四年级数学下册小数加减法专项练习题11.docx
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四年级数学下册小数加减法专项练习题11
一、口算。
8.2+0.7=0.5+9.7=79.7-3=0.87-0.18=
3.7+0.4=8.8-1.9=9.8-3.3=0.99+0.06=
8.8+0.5=9.9+2.4=68.1-5=0.67+0.18=
3.9+0.4=7.5-4.1=9.8-2.3=0.77-0.08=
8.6+0.8=0.6+4.1=68.2+6=0.73-0.41=
二、笔算。
9.43+0.26=51.31-7.78=7.21+1.16=68.8+29.3=
8.03+1.99=13.76+7.01=8.18+0.4=88.72-9.59=
8.9+0.53=40.74+5.81=9.13-3.45=99.3+22.4=
7.76-2.48=84.57-7.04=1.02+0.12=91.89+6.66=
一、口算。
2.7-0.1=8.4+0.3=84.2-4=0.9-0.12=
4.5-0.9=6.9+1=9.1-4.9=0.62+0.33=
6.1-0.1=9.3+5.5=64.7+4=0.93+0.09=
3.1-0.1=8.5+0.9=6.5-3=0.52+0.19=
5.5+0.8=9+4.1=13.4-2=0.91+0.13=
二、笔算。
4.67-0.68=74.96+7.65=9.73-5.57=74-48.5=
9.72+4.71=17.37+3.05=4.01+0.45=84.68-9.39=
9.07+0.84=58.65+4.07=7.8+1.48=53.7+7.4=
9.28-1.18=19.86+8.81=5.32-0.41=56.38-1.05=
一、口算。
1.7+0.4=2.2+9.5=57.5+5=0.84+0.1=
4.1+0.9=6.6+2.7=7.8-3.9=0.5+0.31=
2.2+0.7=9.4+3.4=82.1-1=0.68-0.31=
4.4+0.1=9.8+4.7=6.4-4.2=0.65+0.31=
5.6+0.5=0.2+8.2=13.8+2=0.58+0.25=
二、笔算。
7.02-0.4=57.04+4.83=8.86-6.79=73.2+36=
8.21+3.61=55.08+2.42=7.35+0.57=54.01-7.68=
4.27-0.4=31.99-3.61=8.97+6.06=69.9+1.4=
7.01-4.72=57.18+9.55=8.22-0.17=32.73-1.04=
一、口算。
2.3-0.1=4.6+6.5=61.8-8=0.82-0.17=
6.4-0.5=5-4=9.7-0.6=0.53+0.04=
7.7+0.1=3.1+0.7=28.3-5=0.6+0.17=
4.1+0.5=8.7+1.9=7.5+5.9=0.51-0.37=
2.3-0.5=5.4+5.7=24.6+8=0.81-0.47=
二、笔算。
8.14-0.04=87.59-4.11=8.27+3.97=64.2-48.4=
8.6-2.44=88.58-1.64=6.36+0.67=60.88+6.25=
3.84-0.41=77.5+7.73=8.69-6.43=50.4-41.1=
8.42+4.96=43.03-5.33=3.06+0.05=87.84-9.62=
一、口算。
3.3+0.1=0.3+3.3=10.1-3=0.78+0.39=
4.7+0.1=6.4+0.1=8.4-0.5=0.54+0.39=
8.6-0.1=9.6+3.5=71.7-9=0.55-0.08=
4.1+0.8=8.5-3.7=8.2+0.9=0.7+0.29=
7.6+0.4=2.6+8.3=12.1+2=0.87-0.17=
二、笔算。
2.49-0.65=51.9+7.39=7.29-2.67=88.1-2.4=
8.04-4.93=39.48-6.47=2.53-0.11=19.29+8.7=
6.75-0.06=10.58+2.37=8.56-2.15=61.6+1.8=
7.29-3.61=26.06-6.72=5.16+0.83=25.74-5.28=
一、口算。
1.2+0.8=2.1+5=28.3+8=0.61+0.1=
2.9-0.7=9.7-4.7=8.2+2.7=0.66-0.42=
2-0.8=9.4+2.8=18.2-7=0.96+0.49=
2.9+0.2=8.8-3.4=8.4+2.4=0.88-0.41=
7.5-0.3=1.8+1.5=78.7+2=0.99+0.42=
二、笔算。
2.19+0.86=55.6+6.19=8.62+2.6=60.4+49.9=
9.75+2.75=92.35+4.43=9.25-0.57=93.9+7.95=
8.21-0.01=56.61-2.25=7.03+6.29=91.9+37.6=
9.8-1=66.12+9.94=7.88+0.69=82.41+5.21=
一、口算。
2.1+0.2=4.8+6.4=23.6+7=0.74+0.25=
8.9-0.4=5.4+3.5=8.2-1=0.88+0.35=
8.3-0.5=9.9+2.9=53.7-5=0.83+0.14=
7.5+0.4=7.8+3.8=6.1+1.7=0.78-0.49=
