0.4=3.1+3=77.3+5=0.6+0.47=
7.1-0.4=5-4=8.1+3=0.63+0.24=
1.2+0.7=5.9+5.6=17.1+1=0.89-0.37=
二、笔算。
7.09-0.38=80.32-4.19=7.97-1.84=65.4+42.8=
8.22+5.33=48.17+2.35=5.08+0.71=92.72+3.67=
1.37-0.69=82.82-7.96=7.65+5.73=51.1+45.4=
7.23-1.19=74.25-2.25=1.18-0.71=67.54-1.89=
一、口算。
3.9-0.2=9.9+1.1=92.6+8=0.54-0.35=
8.5+0.7=6.2-3.4=9.5-0.5=0.63-0.17=
4.3-0.3=4.3+9.8=59.9+4=0.79+0.48=
4.8+0.5=5.3-2.9=7.4+2=0.66+0.17=
8.1-0.8=0.5+1.9=70.7-8=0.73+0.08=
二、笔算。
3.45-0.57=78.78+9.16=7.62+1.81=82.7+35.8=
8.78-1.95=58.51+8.18=9.03-0.26=91.25-3.16=
8.31-0.51=49.62+1.76=8.97+4.21=96.1-5.5=
7.67-6.85=32.18-2.66=3.84-0.07=89.31+5.22=
一、口算。
6.8+0.6=7.9+4.5=81.2-7=0.75-0.34=
1.3-0.3=6.1-4.3=6.5-1.4=0.75+0.36=
2+0.3=5.8+5.6=34.4+3=0.89-0.15=
8.8+0.3=6.5-2.8=7.5+1.8=0.84-0.36=
6.5-0.9=9+1.1=81.9-6=0.98-0.46=
二、笔算。
3.58-0.82=86.64-2.21=8.56+2.33=56.4+34.9=
9.26-1.5=76.74-1.7=2.75+0.18=39.86+3.28=
6.45-0.73=79.26+7.29=8.89+6.85=95.8-20=
7.48-2.34=17.36+1.05=1.52-0.47=28.92+6.03=
一、口算。
3.3+0.2=2+0.6=80.2+3=0.52+0.16=
4.1+0.7=8.2+4.3=9-0.8=0.55-0.08=
1.5-0.9=8.7+0.8=58.5+4=0.54-0.37=
8.4+0.7=6.6-0.6=9.4-4.2=0.85-0.14=
3.1-0.5=4.2+4.9=34.4+2=0.95-0.04=
二、笔算。
6.8+0.75=70.71+7.91=9.69-6.65=97.2-21.9=
9.52+6.09=30.76+8.78=6.36-0.36=80.51-6.55=
5.25+0.08=72.95-9.91=9.17+5.57=92.8+1.8=
9.42-4.94=66.05+2.38=4.35+0.66=56.36+4.61=
一、口算。
3.5-0.7=4.2+8.1=80.4-2=0.99-0.13=
4.3+0.4=8.5+3.9=6.5+5.6=0.8-0.25=
7.2+0.3=8+4.1=74.4-8=0.86-0.31=
1.1+0.1=7.3-1=9.5-2.6=0.78-0.1=
7.9+0.6=2.6+3.7=35.9+1=0.57+0.01=
二、笔算。
2.54-0.62=28.29+6.74=7.21+6.55=81.4+38.7=
9.28+6.33=93.24-9.78=7.81-0.46=97.45-8.41=
1.58-0.94=32.63+3.15=7.53-1.72=98.7+13=
8.17-2.84=43.79-6.28=5.83+0.53=27.33+7.03=
一、口算。
7.7-0.7=4.6+2.7=76.9-9=0.85+0.11=
7-0.6=9.9+3.4=7-4.7=0.56-0.09=
6.3-0.8=3.1+6=62.8-5=0.8+0.13=
3.4-0.7=9.9+1.4=8.1-3.1=0.54+0.03=
3.8+0.7=1.8+0.6=32.4+7=0.8+0.33=
二、笔算。
6.44-0.88=61.38-2.62=8.19-1.15=77.4-27.2=
8.59+1.86=83.6+3.15=1.88+0.71=62+6.95=
9.46+0.3=21.53-4.56=9.54-4.65=60+39.3=
8.26+5.36=80.99-4.48=7.35+0.61=97.31+2.45=
一、口算。
2.6-0.3=4.2+2.9=88.6+7=0.74+0.06=
8.1+0.3=8.4+3.5=6.1+5.2=0.53+0.28=
