人教版四年级数学下册小数加减法综合练习题112.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112.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112
一、口算。
1.7-0.2=5.3+3.2=57.4-7=0.88+0.03=
6.4-0.3=5.7-4.6=9.8-4.2=0.69+0.15=
2.4+0.6=9.1+8.3=18.5-1=0.86+0.35=
7.8+0.5=6.3-1.6=9.6+2.6=0.91-0.43=
3+0.6=4.3+7.8=53.3+7=0.71-0.4=
二、笔算。
5.04+0.44=19.79+9.98=7.27-3.77=87.2-21.2=
7.01+4.52=38.93+2.85=3.16-0.69=75.95+6.24=
5.93-0.05=83.6-7.31=8.52-2=56.3+6.9=
9.6+6.27=11.11+5.24=8.7-0.98=92.28+3=
一、口算。
6.4-0.3=1.1+5.2=73.9-3=0.5-0.47=
2.8+0.5=5.3-4.2=7+0.5=0.86+0.05=
2.2-0.2=9.9+5.6=61.7+4=0.77-0.41=
6.5-0.7=7.2-4.2=8.5+4.5=0.68+0.36=
7.2-0.3=5.8+5.9=32.8+3=0.76+0.49=
二、笔算。
9.93-0.27=86.05+7.27=9.22-2.9=52.1-47.8=
8.14+3.96=41.44-4.29=7.93-0.95=67.51+5.71=
6.89+0.64=52.91+6.34=7.31+1.48=90.7+43.8=
7.74-4.17=58.82+2.19=2.5+0.91=22.88-1.72=
一、口算。
8.6-0.1=8.6+0.6=65.6+1=0.57-0.15=
7.4+0.1=8.5-4.4=7.3+1=0.78+0.46=
1.1+0.8=6.6+5.1=78.9-9=0.86-0.45=
3.2-0.4=5.1+2.2=7.8-4.6=0.94+0.23=
4.7-0.4=2.2+4.4=91.3-7=0.53+0.37=
二、笔算。
6.9+0.37=28.43-7.51=9.15-6.69=92.6+1.8=
7.44+1.06=73.81-7.7=3.53-0.98=87.61+5.63=
2.53-0.22=14.72-4.33=9.75+2.84=65.8-45.2=
7.78+2.74=50.05+5.74=9.16+0.33=72.94-1.14=
一、口算。
2.5-0.4=7.6+6.3=57.4+1=0.53+0.01=
5.2+0.6=6.3-3.9=8.6+5.2=0.91+0.05=
7.6+0.7=2.4+7.1=14.6+5=0.84-0.33=
3.5-0.4=6.2+0.4=9.3-1.9=0.68-0.31=
7.9+0.1=2.3+7.8=93.6+2=0.5-0.23=
二、笔算。
3.79-0.52=21.09+7.42=8.38+4.85=77.1+29.1=
8.43+4.25=33.5+2.5=6.39-0.71=25.41+9.87=
3.1-0.18=50.36+3.28=9.63+6.86=77.3+30.5=
9.53-5.85=19.82-4.31=4.62-0.74=11.47-5.24=
一、口算。
7.3+0.5=4.8+1=55.1+7=0.84+0.33=
7.4+0.8=8.5-2.7=8.3-4.9=0.69+0.4=
7.4-0.5=9.7+0.9=54.6-1=0.66-0.01=
3.4-0.4=7.6-2.7=9.1-2.5=0.58-0.36=
3.5+0.7=2+5.6=23.8-6=0.83+0.46=
二、笔算。
4.49+0.86=28.88+4.82=7.03+6.77=57.7+6.1=
7.93+4.97=47.29+9.31=5.33-0.76=78.07+8.13=
2.94+0.14=17.58+7.17=7.34+6.74=96+2=
8.17-2.05=45.3-6.01=8.74+0.07=28.04+7.3=
一、口算。
4.3-0.1=0.7+7.9=75.8-6=0.97-0.41=
6.6-0.8=8.7+3.5=6.9+1.1=0.73-0.48=
3.7-0.6=0.4+0.8=99.1+4=0.78-0.12=
4.3-0.3=5+0.8=9.5+3.9=0.71+0.27=
2.7-0.2=6.6+4.8=18.8+4=0.7+0.46=
二、笔算。
3.87+0.14=10.57-5.34=9.86-3.42=84.1-16.5=
9.83-5.44=17.3-7.57=4.19-0.71=80.18-2.11=
1.39-0.55=28.76+7.2=8.25+3.68=67.2+45.9=
9.81-1.72=16.85+5.45=3.55+0.88=82-7.62=
一、口算。
5.6-0.7=7.6+6.8=66.7+2=0.74-0.34=
6.8-0.1=9.5-4.5=7-2.5=0.83-0.27=
8.1-0.6=3.6+1.1=21.9-8=0.96+0.07=
5.1+0.9=8.5-1.9=8.3-2.4=0.94+0.43=