7.9+0.5=6.9+7.1=87.2-4=0.78-0.37=
二、笔算。
8.05+0.64=99.67-4.05=7.83-4.17=98.1+11.4=
8.85+3.61=33.83-9.96=2.84+0.37=25.34+1.43=
6.78+0.88=84.85-1.06=8.04-4.9=68.1-15.6=
8.44-5.47=41-3.66=9.56+0.81=20.81+6.16=
一、口算。
8.2-0.3=6.6+0.6=28.7+3=0.53-0.43=
6.8-0.4=7.1+4.5=9.1+3.2=0.87+0.4=
7.3+0.2=2.3+8=27.5-5=0.83+0.44=
3.8+0.8=7.8+1.5=9.7-2.6=0.61+0.49=
1+0.3=6.8+9.9=30.6+5=0.53+0.26=
二、笔算。
8.34+0.5=94.37+1.03=7.11-3.96=78-30.3=
7.3+4.66=81.45+2.7=3.34-0.57=60.85+5.68=
9.26-0.89=50.03+6.24=9.79+1.3=74+42.1=
9.62-2.28=19.09-8.48=4.18+0.09=97.29-2.24=
一、口算。
3.1+0.4=2.7+9.2=77.1-3=0.56-0.47=
2+0.4=7.1-1.4=8.6-4.5=0.67+0.27=
7.6+0.1=0.9+8.3=49.3+8=0.94+0.24=
6.2+0.3=6.7-2=7.7+5.1=0.5+0.1=
7.5-0.2=0.1+5.3=90.5+2=0.84-0.32=
二、笔算。
9.01+0.32=44.33-6.18=8.56-2.05=66.6+8.6=
8.26-4.99=67.23-2.52=9.27-0.78=24.71+7.17=
1.75-0.12=47.48+6.72=9.04+5.45=57.2+10.1=
8.96+4.84=24.06-5.47=7.6-0.5=59.58-7.85=
一、口算。
7.7+0.6=2.5+2.7=20.6+2=0.94-0.36=
5.4+0.2=8.9+2.7=7.3+5.5=0.88-0.43=
8.3-0.2=0.4+2.4=36.1+9=0.96-0.49=
6.3-0.7=5.8+3.8=8.9-1.2=0.51-0.28=
2.2-0.4=1.3+2.3=27.8-4=0.5+0.28=
二、笔算。
8.58-0.85=37.83+7.82=9.34+4.47=61.5+16.1=
8.39-3.8=50.12+8.12=3.96-0.82=66.07+9.89=
5.75+0.53=72.95+4.36=9.78+5.74=59.1-42.3=
7.73+5.99=41.06-4.72=1.6-0.52=89.2+6.04=
一、口算。
6.9+0.4=8.8+5.9=54.9+7=0.6+0.19=
2.1-0.1=6.9+4.9=6.7-4.7=0.63-0.17=
8.1-0.9=0.9+5=87.6+9=0.72+0.4=
1-0.2=8.5-3.9=6.9-4.1=0.66-0.31=
3.5+0.8=2.3+7.2=76.2+4=0.55-0.13=
二、笔算。
2.72+0.41=51.08+2.11=9.52+4.12=52-15.4=
9.16+2.64=62.34+3.84=6.04+0.84=40.78-3.07=
5.59-0.42=43.12+2.01=8.18+3.08=76.1-47.2=
9.41-3.27=28.97+8.07=1.07-0.06=64.83-4.74=
一、口算。
3.1+0.2=1.1+1.1=14.6-4=0.89-0.02=
7.6+0.8=5.5-2.8=6.7+4=0.73+0.37=
2.4-0.5=8.4+0.8=79.9-7=0.69+0.32=
6.8+0.1=9.4+3.2=8.7-4.7=0.53-0.07=
3.9-0.8=9+1.1=37.1-2=0.5+0.39=
二、笔算。
3.9+0.26=92.97+5.62=8.71+4.44=62.1+39.6=
8.47+2.04=97.67-6.49=4.49-0.37=31.51-4.68=
5.94-0.63=31.75+2.77=8.97+1.36=81-25.6=
7.1+5.72=54.81+9.54=9.83+0.25=53.69+4.66=
一、口算。
2.4+0.5=1.7+9.7=35.1+9=0.54-0.18=
1.5+0.2=5.2-4.7=8.3+3.8=0.59+0.33=
8.7-0.6=0.5+8.5=31.2-1=0.94-0.18=
7.3+0.4=7.7+1.3=6.5-4.2=0.62+0.16=
2.3+0.1=0.4+7.3=11.6+1=0.79+0.47=
二、笔算。
2.49+0.23=67.93-4.15=7.1+2.92=88.5+33.7=
9.03+5.38=51.11-4.99=4.67-0.98=63.54-7.18=
6.6-0.14=97.55-6.85=8.35+3.18=54.6+2.2=
8.17+4.27=93.21-1.83=1.66-0.75=87.91+3.51=
一、口算。
8+0.2=2.2+1.7=40.7+7=0.59-0.36=
7.3+0.7=7.5+4.6=7.7+5.6=0.9-0.03=
