四年级数学下册小数加减法练习题精选135.docx
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四年级数学下册小数加减法练习题精选135.docx
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四年级数学下册小数加减法练习题精选135
一、口算。
7.2-0.7=4.3+5.1=19.2+1=0.76-0.39=
4.3+0.8=9.8+2.2=9.4+5.8=0.93+0.43=
8-0.1=3.4+4.4=22.6-1=0.55+0.19=
6.8-0.5=5-3=9-5.7=0.94-0.19=
1.8+0.9=6.1+4.1=97.8+5=0.86+0.25=
二、笔算。
8.95+0.49=80.56-1.93=8.3+4.45=82.4-9.7=
8.48-6.68=15.9-3.77=9.31-0.88=38.78-6.41=
2.38+0.97=56.05+7.74=8.3+4.9=82.5+48.8=
9.91+6.9=26.85+8.54=8.44-0.14=87.65+1.42=
一、口算。
4.6+0.9=6.9+3.3=92.3+3=0.96-0.32=
9-0.4=5.7-4.2=9.1+5.6=0.85+0.08=
8.3-0.4=4.2+3=80.1-9=0.99-0.42=
1.1-0.1=6.6-3=6.4+4.6=0.92+0.05=
1.7+0.3=2.5+2.9=43.2+8=0.72-0.17=
二、笔算。
4.02+0.12=96.15+2.61=9.62-6.21=79.2-19.6=
8.28+4.97=62.71+2.8=7.9+0.26=19.02-7.22=
1.67+0.67=88.47-9.37=8.11+5.88=62.8-35.6=
8.73-2.31=97.03-4.87=4.28+0.4=96.18+3.3=
一、口算。
2+0.5=7+9.8=99.6-8=0.65+0.2=
4.8+0.5=6.3-4.7=8+2=0.9+0.44=
2.4-0.6=6.7+3.6=10.4+7=0.85+0.05=
5.6-0.9=6.5-3.9=7.1-0.2=0.87-0.35=
1.8+0.9=6.7+0.6=50.1+6=0.83+0.26=
二、笔算。
4.99-0.77=81.47+9.68=8.91+1.97=90.3-43=
8.15+4.07=72.18+5.32=4.04-0.45=32.47+7.98=
3.84-0.06=71.33-4.98=7.28-4.3=51.5+47.8=
7.48+4.63=48.53+3.15=9.05+0.72=79.11+3.73=
一、口算。
1.5+0.3=9.2+1.7=54.8+7=0.76+0.24=
6.3+0.1=7.4-0.7=6.7-5.3=0.71+0.12=
4.1-0.2=7.6+6.4=26.8+1=0.91-0.38=
7.7-0.3=7.5-2.7=7.5+0.4=0.91+0.39=
4.4+0.2=5.1+2.9=34.7+2=0.86-0.07=
二、笔算。
9.34-0.01=35.86+7.36=9.43-3.12=52.5-7.5=
7.24+5.84=27.49+8.95=3.39-0.15=53.88-6.96=
1.27+0.83=27.76+4.54=7.9-1.17=66.2-20.1=
8.21-1.69=17.09-5.93=8.68-0.8=76.31+2.47=
一、口算。
6.1+0.5=3.7+8.6=64.9+3=0.5-0.01=
8.8+0.9=9.3-2.6=9.7-2=0.61+0.4=
3.2-0.6=4.6+3.6=94.1+4=0.74-0.16=
4.3-0.6=5.1-1.2=6.2-5.3=0.73+0.1=
2.9-0.4=0.3+5.5=86.5-1=0.75+0.3=
二、笔算。
1.05-0.18=95.38+9.58=7.99-3.53=60.4-43.4=
7.02+4.34=72.62-5.19=8.34-0.36=75.39+6.68=
3.21-0.84=39.5-8.24=7.13-4.36=67.2+43=
9.91+5.19=50.25+3.46=1.92-0.34=92.56-1.44=
一、口算。
1.2+0.5=0.6+2.1=89.3+9=0.94+0.41=
8.2-0.7=7.2-3.9=6.7-5.5=0.85-0.05=
1.8+0.3=3+4.3=50.2-5=0.76-0.35=
4.9+0.8=7.5+4.2=8.4+3.1=0.5-0.18=
4.6+0.9=5.6+3.5=99.1-3=0.95-0.45=
二、笔算。
3.06+0.68=98.04-2.55=8.15-5.5=52.1+37.7=
9.13+2.45=48.31-3.4=7.37+0.65=49.81+1.15=
5.74+0.14=96.07-9.88=9.01-3.68=86.1-33.7=
7.04-3.08=28.78+4.05=5.34-0.48=84.32+2.01=
一、口算。
3+0.4=0.3+8.8=46.3+4=0.53-0.37=
5.5+0.8=6.3-3.8=7.3-0.3=0.98-0.45=
4.8-0.2=4.3+0.6=19.5+8=0.67+0.09=
4.4+0.2=5.5+4.6=6.4+0.9=0.98+0.3=