3.6+0.9=9.5+4.2=20.7+6=0.96-0.16=
二、笔算。
7.98+0.16=67.51-1.49=9.87-4.59=64.7-2.9=
9.58+6.19=69.68+2.84=7.43+0.14=21.61-4.87=
9.26-0.73=91.26-2.66=8.32+4.6=82.6+20.2=
8.41+6.76=76.52-3.25=5.04+0.86=12.12-5.87=
一、口算。
3.5+0.5=2.4+0.2=79.5+5=0.97+0.05=
8.1+0.7=5.8+2.3=6.7+2=0.72-0.28=
9+0.1=5.5+5.4=27.4-5=0.78+0.19=
6.4-0.7=6.2+3.6=8.9-1.1=0.95-0.48=
8.3-0.7=4.1+4.7=20.3-4=0.68+0.13=
二、笔算。
2.01+0.77=31.66+3.69=8.99-6.21=76.8+21.2=
7.41+5.29=88.9-6.72=2.45+0.32=55.46+8.1=
6.05-0.68=77.81+3.12=9.14-3.03=52.6+47.4=
9.96-2.32=16.75+2.72=5.92-0.69=44.82-4.14=
一、口算。
3.5-0.5=0.3+5.3=11.4+6=0.8-0.48=
6.5+0.8=5+0.6=8.8+1.8=0.63-0.34=
8-0.2=0.6+7.1=61.4-2=0.8-0.29=
2.8-0.2=6.5-2.7=9.4-1.1=0.77-0.46=
7.1+0.9=9.9+7.6=91.6+8=0.77-0.04=
二、笔算。
5.8-0.34=51.93-1.77=7.31-3.79=71.7-42.8=
8.75-6.82=83.95-2.43=4.52-0.38=13.08+5.67=
8.78-0.78=18.5+8.22=7.38-5.03=72.7-20.6=
9.56+4.58=16.78-6.14=4.07+0.13=75.13+2.42=
一、口算。
7.1-0.6=4.2+1.2=45.8-5=0.68-0.45=
7.5+0.4=7.7+2.9=9.5-5.9=0.74+0.07=
8.2+0.3=5.5+0.7=41.9-7=0.7-0.05=
5.8-0.1=8.3-2.5=9-5.8=0.95+0.45=
7.7-0.9=6+2.2=70.6+7=0.86-0.06=
二、笔算。
1.35+0.54=30.07-9.33=8.56-1.07=78.4-46.7=
9.23-5.69=15.46+5.94=3.18-0.78=67.01-2.84=
2.98-0.47=65.68-5.29=9.07-2.15=73.4-26.7=
7.76-1.41=24.11+4.84=9.04+0.48=28.53-1.75=
一、口算。
7.2-0.9=7.4+3.5=97.3-9=0.8+0.23=
5-0.9=5.5-4.9=8.8+5.9=0.97-0.34=
6.3+0.6=9.5+4.3=52.6+1=0.83-0.06=
1.4+0.1=6.4+0.4=7-0.7=0.88+0.2=
6.9-0.8=4.3+7.4=81.8+5=0.53+0.4=
二、笔算。
2.92-0.55=34.67+3.73=9.35-2.57=56.9-45.1=
8.19+2.44=66.47-7.11=9.91+0.93=71.99-2.3=
3.72-0.3=13.79-7.37=8.47+3.56=59.6+14.9=
7.71+2.38=20.98-5.33=9.16+0.52=94.04+9.68=
一、口算。
1.5-0.7=2.3+9=74.1+1=0.75+0.38=
5.6+0.4=9.3-1.2=6.2-5.9=0.75-0.48=
8.6+0.2=0.2+9.6=29.1+8=0.91-0.34=
4.4+0.8=7.2+2.9=6.4-0.3=0.88+0.45=
6.9+0.8=2.1+6.9=15.4-7=0.63+0.09=
二、笔算。
6.44+0.58=91.53-9.86=7.87-5.75=77.6+39.3=
7.6+2.94=48.39-3.2=8.26+0.68=13.47-8.7=
8.07+0.19=20.68+9.02=9.25-1.36=66.9-34.8=
7.19+2.26=26.77+3.23=9.49+0.54=77.1-4.25=
一、口算。
3.6+0.9=2.8+8.3=77.3+5=0.84+0.19=
2+0.6=6.5-3.5=7.4-1.9=0.71+0.34=
1.8-0.3=5.8+8.9=96.6-4=0.7-0.07=
8.2+0.7=7-0.2=9.2-4.5=0.81-0.31=
6.8+0.2=7.7+3=67.5-8=0.94+0.4=
二、笔算。
4.31-0.55=54.19+8.88=7.57-4.5=54.9+15.9=
9.44+2.89=43.46-8.61=3.27-0.46=31.26+6.46=
8.22+0.15=88.36+7.57=7.12+2=66.6+9.6=
9.19+1.83=53.5+6.93=5.65+0.25=83.51-1.24=
一、口算。
6.7+0.4=3.2+1.1=81.9-8=0.76-0.32=
4.8-0.5=6-0.4=6.9-0.7=0.55-0.1=
5-0.1=4.4+9.3=79.7+2=0.65-0.04=