4.4-0.6=2.2+6.8=98.7+6=0.79+0.24=
2.1+0.9=8.6-2.1=6.6-4.1=0.96+0.1=
6.3-0.5=0.5+8.3=59.4+1=0.92-0.35=
二、笔算。
9.12+0.57=43.08-2.01=9.09-3.32=54.9+7.1=
9.15-4.55=77.98+3.29=5.04-0.45=97.57-8.23=
4.6-0.23=26-5.89=7.45+5.06=86.5+30.8=
7.79+3.2=62.54+7.75=9.03+0.4=88.24-9.61=
一、口算。
6.8+0.8=8.7+5.8=21.9+1=0.84+0.19=
3.1-0.3=8-1=8.1+0.9=0.76-0.12=
6.3+0.3=3.7+7.5=52.8+3=0.52+0.23=
7.2+0.9=7.9-2.7=6+3=0.86-0.46=
1.1+0.7=9.5+3.9=85.6+7=0.73+0.29=
二、笔算。
8.21+0.49=82.67-5.53=7.41-1.13=81.2-35.7=
9.49-2.16=69.88+6.29=9.1+0.51=63.12-1.58=
6.84+0.25=55.93+9.58=9.15+5.53=72.8+3.2=
8.12+6.72=18.58+3.36=9.22-0.35=77.82+6.16=
一、口算。
2.9+0.5=8.2+5.4=58.3-7=0.73-0.04=
4.8-0.5=5.7+0.2=8.9+5.2=0.64+0.49=
1.4+0.7=1.4+5.3=11.1-1=0.84+0.28=
6.2-0.2=6.8-0.5=6.6-3.7=0.91-0.12=
2.9+0.4=6.2+4.4=85.1-1=0.84-0.16=
二、笔算。
4.73-0.57=26.02+6.89=8.3-6.96=88.1-35.4=
9.26-5.41=77.9-2=7.64-0.59=68.72-8.97=
2.37-0.36=76.12-1.4=8.59-2.59=79.7-15.8=
8.88+2.79=13.34+5.11=5.5+0.41=12.26-8.59=
一、口算。
2.3+0.2=9.5+8=45.5-9=0.74-0.21=
5.7+0.9=8.5+4.6=9.8-5=0.74-0.26=
5.9-0.6=2.4+5.3=56.4+7=0.79+0.16=
1.8+0.8=6.6+4.9=8.1-5.7=0.92+0.32=
7.8-0.3=9.5+8.4=99.6+9=0.58-0.16=
二、笔算。
7.54-0.87=47.9-2.32=9.45+4.64=70.7-17.1=
7.92+6.04=88.68+8.45=3.86-0.46=21.72-6.76=
7.78-0.74=40.02-9.59=8.15-2.25=80.8-26.4=
9.45+4.79=14.2-7.12=5.09+0.7=80.66+8.29=
一、口算。
5.9+0.7=2.4+2=21.4+6=0.95+0.26=
7.7-0.4=7.7+0.9=6.3-1.9=0.52-0.21=
8+0.8=5.5+0.7=64.8+5=0.64-0.14=
4.3+0.4=7.5-3.5=9+3.5=0.76-0.23=
5-0.3=3+7.6=87.8+8=0.6-0.38=
二、笔算。
5.75-0.21=93.94-9.68=8.62-2.58=64.5-36.7=
9.74-4.93=31.37+5.5=2.63-0.12=55.08+5.86=
1.95+0.66=38.02-6.11=9.8-6.72=67.3+6.4=
7.01-3.19=77.95+4.75=1.48-0.9=48.5+3.82=
一、口算。
6.2+0.4=8.4+8.9=45.2-4=0.69+0.29=
3+0.7=9.7+1.3=8.2-5.4=0.97-0.35=
8.6-0.7=6.5+7.4=49.2+6=0.87+0.32=
8.4-0.2=7.7-4.4=9.1+0.2=0.86-0.4=
2.4-0.7=8.3+0.7=31.6-5=0.87+0.45=
二、笔算。
7.91-0.41=71.11+2.76=7.05+1.18=50-2.8=
9.12-2.83=46.86-2.05=9.12+0.53=48.69+6.17=
6.15+0.8=83.03+6.03=8.47+1.39=85.1-38.1=
8.23-5.26=98.34+6.21=3.74-0.47=82.09-1.65=
一、口算。
5.7-0.3=1.1+9.2=15.9+4=0.91-0.37=
5.3-0.1=9.2-1.6=9.1+3.7=0.88+0.25=
5-0.4=2.8+5.6=99.8-1=0.71-0.4=
3.3+0.3=8.7+3.5=7.3-5.5=0.96+0.42=
1.1+0.3=1.8+1.2=89.7+2=0.75-0.01=
二、笔算。
7.87+0.33=73.68-1.27=7.03+3.48=92+38.8=
8.82+4.69=78.33-4.01=5.54+0.79=22.49+8.22=
6.05+0.46=91.19-5.52=7.94+1.37=50.8+20.2=
9.89-6.35=76.87+1.15=1.17+0.12=38