7.9+0.4=6.7+8.3=54.7-8=0.75-0.46=
二、笔算。
6.72+0.74=56.26+9.33=8.18-3.34=53.3+9.9=
9.86+2.15=17.36+8.55=7.37+0.98=33.17-5.71=
1.9+0.76=46.41-5.73=7.07+5.75=95.6-40.9=
7.08-5.3=47.59-6.63=6.67-0.61=86.94-7.74=
一、口算。
2.8+0.3=7.3+3.7=23.2+9=0.73+0.17=
4.4+0.7=6.3-4.6=6+2.4=0.92+0.25=
2.6-0.4=0.2+9.9=23.3-4=0.97+0.34=
2.7-0.9=9.9-2.5=8.8+5.3=0.68+0.38=
1.2+0.5=6.9+7.5=28.4+2=0.57-0.49=
二、笔算。
7.06-0.71=51.4+2.13=9.15-2.54=76.5-27.2=
9.4+4.28=39.18+9.2=5.73-0.06=27.46-5.52=
3.89+0.94=22.84-6.84=7.69-5.93=84.1-3.6=
9.11+2.28=99.82-7.62=8.95-0.63=74.33-2.17=
一、口算。
6.8+0.3=5.5+5.7=59.8+1=0.58-0.18=
8.9-0.4=5.1-1.1=6.2+0.5=0.82-0.19=
5.1+0.1=6.2+9.6=15.8+5=0.72+0.15=
4.4-0.9=7.7-2.1=7.9+2.4=0.69+0.28=
7.4+0.7=7+6.5=58.1-2=0.64+0.19=
二、笔算。
8.75-0.15=52.85-9.74=9.76-1.78=89.6+22.1=
8.27-1.11=27.16+7.49=6.91-0.94=29.49-8.7=
8.86-0.02=61.93+9.88=8.91+4.62=61.7+43.5=
8.89-2.54=64.94+3.22=8.85+0.26=11.95+5.42=
一、口算。
6.1+0.2=9.6+8=60.6-8=0.89-0.04=
5.3+0.6=9.9-0.5=8.1+1.7=0.97-0.13=
2.2-0.7=5.7+7.5=16.9-2=0.9-0.49=
2.1-0.7=9.4-4.4=6.7-1.7=0.53-0.07=
5.8-0.3=4.6+2.6=55.3+3=0.54+0.29=
二、笔算。
3.14+0.98=61.32-7.67=7.61+6.69=88.7+49.8=
8.08-1.67=60.95+9.63=9.92-0.68=52.37-8.47=
7.21-0.61=30.45-4.93=8.82-2.91=81+36=
9.23+2.99=40.67-7.5=1.02-0.09=95.39+8.54=
一、口算。
4.8+0.4=3.8+6.3=69.3-2=0.83+0.22=
4.9-0.4=6.2-0.5=7.2-3.3=0.56+0.28=
6.8+0.8=3.3+3.6=52.1+9=0.88+0.06=
1.2+0.3=5.5-2.8=6.2-5.2=0.76+0.21=
3.7+0.3=8.8+4.8=73.9+7=0.96+0.22=
二、笔算。
3.55+0.27=58.19-2.54=8.52-6.12=70.4+24.3=
7.62+6.42=93.23-1.04=1.39-0.81=29.04-7.07=
7.2+0.73=48.93+7.67=7.89+1.83=73.7-2.6=
7.32+5.64=40.82-9.13=6.81-0.68=86.25-3.21=
一、口算。
7.5-0.7=6.4+8.9=70.8-1=0.54+0.26=
4.9-0.2=8.2+4=6.5+0.7=0.94+0.37=
5.2+0.5=9.3+9.2=31.2+5=0.82+0.46=
6.7-0.5=9.5-1.8=7.4+0.3=0.82-0.23=
2.5+0.2=0.1+8.3=67.3+1=0.65-0.19=
二、笔算。
7.62+0.92=20.09+6.03=8.58-6.84=66.7-24.2=
9.61+4.98=29.46-5.57=9.52-0.82=41.32-7.08=
9.19+0.4=68.84+7.97=7.81-3.84=66.6-45.5=
9.54+1.23=77.73-9.58=5.24+0.2=18.24+8.53=
一、口算。
4.5+0.8=9.2+4.9=84.7+1=0.54-0.09=
1+0.5=9.5+1.2=8.4+1.4=0.9-0.1=
8+0.2=6.3+7.5=29.2-9=0.5+0.37=
6.3-0.8=5.4+3.2=8.9-4.3=0.97-0.02=
7.7+0.2=5.4+3.6=69.7+2=0.5-0.31=
二、笔算。
9.68-0.81=44.01+5.8=8.88+1.11=69+9.2=
8.73-2.77=87.14-7.17=8.65+0.22=39.12+7.75=
6.69-0.78=96.82+4.98=9.04+5.06=66.2+47.4=
8.94+5.97=36.83+7.46=6.58-0.8=47.97-4.87=
一、口算。
5.8-0.8=2.5+2.9=19.9+6=0.85+0.49=
1.3+0.4=8.5+3.4=6.5+1.9=0.95+0.23=