4.8+0.7=6.1+2=9.6-3.6=0.69-0.23=
6.7+0.1=6.5+5.2=28.8+8=0.83+0.43=
二、笔算。
9.27+0.28=93.74-5.45=8.06-1.2=52.9-14.5=
7.62-5.04=60.46-5.78=7.72-0.04=38.32+8.11=
6.91+0.68=29.33-7.31=8.63+4.85=65.1+43.9=
9.26+6.23=61.11-1.9=8.7+0.92=90.78+6.2=
一、口算。
8.2+0.1=5.4+1.4=65.5-3=0.82+0.09=
7.6-0.4=7.1+3.4=9.7+2.7=0.61-0.25=
7.1-0.9=8.7+6.4=40.6-4=0.81-0.09=
1.8+0.3=9.9+2.9=8.5+4.5=0.96+0.15=
4.7-0.8=8.4+2.6=21.1+8=0.91+0.15=
二、笔算。
8.94+0.93=52.32+7.52=8.99+2.5=72.6-19.3=
8.98+1.57=78.92+9.69=8.78-0.4=41.06+7.39=
9.34-0.64=70.16-1.81=8.84+3.68=75.4-36=
7.67-4.02=52.05+2.88=6.52-0.44=76.45-2.18=
一、口算。
3.6-0.9=7.9+4.1=16.6+1=0.62-0.18=
7.7+0.4=7.7-2.4=7.9-5.7=0.96-0.18=
1.7+0.4=3.4+7.8=54.5+9=0.85-0.33=
2.5-0.8=6-1.8=9.8+0.9=0.82+0.4=
5.4-0.8=3.6+5.5=57.6-9=0.63+0.01=
二、笔算。
3.98+0.57=82.72+1.9=9.85+5.68=92.1-4.3=
8.77+5.34=77.4-9.86=7.68-0.96=71.01+9.59=
1.48+0.11=35.9+4.02=7.54-3.46=82.6-43.8=
8.05-5.25=95.26+2.52=1.65-0.78=85.94+9.47=
一、口算。
7+0.6=0.1+7.7=64.2+7=0.98+0.16=
4.5-0.2=7.2-0.7=9.1+2.6=0.78-0.42=
2+0.7=0.1+2.9=40.6-8=0.72-0.25=
7.7-0.5=5.8-3.9=8.5+5.1=0.76-0.24=
1.5+0.9=6.3+0.8=83.8+4=0.61+0.29=
二、笔算。
8.08+0.19=99.91-7.7=9.66+1.89=71.9-41.4=
9.5+2.49=92.8-3.72=6.67-0.31=44.76-2.22=
8.92+0.64=17.38-8.82=9.11-4.92=64.7+7.6=
8.12-4.06=13.5+2.03=3.32+0.89=59.83-1.98=
一、口算。
3.1-0.4=6.3+3=30.1-3=0.8-0.37=
4.4-0.2=8.1-4.1=6.8+0.5=0.78+0.13=
1.1-0.5=7.5+9.6=54.4+3=0.62+0.37=
2.3-0.1=7.4+4.8=9.8-1.7=0.87-0.08=
1.7-0.1=4.2+0.2=86.1+1=0.83+0.02=
二、笔算。
4.98+0.39=42.69-7.91=8.67-2.13=68.6-10.6=
9.66+3.83=71.53+6.96=2.41-0.59=78.76+5.32=
4.15+0.67=72.84-9.74=9.41+6.45=91.1-16.9=
9.72-4.04=18.01-9.81=7.94+0.52=58.95+8.26=
一、口算。
6.1+0.3=4.1+2.9=13.4+9=0.5-0.16=
5.1-0.5=7.7-2.8=7.3+4.3=0.8+0.07=
8.4+0.6=7.5+3.9=83.9+5=0.78-0.08=
2+0.8=9.6-3.5=9.5+5.5=0.62+0.11=
5.2+0.3=3.1+2.3=62.7+8=0.83+0.12=
二、笔算。
4.32-0.44=16.51-8.17=9.06-1.92=59+36.2=
9.49+4.69=46.39-3.86=2.75+0.22=20.31-9.24=
2.63-0.06=73.61-4.77=7.36-1.81=60-21.1=
8.95+4.09=57.57-3.8=3.5+0.99=20.92+4.89=
一、口算。
4+0.4=6.4+1.4=27.3+3=0.65+0.31=
7-0.4=7.6-1.2=8.2+2=0.76+0.4=
5.6-0.1=5.4+6.8=44.2+2=0.82-0.27=
5.2+0.4=5.1+2.6=9.9-3.4=0.64-0.4=
8.6+0.1=2.8+8.6=16.3-7=0.59+0.41=
二、笔算。
2.24-0.06=92.57+3.17=8.69+1.91=68.3+11.4=
9.81-2.42=88.3-8.5=5.06+0.07=67.83-6.56=
8.83-0.15=23.18+2.36=7.62+2.33=51.7+22.6=
8.9+3.47=55.32+5.97=3.12-0.
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