人教版四年级数学下册小数加减法综合练习题40.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40.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40
一、口算。
3.7+0.3=5.7+8.8=66.8-3=0.53+0.13=
2.2-0.3=9.1-4.8=6.7+0.3=0.66-0.39=
7.4+0.9=1.4+4=50.2-8=0.55+0.26=
6.6+0.6=7.7-0.3=6.9-2.2=0.98-0.16=
4.9-0.1=3.6+8.8=53.7-5=0.5-0.09=
二、笔算。
7.9-0.87=41.13+8.61=7.43+6.33=68.1-7.3=
7.3-1.89=46.41+9.4=8.51-0.03=18.03+3.48=
6.86+0.06=94.06+1.07=9.09+2.77=74.2-46.7=
7.76-1.44=17.33+7.84=5.82-0.53=62.12-6.14=
一、口算。
4.4-0.1=6.9+1.2=86.4+3=0.66-0.34=
2.6+0.7=6-1.7=8.5-2=0.79+0.16=
1.3-0.4=6.8+7.4=34.7+1=0.85-0.38=
9-0.3=5-4.2=6.4+3.4=0.93+0.05=
5+0.4=4+1.5=47.6-8=0.93+0.39=
二、笔算。
1.79-0.94=34.15-8.1=7.6+1.79=56.1+35.1=
8+3.38=24.4-6.77=9-0.63=91.16-2.45=
3.34-0.78=72.36-8.27=7.56+2.49=99.6+16.9=
8.81+4.54=43.29+6.21=5.93+0.08=18.08-8.02=
一、口算。
8.3+0.5=6+9.1=34.8+7=0.92+0.01=
2.9+0.6=6.7+3=7.6+1.2=0.67-0.21=
1.6-0.9=6.9+9.2=42.8-9=0.57-0.11=
1.3-0.7=5.1-4.7=7.7+3.8=0.77+0.03=
6.6-0.5=2+3.3=80.1+3=0.72+0.3=
二、笔算。
9.9-0.35=19.77+9.86=8.32-5.57=69.6+18.4=
7.95+4.65=29.51-7.48=7.49+0.71=51.46+8.59=
7.05-0.75=48.74+9.24=8.56-2.25=54.1-15.7=
9.11+2.21=50.12-3.93=8.38+0.89=40.2+5.01=
一、口算。
1.9-0.1=5.9+3.5=25.8+3=0.61+0.46=
1.9+0.3=8.9+1.9=7.9+0.8=0.66+0.15=
6.7-0.1=0.9+6.6=29.3+2=0.82-0.48=
4.7+0.8=8.7-4.4=7.3+2.4=0.97+0.27=
2.6+0.8=8.7+5.7=65.2+4=0.67-0.12=
二、笔算。
9.35-0.71=11.18+4.35=8.17+1.04=68.8-25.1=
7.94-6.08=26.84+3.74=5.25+0.11=93.29-7.43=
4.37+0.07=40.22+1.84=9.63-3.31=94.9+45.6=
7.54-4.52=10.63+6.19=9.02+0.37=25.88-2.51=
一、口算。
3.3+0.8=6.6+9.5=39.4-9=0.85+0.22=
3.3+0.5=5.3-2.8=6.9+4.6=0.62-0.47=
6.7-0.9=0.1+4.1=19.5+7=0.69-0.13=
6.2-0.6=8+1=7.4-5.8=0.91+0.4=
2.6-0.3=4.7+8.7=71.9+3=0.51+0.3=
二、笔算。
4.02+0.07=44.94-2.83=9.4-2.26=65.1-25.9=
7.32+3.48=71.97-1.34=3.02+0.3=68.92+2.82=
9.87-0.6=58.33+9.09=7.16+2.01=86.9-10.7=
9.63-4.05=20.43-9.26=4.9+0.17=69.53+9.78=
一、口算。
5.4-0.2=2.2+6.4=13.8-1=0.75-0.16=
1.1+0.6=9.4+3=8+1.1=0.67-0.14=
2+0.1=7.4+2.4=99.3-7=0.57-0.37=
1.3+0.6=7.7+2.8=6.9+1.5=0.96-0.43=
6.7-0.2=6.7+6.8=13.1-2=0.74+0.24=
二、笔算。
8.52+0.98=99.21-1.29=7.82+5.48=76.2+6.8=
7.01-4.59=55.21+5.08=4.02+0.08=41.02+1.55=
4.43-0.52=39.21-6.63=9.79+5.25=50.9+10.2=
7.42-2.17=13.34-1.36=7.79-0.52=68.01+6.91=
一、口算。
4.9+0.4=9.3+4.1=23.1+3=0.64-0.28=
5.3-0.6=9.5-2.7=8.6-4.7=0.78+0.27=
7-0.5=3.2+9.1=44.1-1=0.88+0.19=
4.8-0.4=6.4-3=7.7-4.1=0.58-0.38=
6.5+0.7=6.1+6.7=64.7-3=0.52+0.28=
