人教版四年级数学下册小数加减法综合练习题126.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126.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126
一、口算。
2.8-0.7=0.8+4.9=47.1-4=0.85+0.21=
1.8-0.5=8.3-2.7=9.1-1.4=0.51-0.39=
6.2-0.1=3.5+9.1=74.4-7=0.93-0.24=
7.6-0.1=7.6-1.7=8.1-5.5=0.83+0.33=
4.6-0.1=0.2+4.7=50.9+6=0.66+0.44=
二、笔算。
3.23-0.26=12.25-8.62=9.78-2.07=74.8-31.6=
8.44-2=20.39-3.23=4.22-0.64=94.29-2.05=
7.76+0.75=14.79-7.19=8.18-4.93=92.5-18.7=
9.74+1.28=54.86-9.52=4.14-0.39=67.25-2.81=
一、口算。
4.2+0.2=4.7+6.1=68.9-3=0.65+0.03=
2.6+0.3=6.6-2.5=9.7+1.5=0.57+0.48=
9-0.9=7+6.6=70.6-5=0.74+0.21=
8.6+0.5=8.9+4.3=9.3+3.5=0.9+0.45=
3.3-0.3=3+9.1=17.5-9=0.72-0.46=
二、笔算。
6.21-0.16=24.48+9.39=8.14+2.7=52.7-29.1=
9.62+5.76=31.6+9.46=2.7+0.67=98.5-6.26=
1.53-0.01=45.71-5.4=7.89+1.64=62.8-28.1=
9.69+2.78=51.77-5.94=4.1+0.84=73.81+6.97=
一、口算。
1.9+0.5=0.3+6.3=81.5-4=0.55+0.04=
6.9+0.7=7.2-0.6=9.2-1.9=0.87-0.09=
7.6+0.2=9.3+3.6=29.8-8=0.61+0.07=
4.5+0.6=5.8-0.8=9.6+2.9=0.99+0.24=
3.7-0.3=3.8+2.8=34.2-4=0.92+0.42=
二、笔算。
9.74-0.37=77.16+7.54=8.86-4.31=78.3-26.5=
7+5.55=60.75-4.21=8.12-0.52=89.22+3.92=
6.39+0.89=30.7-4.41=8.37+3.53=88.5-37.1=
7.04-6.07=56.54+9.58=3.88+0.46=14.47-9.04=
一、口算。
1.8+0.2=8.5+0.7=89.4-2=0.93+0.17=
2.3-0.7=7+2.7=6.9+5.6=0.98-0.25=
1.3+0.5=0.4+8.1=52.8+1=0.88-0.29=
6.4-0.8=7.5+0.3=7.6-3.4=0.62-0.42=
1.8-0.1=4.8+8=58.3-2=0.75-0.28=
二、笔算。
4.91-0.5=68.62-3.8=8.04-3.01=64.3-1.7=
8.79+5.55=59.44-8.1=5.01-0.42=11.75-2.09=
8.57-0.27=42.32+8.18=9.9-6.83=56.2-15.5=
8.78-5.51=28.29+9.03=5.27+0.77=50.81-5.15=
一、口算。
4.4-0.6=5+1.1=95.5+7=0.99-0.14=
7.3-0.2=6-2=9.2-3.5=0.58+0.21=
3.2+0.5=8.2+8.4=96.7-5=0.92-0.13=
7.5+0.7=7.7+3=7.5-0.8=0.79+0.3=
8.5-0.3=5.6+3.8=25.9-1=0.99+0.13=
二、笔算。
6.68-0.21=98.13+6.03=8.33-2.37=51.1-25.7=
8.05-1.87=37.33+2.3=4.33+0.84=89.15+5.54=
5.95-0.36=14.59-8.04=7.09-6.89=86.8+8.3=
7.55-5.09=32.69+4.35=2.86-0.94=90.14+6.24=
一、口算。
3.5+0.3=1.6+9.7=98.7+9=0.55-0.47=
6.9+0.7=9.2+4.7=6.9-1.8=0.79+0.38=
7+0.4=5.2+7.8=27.7-5=0.9-0.21=
4.6+0.3=9-2.7=8.1-1.7=0.53+0.44=
2.8-0.9=6.9+7.5=52.6-7=0.77-0.25=
二、笔算。
2.56-0.43=88.79+8.33=8.16+3.83=57.9-18.1=
7.28-5.49=34.58+1.88=9.6+0.77=12.42+2.98=
9.22+0.41=21.81+7=9.09+5.85=56.5+27.2=
9.15-6.06=64.26-3.38=4.92+0.59=57.62+6.96=
一、口算。
8.2+0.7=4.4+6.1=96.1-2=0.53+0.35=
1.1+0.6=7.9-2.8=7.3+4.1=0.77+0.44=
1-0.8=3.1+9.6=14.7-9=0.85+0.35=
4.9-0.4=5.7+4.8=8.3+3.6=0.63-0.47=
8.4-0.3=3.6+4.2=64.5-5=0.95-0.35=
