人教版四年级数学下册小数加减法综合练习题55.docx
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人教版四年级数学下册小数加减法综合练习题55.docx
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人教版四年级数学下册小数加减法综合练习题55
一、口算。
8.5-0.5=4.9+1.5=81.2+8=0.79+0.31=
5.5+0.7=7.2-2.5=7.1+1.5=0.54-0.21=
6.2+0.7=8.3+1.8=19.3+3=0.75+0.22=
6.1-0.9=9.6+1.8=7-1.3=0.96+0.08=
8.9-0.6=5.9+3.1=11.3+7=0.8-0.08=
二、笔算。
2.49+0.12=99.17+1.59=9.59-2.68=56.1-31.6=
9.22-6.45=58.34-5.39=7.43-0.48=18.33-9.43=
2.07+0.32=60.46-4.04=8.32+1.72=93.9-44.2=
9.27-1.98=12.15-2.74=7.07+0.95=24.58+8.46=
一、口算。
7.3+0.5=3.8+8.3=33.1+2=0.53-0.24=
3.9+0.7=6.2+4.1=9.8-4.4=0.68-0.09=
4.8+0.1=7+0.6=91.4+9=0.99-0.14=
8.7-0.7=6.7+1.7=8.8-0.4=0.65-0.12=
2.4-0.8=2+0.6=35.2-9=0.86+0.2=
二、笔算。
3.23+0.14=65.96+3.6=9.5-1.12=82.3+26.6=
8.07-2.95=39.58+7.16=7.34-0.94=51.9-2.93=
1.35-0.1=74.18+9.49=9.28-4.3=85.9-3=
7.59+5.79=91.98+2.47=3.37-0.63=20.14-3.4=
一、口算。
4.9+0.1=5+8.3=32.4-5=0.61-0.14=
4.9+0.5=8.9+4.2=6.4-4.3=0.62+0.39=
7.3+0.6=6.9+5.6=89.1+2=0.63-0.11=
2.5-0.2=5-2.8=7.8-5.5=0.91+0.25=
1.4+0.3=9.6+5.2=97.4+6=0.78-0.03=
二、笔算。
8.14+0.38=58.03-7.3=7.57-4.71=81.8-18.9=
9.28-3.65=29.57+8.63=7.44+0.6=40.98-6.39=
1.8+0.51=54.81-4.77=9.99-4.58=57.8+38.8=
7.35+3.07=53.14+3.86=9.86-0.37=39.01-8.36=
一、口算。
7.1+0.6=7.4+7.2=22.8+6=0.83+0.35=
9-0.3=9.1+3.6=8.4+1.2=0.6+0.27=
3.9+0.3=6+8.6=82.2+8=0.94+0.04=
1.6-0.2=9.2+0.2=9.3+1.7=0.53+0.18=
6.9+0.4=0.9+4.6=83.8+1=0.84+0.09=
二、笔算。
5.28-0.68=77.04+1.32=9.5+5.31=97.7-45.2=
9.08+5.23=85.09+2.51=8.6+0.05=40.63+2.56=
8.95+0.43=34.63-1.34=8.71-4.88=67.3-14.1=
8.1-5.58=13.37-5.48=5.6+0.15=46.81+3.52=
一、口算。
9+0.7=0.9+5.2=98.9-1=0.72+0.31=
4.5-0.2=8.9-1.6=8.7-1=0.99+0.03=
2.7-0.3=6+8.8=86.7+7=0.63-0.09=
7.7+0.6=6-0.9=6.9+2=0.91-0.22=
8.8+0.1=4.6+2.2=71.3-7=0.95-0.42=
二、笔算。
9.59-0.74=86.84-1.22=7.21-6.88=69.7-36.2=
8.76-2.13=93.56+3.44=6.42-0.39=33.16+2.98=
9.71+0.99=39.28+2=8.26+3.77=82.1+3.7=
8.58+6.34=39.87+7.78=8.92-0.26=97.98-5.19=
一、口算。
7.6-0.9=1.7+9.7=22.4-3=0.75+0.16=
7.7+0.2=7.7-2.4=6.4+5.8=0.8-0.24=
5.3+0.9=7.5+7.2=34.8+6=0.74+0.38=
8.9+0.9=5.6-1.8=7.8-1.7=0.91-0.18=
6-0.8=9+4=95.5-7=0.51+0.21=
二、笔算。
7.8+0.25=13.1+5.97=7.62+3.66=78.5-34.3=
9.09-1.63=39.16+9.8=9.67+0.22=90.48-2.68=
8.64-0.61=69.94-5.54=7.84+4.07=50.6+28.5=
9.61-2.73=18.74-5.61=1.26+0.13=42.07-2.41=
一、口算。
2.8-0.6=2.1+7.2=53.6-7=0.66-0.01=
6.9-0.6=5-0.9=6.1-4.9=0.64-0.28=
7.9-0.3=4.6+2.4=85.7-3=0.51+0.06=
6.8-0.1=5.3-1.9=6+0.8=0.71-0.33=