7.4-0.2=7.3+0.4=98.9-4=0.7+0.48=
8.7-0.5=9.1-4=7.3-5.5=0.54-0.11=
6.7-0.2=0.9+9.6=79.1-1=0.7-0.33=
二、笔算。
7.96+0.97=64.94+7.35=9.32-3.68=75.3+48.9=
7.36-2.15=18.25+7.88=6.16+0.19=29.28+9.34=
1.56+0.56=63.78-3.83=7.2-1.61=50.3+9.8=
8.55+1.22=82.6-2.23=1.21-0.6=26.9-6.84=
一、口算。
7.5-0.7=2.3+0.2=43.8+8=0.77+0.3=
3.6+0.2=8.4+4.6=9.3-4.9=0.76+0.49=
1.4-0.8=6.7+4.4=89.8+2=0.63+0.31=
7.7-0.3=8.6-4.7=6.3-4.5=0.56+0.11=
5.2+0.6=8.9+4=39.3-9=0.52+0.38=
二、笔算。
3.59-0.07=81.34-9.93=9.53+5.39=78.7-26.4=
8.97+1.29=38.16+5.82=6.22+0.27=64.79+3.1=
7.35-0.51=10.86-1.24=8.99-3.42=86.7-3=
7.56-1.88=62.79+6.32=6.42+0.42=12.84-6.77=
一、口算。
7.8+0.1=3+5.8=32.4+6=0.98+0.23=
1.5+0.2=9.9+1.7=8.1-0.5=0.53+0.15=
2.4+0.2=8.9+8=22.2-4=0.72-0.32=
6.3-0.7=5.3-1.6=8.5-4.7=0.77+0.48=
7.5-0.9=6.5+8.5=25.4+9=0.92+0.46=
二、笔算。
6.94-0.81=51.94-9.79=8.29-4.42=70.8+38.9=
9.19-2.05=21.95+2.37=2.62-0.43=18.46-1.27=
2.27-0.91=15.58-6.56=7.56+1.46=85.3+26.9=
8.12+2.08=89.14-5.23=9.35-0.82=73.83+1.88=
一、口算。
7.7-0.7=2.6+7.7=80.6-1=0.71+0.47=
1.3-0.4=7.7-2.4=8.1-5.2=0.93+0.19=
7.1-0.1=9+1.3=41.4+3=0.53-0.05=
4.3-0.1=5.9-4.2=7.1-2.1=0.95-0.35=
4-0.5=2.4+1.5=68.7+8=0.57-0.29=
二、笔算。
1.1-0.41=38.55-8.47=7.57-3.62=85-10=
8.58-4.74=90.56-1.12=8.34+0.85=33.08+7.53=
9.19-0.73=57.55-2=8.85+5.6=89.4+39.3=
8.03+3.86=41.98+9.37=7.18-0.84=50.48-8.89=
一、口算。
1.4-0.1=0.6+3.1=33.7+7=0.86-0.16=
8.2-0.5=5.7-2.5=7.3+4.6=0.83+0.17=
5.3-0.7=6.3+7.8=44.3-2=0.67-0.28=
5.5-0.8=6.3-0.4=7.9-2=0.8-0.12=
4.4-0.3=6.2+4=91.5-9=0.68-0.09=
二、笔算。
2.25-0.78=44.3-6.76=7.88+4=80.9+34.4=
8.61-6.57=43.94+9.62=2.87+0.02=35.7+9.64=
8.7-0.78=63.57-4.73=8.97+6.22=54-14.8=
9.67-6.19=82.02+1.25=5.41-0.04=42.69-5.04=
一、口算。
7.9+0.2=8+0.3=91.9-5=0.59-0.4=
7.5+0.7=8.5+1.5=7.9+0.8=0.97+0.14=
5.9-0.3=8.1+4.5=28.4-5=0.71+0.35=
7.1-0.8=8.3-0.6=8.5-2=0.51-0.37=
2.1+0.9=1.8+3.4=97.7-1=0.6+0.03=
二、笔算。
5.55+0.51=73.32+6.04=8.79+3.31=79.1+6.1=
9.1-2.63=99.49-7.4=4.48-0.74=52.97+7.08=
2.52-0.94=80.91-1.35=7.98+6.77=87.4+28.2=
9.25-6.04=79.56+1.65=3.55+0.21=68.12+8.45=
一、口算。
3.6+0.3=4.7+7.3=93.3-3=0.62+0.04=
3.1-0.6=7.3+3.8=7.4+4.2=0.74+0.34=
5-0.6=9.8+2.8=91.7+7=0.93-0.17=
4.3+0.5=5.8+1.9=6.8+0.3=0.88+0.31=
6.7+0.1=6.5+1.7=77.6+5=0.55+0.2=
二、笔算。
4.09+0.78=54.24-2.88=9.51-6.81=69.8+10.5=
9.4-3.06=78.52+8.52=1.96+0.57=12.99-9.61=
1.26-0.19=94.85+9.81=9.56-2.75=68.6+45.2=
9.23+6.45=79.95+7.21=1.38+0.33=
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