3.9+0.9=2.4+5.5=82.7-7=0.9-0.16=
3.1+0.1=9.3-2=8.4-0.8=0.58+0.28=
4.9-0.9=4.3+3.9=76.1+4=0.6-0.16=
二、笔算。
4.63-0.49=68.71+4.27=7.26-4.31=79.7-13.1=
9.45+3.22=84.45+4.05=7.88+0.8=33.79+1.78=
7.71-0.72=38.87+5.08=9.19-4.78=69.8+23.9=
8.08+6.63=91.85+6.95=1.81-0.68=38.25-8.29=
一、口算。
6-0.8=0.3+4.8=35.1+5=0.56+0.35=
6-0.1=5.5+3.7=6.4+4.5=0.97+0.25=
1.1+0.6=6.4+2.3=16.9-8=0.89+0.16=
7.1-0.6=5.5-4=7.1+5=0.52-0.33=
3.8+0.4=8.5+9.3=62.2-7=0.88+0.02=
二、笔算。
8.63-0.27=11.97+8.56=9.8-2.12=70.5+20.9=
9.52+1.11=36.47-2.35=4.58-0.57=97.69+6.75=
6.2-0.01=44.75+3.67=7.44-1.35=69.3+39.7=
9.85-2.21=49.61-5.13=7.51+0.69=15.34+6.33=
一、口算。
2.4+0.8=9.8+3.1=75.9+8=0.88+0.26=
5.2+0.8=6.8+3.8=8.6+2.1=0.69-0.31=
3.5+0.9=4.9+1.1=68.5-3=0.65-0.3=
5.7+0.5=8.4+4.4=6.2+2.3=0.78-0.32=
1.8+0.2=1.1+3.4=38.4+1=0.51+0.05=
二、笔算。
4.49+0.51=72.34-2.64=9.35-6.69=60.5+45.1=
7.34+5.99=25.73-4.27=4+0.85=99.81+3.9=
6.86+0.51=30.16+5.83=8.1+6.19=62.9-27.9=
8.15-5.88=83.41+9.31=1.59+0.9=11.34+1.52=
一、口算。
2.5-0.3=5+2.3=83.5-3=0.68-0.16=
5.2-0.9=8.6+1.6=8.2-4.9=0.87+0.43=
7.1-0.8=7+3.2=12.1+7=0.56-0.24=
6.6+0.2=8.6-0.5=8.9+5.7=0.85-0.19=
2.9-0.8=1.7+8.1=78.2-1=0.94-0.39=
二、笔算。
3.86+0.31=26.02-4.5=7.88-5.15=69-4.4=
8.29-3.79=10.48-9.97=8.95+0.15=84.3+8.53=
6.74+0.97=59.34-6.78=7.31-1.53=85.3-30.6=
7.25+3.18=44.96-5.83=6.84+0.25=54.01-8.77=
一、口算。
5-0.3=2.4+6.4=15.8-6=0.96+0.22=
2.6-0.1=7.8-4.7=9.4+5.1=0.54+0.46=
5.6-0.6=2.1+7.9=50.5+6=0.64+0.28=
3-0.2=7.6-2=6.5+3.9=0.89+0.14=
6.2+0.4=7.8+7.5=23.2-1=0.97-0.28=
二、笔算。
7.79+0.11=11.99+3.7=9.69-1.59=83.6-12.9=
8.44-5.22=27.13-8.11=2.49-0.29=26.61+3.52=
1.27+0.16=42.36-2.87=9.75+6.4=74.8-36.5=
7.84+3.14=77.94+7.37=7.58-0.14=94.52+3.37=
一、口算。
1.5+0.3=4.9+3.8=61.1-4=0.81+0.32=
1.7-0.5=9.6-3.3=7.9-2.8=0.92+0.2=
7-0.9=5.9+6.6=26.6-7=0.52-0.29=
1.2+0.5=7.4-1.4=8.4-5.6=0.99+0.37=
8.9-0.8=7.5+7.7=33.5-9=0.52-0.47=
二、笔算。
3.8-0.92=67.42+2.03=9.5-6.82=75.5+47=
8.54+3.73=78.65+9.93=7.33-0.53=18.23+2.4=
5.79-0.3=95.99+5.24=7.57-6.32=77+23.2=
7.88-4.38=18.53+8.38=9.81-0.17=10.59-8.56=
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