二、笔算。
2.8+0.92=82.67+6.74=7.44+1.72=97+28=
7.44+3.05=90.4-3.62=7.88-0.98=16.83-1.72=
7.38+0.62=33.94+8.06=8.41-6.26=62.2+21.4=
8.39+5.32=97.79-2.48=5.49-0.73=24.55-8.67=
一、口算。
8+0.9=0.9+1=46.4-3=0.99+0.49=
1+0.2=9.1-2.2=8-0.7=0.72+0.05=
2.1-0.2=6.6+5=88.2+4=0.84-0.07=
5.4+0.3=7.3+4.2=7.3-0.9=0.82-0.45=
5.6+0.6=4.1+2.6=49.7+3=0.78-0.12=
二、笔算。
9-0.98=96.27-7.06=9.74-6.18=88.5-38.7=
7.27-4.99=14.1-6.04=7.47+0.21=77.35+1.25=
1.93+0.53=59.14+6.49=7-2.57=64.8-9.3=
8.36-4.25=16.82-2.54=9.04+0.15=97.04-9.44=
一、口算。
2+0.7=2.8+2.2=65.9-8=0.59+0.14=
2.9-0.4=7+2=8.8-3.4=0.99+0.25=
5.3+0.3=9.3+7.2=73.9+6=0.5+0.26=
3.4+0.6=8.7+0.1=9.2-1.8=0.63+0.49=
1.3-0.8=3.6+9.5=86.6-8=0.89+0.21=
二、笔算。
2.4+0.98=53.43+9.79=8.76-5.22=53-28.4=
7.36+3.63=63.39+9.06=1.52-0.68=44.49-7.42=
1.15-0.7=38.71-4.64=8.63+2.01=64.6-39.2=
7.27+2.6=38-4.2=4.32+0.53=98.39-5.6=
一、口算。
8.8-0.8=8.9+0.2=35.7+4=0.62-0.04=
4.5+0.4=9.3+3.7=7.8-2.1=0.85-0.41=
1.2-0.6=6.7+8.9=88.9+3=0.82+0.28=
7.7+0.1=6.2+0.2=8.2-3.6=0.84-0.47=
8.2-0.8=7.9+6.7=72.7-5=0.57+0.37=
二、笔算。
1.6+0.12=38.27+5.58=9.1+6.72=70.3-11.1=
7.46-5.72=91.22+3.57=8.29+0.86=58.99-8.93=
1.99-0.67=13.27+7.39=8.37+2.7=87.5+44.3=
7.4-6.1=17.26-4.38=4.61+0.54=44.15-9.89=
一、口算。
3.9-0.4=8.3+4.4=87.5+9=0.93+0.1=
5.6-0.7=9.5+0.8=6.7+2.7=0.53+0.13=
3.1+0.2=1.1+5.2=56.5-4=0.73+0.39=
2.4-0.9=7.1-3.3=9.8-2.6=0.54+0.46=
8.5-0.6=1.6+6.9=66.8-6=0.62-0.18=
二、笔算。
7.95+0.22=22.06+9.31=7.34+3.4=55.9+8.1=
7.28+1.95=22.52-5.43=2.89+0.88=92.24+9.54=
5.2+0.76=48.22-8.83=8.24-1.59=91.5+21.7=
9.05+1.58=47.24+4.97=7.49+0.8=68.31+7.73=
一、口算。
8.9+0.3=6.6+8.1=81.1-3=0.68+0.22=
6-0.4=7.4+0.7=9.8+5.4=0.82-0.01=
4.1-0.9=8+3=22.9+4=0.85+0.47=
5.9+0.6=5.3-3.3=9.2-3.2=0.78+0.01=
7.9+0.1=9.5+6.5=20.4-9=0.92-0.21=
二、笔算。
8.14-0.52=79.77-2.12=7.53-4.41=71.3+37.1=
8.17-3.54=49.61-8.68=6.71-0.2=65.75-9.71=
7.95-0.54=76.28+2.15=9.72-4.02=75.5-22.1=
9.11-1.2=32.97+4.75=1.12+0.96=16.61+8.2=
一、口算。
2.1+0.3=8.3+9.5=46.2-1=0.9-0.25=
4.9+0.2=7.2-1.4=7.1-2.5=0.77-0.12=
4.6-0.2=5.8+4.1=66.7-6=0.72-0.37=
2.7-0.2=7.6+4.8=8.3+3.1=0.56+0.44=
5.2-0.3=1.3+6.6=12.2+8=0.5-0.31=
二、笔算。
9.53-0.39=19.6+1.53=8.8+5.07=52-36.7=
7.22-1.93=12.75-9.57=5.09+0.85=28.04+1.11=
3.31+0.11=71.85-9.02=8.05+2.99=57.4-5.1=
9.7+6.15=25.28+4.94=6.86-0.38=62.55-8.11=
一、口算。
4.7-0.9=1.4+6.2=15.1+5=0.76-0.29=
6.3+0.9=5.2+0.8=9.8-2.5=0.66+0.25=
4.5+0.3=2.9+6.6=74.6+3=0.73-0.29=