6.1-0.1=5+7=36.4+9=0.85+0.02=
二、笔算。
5.98+0.45=21.81+2.05=7.29-5.32=74.3-35.4=
8.1+1.55=93.34-4.53=8.47+0.32=13.75-4.09=
6.28+0.23=84.74-2.13=9.43-5.02=59.3-22.9=
9.89-5.15=51.8+6.42=3.36+0.46=56.03-3.3=
一、口算。
5+0.9=3.2+8.2=15.8-7=0.85+0.44=
2.2+0.7=5.3+4.4=7.3+1.6=0.77-0.16=
7.7+0.5=8.9+4.1=44.6-4=0.77+0.13=
5.5-0.7=7.7+4.6=7.5+5.1=0.95-0.02=
7.1-0.2=0.1+2.4=93.8+3=0.94-0.25=
二、笔算。
7.61-0.51=95.1-7.06=7.02+1.02=85.4-35.8=
7.48-2.42=53.32+3.4=2.03-0.26=93.89+5.15=
3.3-0.97=75.15+5.76=8.06+4.07=63.1+47.7=
8.88+5.83=71.28-6.15=7.81+0.3=34.62+1.63=
一、口算。
7.7-0.9=5+7.1=94.4-5=0.75-0.13=
7.8+0.3=6.5+4=8.3-3.9=0.9-0.15=
3.9-0.6=9.1+9.3=20.2+5=0.78+0.01=
4.7+0.9=5.4-0.9=8.3+0.5=0.94+0.05=
4.6+0.9=3.1+3.8=51.2+5=0.74+0.18=
二、笔算。
4.67+0.55=98.73-8.44=8.35-3.69=77.9-1=
7.63-4.19=30.68-9.79=2.16-0.6=66.76+7.51=
4.21-0.39=51.77-5.71=7.45+5.4=89.4+35.1=
8.28-4.02=53-6.54=9.09-0.15=44.27+5.5=
一、口算。
1.8+0.8=6.9+5.4=30.8-7=0.5-0.26=
8.2-0.8=9-3.8=9.5+1.4=0.82-0.29=
6.5-0.1=7.3+4.1=80.4+8=0.89+0.3=
7.5-0.8=8.1+1.7=6.3-2.6=0.57+0.47=
3.7-0.4=8.2+3=66.2-1=0.83-0.41=
二、笔算。
5.59+0.71=13.01-2.81=8.07-6.3=77.8+33.5=
8.79+5.4=85.14-6.82=6.39+0.84=45.14-4.76=
5.74+0.25=36.19+7.79=9.94+2.77=93.8+40.8=
9.82+2.23=26.36-3.76=2.62-0.12=34.37+6.06=
一、口算。
2.4+0.7=6+3.7=49.8-3=0.68-0.16=
2.9-0.9=6-1.5=7-2.1=0.95+0.16=
6.3-0.5=8.9+1.7=47.2-5=0.68-0.18=
2.4+0.1=5.7-2.5=9.1-3.6=0.91+0.25=
3.9-0.9=2.4+4.5=85.6-8=0.71-0.36=
二、笔算。
6.87-0.95=38.73-5.12=7.29+4.1=85.9+47.9=
7-2.35=44.52+4.81=6.5+0.84=48.09-4.91=
3.39-0.1=28.31+6.31=9.12+2.86=66.7-25.4=
8.59-6.56=63.63-6.01=1.64+0.89=43.18-5.22=
一、口算。
2.1+0.7=0.6+7.1=64.7-6=0.87-0.27=
4.5-0.4=6.5+4.6=9.5-2.5=0.69+0.02=
4.1+0.9=1.6+3.9=78.2-6=0.7-0.21=
9+0.5=5.9-1=8.4+5.9=0.68-0.42=
6.2+0.2=0.7+9.6=28.3+8=0.82-0.3=
二、笔算。
5.92+0.19=75.32+3.61=8.39-1.64=73.1-41.8=
7.13-2.43=57.27+1.02=2.92+0.62=87.13-2.7=
5.78+0.09=26.38+4.91=8.39+4.81=89.7+35.3=
8.81-2.21=68.17+7.73=8.16+0.52=74.41+3.93=
一、口算。
2.9-0.9=2.1+6.9=53.9-6=0.96+0.36=
3.6+0.3=9.6-1.9=8.4+3.4=0.74+0.37=
4.3-0.6=8.2+4.3=82.9-3=0.77-0.12=
7.2+0.3=8.9-0.6=9.1+5.4=0.8-0.28=
1.5-0.6=7.3+7=36.4-3=0.86-0.41=
二、笔算。
1.61+0.26=21.67+2.5=9.81+4.87=67.9+40.7=
8.27-2.35=62.22+6.5=1.32+0.76=54.97+7.2=
9.73+0.34=16.85+3.63=7.98+3.44=75.1-16.3=
9.75-4.55=83.63-9.5=2+0.94=94.63+7.39=
一、口算。
8.5-0.7=7+2.8=90.4-5=0.68-0.14=
8.2-0.2=7.9+3.1=6.8-5.7=0.57+0.48=
5.3-0.4=7.7+1.3=13.4-4=0.65-0.02=