1.2-0.5=5.1-2.2=9.8-0.2=0.68-0.19=
4.2-0.1=7.7+0.1=70.1-6=0.65-0.08=
二、笔算。
6.04+0.15=83.15-5.67=9.47+4.89=67.5+40.2=
9.18+2.61=55.17+9.42=7.25-0.01=70.93+8.1=
3.16-0.84=85.34+3.39=7.7+6.92=62.2+19.4=
9.53-5.71=20.83-7.53=6.47+0.25=15.11+6.99=
一、口算。
5.8+0.1=7.9+5.6=35.5-3=0.84-0.3=
1.6-0.2=5.6+2.9=9.6-2.2=0.73-0.48=
2.6-0.8=9+0.9=22.7-7=0.74-0.02=
2.4-0.2=8.3+0.7=6.6-2.6=0.91-0.24=
8.8+0.7=3.1+6.6=79.8+5=0.61-0.1=
二、笔算。
5.88-0.01=18.48-2.64=8.28-1.64=95.6-27.3=
7.22-3.74=57.66+5.49=2.43+0.72=30-1.74=
3.6+0.27=50.19-8.07=9.1-2.48=88.7-24.5=
7.56+1.46=83.42-5.05=8.38-0.2=36.3+3.97=
一、口算。
7.9-0.7=2.7+3.5=47.3-9=0.81-0.31=
2.4+0.5=9.6-2.9=6.3+0.6=0.92-0.35=
1.4-0.9=9.5+4.9=80.9-1=0.56-0.05=
4.1+0.7=7.1-4.5=7.8-2.1=0.76+0.33=
3.6-0.7=4.4+0.3=27.5-5=0.9-0.13=
二、笔算。
2.64-0.62=35.33-9.57=8.18+5.98=86.2+48=
7.31-6.13=87.28-7.49=2.91-0.21=95.56-9.82=
3.33+0.83=97.54+9.82=7.52-2.21=90.9-41.8=
9.45+1.43=99.14+8.79=3.24+0.87=17.62+4.82=
一、口算。
4.3+0.5=2.4+5.8=39.2-4=0.76-0.03=
4.8+0.7=6.6+2.5=9.9-5.1=0.94+0.48=
3.9-0.1=4.1+7.8=32.7-2=0.65-0.4=
4.6-0.2=8+0.7=9.8-0.1=0.74-0.41=
7.8-0.4=8.7+8=53.6-1=0.79+0.22=
二、笔算。
6.98-0.08=82.33+5.12=8.08-1.44=63.3+32.3=
9.88+4.06=57.58-2.82=9.02+0.69=63.6-4.25=
4.43+0.35=49.88+4.78=7.77-5.28=63-19.3=
8.25-4.76=69.46+7.57=1.46+0.24=39.65-7.39=
一、口算。
7.8-0.9=0.6+8.6=97.2-1=0.64-0.37=
5.6-0.2=8.5+0.5=7.9-1=0.86-0.09=
5.1-0.1=4.7+8.3=35.7+5=0.53-0.07=
6.7-0.7=7.5+2.1=9.5+0.8=0.97+0.46=
8.5-0.5=8.7+2.9=33.6+6=0.6+0.11=
二、笔算。
9.48+0.97=37.78-7.07=9.78+6.79=99.9+31.2=
8.78+2.8=32.77+4.73=6.37-0.1=97.2+1.84=
8.57-0.54=43.87-9.28=7.72-5=80+41.3=
7.32+5.59=52.19-5.99=2.06+0.99=41.28-1.59=
一、口算。
8.9-0.2=5.4+4.9=39.9-6=0.99+0.06=
2.8-0.4=5.5-1.9=8.9+1=0.79-0.29=
7.6-0.9=5.1+5.7=83.3+4=0.5-0.29=
8.2+0.8=9.2+4.2=7.2+4.6=0.96-0.07=
8-0.1=0.9+4.7=88.6-4=0.98-0.03=
二、笔算。
8.75+0.45=44.88-1.52=7.49+3.25=63.1+33.8=
8.59+3.25=76.27+4.45=5.8-0.5=94.67+7.76=
1.9-0.7=84.02+8.35=7.66-1.97=51.3+39.6=
9.71-4.56=67.11-5.2=9.95-0.92=30.85+2.64=
一、口算。
1.7-0.2=7.1+8.4=59.3+9=0.81+0.39=
3.7+0.5=8.2-1.7=6.3-4.9=0.6+0.3=
2.1-0.8=8.5+2.3=13.6-9=0.6-0.15=
5.7+0.8=7.5+3.6=6.6+3.5=0.83+0.15=
1.3+0.6=4.8+1.7=98.7-1=0.74-0.01=
二、笔算。
2.82-0.24=88.51+9.96=7.11-2.02=59.4-37.8=
7.57-3.8=41.57+6.36=2.41+0.36=50.24-9.99=
4.95+0.7=42.83+4.64=8.72-1.32=83.5+18.7=
8.22+3.19=90.82-4.18=7.25+0.8=13.24+4.45=
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