2.1-0.3=5.6+3.4=6.1+1.8=0.86+0.39=
7.6-0.1=5.2+8.9=71.6-1=0.91-0.35=
二、笔算。
6.73+0.46=58.38-6.27=8.39+6.73=88.6+12.3=
8.32-3.5=59.13+4.47=4.84+0.87=90.63-7.81=
7.52-0.07=87.67+8.01=9.4-1.36=70.1+39.2=
8.11+5.41=64.56-3.93=2.18-0.98=36.19-5.56=
一、口算。
3.7+0.2=6.4+7.4=97.6-6=0.59+0.45=
3.4-0.9=6.1+4.3=8.3+0.6=0.56-0.03=
6.3-0.7=3.9+9.3=56.9+7=0.92-0.4=
8.5+0.4=9.1+3.5=8.4+3.4=0.51+0.33=
6.3+0.4=3.4+3=26.8+2=0.99+0.36=
二、笔算。
6.13-0.96=86.54-4.7=9.72-3.4=51+3.4=
9.39+5.33=96.85+5.49=2.68-0.01=51.4-5.5=
1.06-0.62=42.56-9.86=9.97-2.22=65.2-12.3=
8.74+5.57=90.53+8.24=5.37+0.72=49.45+9.23=
一、口算。
4.4-0.1=5+1.3=47.5+5=0.87-0.28=
6.1-0.1=5.9-4.3=9.5-1.4=0.54-0.07=
6.5+0.1=8.9+8.4=40.7+2=0.86-0.49=
5.2+0.2=6.3-1.7=8.4-2.9=0.88-0.08=
3-0.4=7.4+2.6=39.7-6=0.54-0.19=
二、笔算。
8.16+0.56=15.84-2.41=7.27-4.83=99.5-48.8=
8.88+2.67=15.73+6.63=9.03-0.38=78.19+8.37=
7.14+0.37=32.81-9=7.77+6.59=78-8.9=
9.4-2.63=19.55+8.09=8.26+0.95=73.87-4.55=
一、口算。
5.5+0.3=1.1+6.8=77.7-3=0.59-0.03=
4.1+0.8=7.6+1.1=8.2+5.4=0.63+0.4=
3.7-0.2=2.6+2.5=20.8-9=0.93+0.25=
6.4-0.3=5.3-3.3=6.3-0.9=0.78-0.23=
3-0.2=5.2+3.9=73.8+5=0.92-0.29=
二、笔算。
3.56-0.56=19.41+9.76=7.8+4.26=80.1+17.5=
7.73+3.33=58.12+1.36=2.65+0.51=38.36-7.19=
9.83-0.95=45.33-5.67=9.57-4.83=74.6+7.6=
8.99+6.25=98.2-4.03=4.1+0.31=91.22-1.72=
一、口算。
5.2-0.4=3.3+8.4=68.6+6=0.79+0.13=
7.6-0.9=9.6-1.1=8.4-5.7=0.69+0.31=
3.4+0.8=4.8+1.4=91.9-3=0.68+0.33=
8.9+0.6=9.6-3.1=7.3+4.6=0.68-0.18=
8-0.1=2.9+9.7=71.5-8=0.8+0.35=
二、笔算。
8.7+0.46=72.94+8.42=7.87+1.7=77.3-20=
7.96+6.71=94.28-1.12=8.45+0.77=78.03-9.07=
9.86+0.9=17.41-6.17=8.59+1.53=75-31.1=
9.14-3.56=63.15-8.07=1.68+0.6=98-8.45=
一、口算。
1.2+0.6=3.2+6.4=87.2+8=0.83+0.08=
8.6+0.1=9.1+3.8=7.5-2.5=0.54-0.44=
6.7-0.3=1.2+0.6=60.5+7=0.92+0.42=
5.6-0.9=9.5-1.8=9.3+2.1=0.5-0.13=
4.1-0.4=3.6+1.4=42.6+6=0.62-0.3=
二、笔算。
2.98+0.74=35.23-3.16=8.17+2.51=83-3.5=
7.6-5.14=58.61-7.46=3.53-0.06=47.92+7.44=
5.59+0.16=33.96+9.24=7.98+3.13=54.9+4.2=
7.53-5.47=56.66-6.53=7.08-0.25=56.26+5.73=
一、口算。
4.6-0.1=3.9+8.9=52.6+6=0.8-0.1=
1.7-0.4=7.5+3.4=7.2+4.1=0.58-0.3=
1.6-0.6=5+9.1=71.5+3=0.85+0.22=
5.5-0.3=9.3+2.4=8.1-0.6=0.58-0.46=
1.5+0.7=9.7+6.9=18.1+9=0.62+0.02=
二、笔算。
5.82-0.53=54.88-5.33=9.52-6.38=83.7-3.4=
9.56+4.04=87.49+9.12=7.02+0.74=68.89-3.76=
7.08+0.69=10.81+4.89=9.68+5.52=99.4-15.8=
8.03+2.42=85.12+3.57=6.71-0.92=51.22+4.84=
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