二、笔算。
7.72-0.31=90.06-2.19=8.76-6.05=75.8-32.7=
9.47-4.46=97.06+9.34=1.56-0.96=42.26+1.19=
6.26-0.34=34.64+6.61=9.93+5.32=68.9+21.7=
9.87-1.5=27.01+2.37=8.3+0.59=95.09+3.81=
一、口算。
5.3-0.5=0.3+3.2=36.4+4=0.58-0.29=
6.5-0.4=8.7-4.1=7.6+0.3=0.73+0.17=
6.1+0.3=1.8+1.3=91.6-6=0.63-0.47=
6.9+0.1=5.3+0.1=9.6+4.2=0.75-0.48=
6+0.4=0.5+2.9=26.3-1=0.58-0.01=
二、笔算。
3.65+0.52=27.01-2.52=8.52+4.59=99.3-5.1=
8.09-4.01=35.52-9.41=2.42+0.67=21.04-6.41=
6.67+0.37=33.44-2.49=9.97-2.21=96.4+3.4=
8.17+5.78=42.92-5.2=4.94+0.95=98.1-1.88=
一、口算。
3.2-0.6=5.6+3.2=45.9-9=0.66-0.02=
6.6-0.4=6.9-1.7=9.2+0.6=0.81-0.25=
8.9-0.8=4+2=89.2-2=0.64-0.21=
2.5+0.7=5-2.3=9.4-3.5=0.56+0.27=
8.9-0.9=9.7+2=51.4-6=0.92-0.1=
二、笔算。
1.43+0.02=27.09+9.25=7.74+1.25=76.8-20.4=
9.05-4.71=42.31+8.33=6.46-0.9=62.93+1.2=
5.02+0.21=46.06+8.1=9.07+1.02=86-41.6=
9.62+3.37=54.21+2.38=9.44+0.82=34.19-6.02=
一、口算。
1.7+0.6=5.4+9.7=31.6+6=0.95-0.1=
7.5-0.2=8.8-1.4=8.8-4.2=0.78+0.12=
4.8-0.5=1.3+1.5=51.2+4=0.7-0.27=
1.3+0.8=5.2-0.5=6.8+3.4=0.75-0.04=
4.1+0.8=0.9+8.6=53.3-1=0.67-0.3=
二、笔算。
8.9+0.25=97.33-2.13=8.54+4.2=64.7+3=
9.02-1.77=94.72-8.27=8.09+0.09=82.4-3.43=
4.45-0.43=74.51-2.77=8.29+3.41=52.4+36.4=
7.01-2.18=44.96+5.15=5.21+0.65=57.12-6.19=
一、口算。
4.5+0.7=9.8+9=41.8-4=0.63+0.32=
3.9+0.4=7.4-1.1=7.5-5.6=0.61-0.39=
1.4-0.4=0.9+5.4=17.6+1=0.81+0.19=
6.1+0.5=7+3.1=9.8-0.7=0.83+0.18=
2.5-0.8=1.5+2.7=17.7-8=0.62+0.14=
二、笔算。
2.09-0.54=65.48-3.1=7.87-2.79=85.8-21.8=
8.3+1.59=89.41+6.92=8.14-0.44=27.34+5.9=
3.25+0.84=18.75-2.2=7.42-6.89=96.6+33.9=
8.61+1.84=62.24-6.32=4.83-0.06=69.64-6.03=
一、口算。
1.9+0.5=5.9+3.2=78.9+1=0.82-0.32=
2.2-0.4=8.4-2.4=9.3+3=0.64-0.36=
2.9-0.4=2.9+0.9=84.2-4=0.68+0.14=
6.8+0.1=6.9-2.4=9.2+3.6=0.65+0.32=
6.6-0.2=3.3+6.8=82.7-9=0.58-0.27=
二、笔算。
8.23+0.93=93.96-2.75=9.34-2.65=52.3+35.8=
8.07+5.25=31.47-8.15=4.26-0.23=37.01+5.96=
4.18-0.49=19.36+6.62=8.39-6.67=75.2-13=
8.86-4.39=42.35+1.71=5.35+0.69=56.22-6.47=
一、口算。
5.9+0.4=1.9+1.3=60.2-1=0.59-0.39=
1.7+0.4=8.4-2.7=9.1+5.8=0.7-0.4=
7-0.6=7+2.1=87.6-7=0.7+0.4=
6.8+0.2=7.2+4.9=6.5-1.1=0.64-0.24=
6.6-0.8=5.9+3.7=45.7+2=0.65-0.32=
二、笔算。
2.57-0.06=13.13+2=8.69+6.57=99.9-35.1=
9.5-6.07=11.16-7.2=4.29-0.84=93.71-3.87=
1.35+0.34=30.95-7.47=9.47+4.83=50-38.8=
9.64+6.25=12.36+2.3=4.73-0.84=14.28+6.58=
一、口算。
4.9-0.7=1.7+2.8=47.2-2=0.88+0.19=
4.8-0.9=6.1-0.6=6.6+3=0.54-0.19=
6.7-0.6=1+7.4=54.9+7=0.86-0.13=
3.9-0.2=8.7-3.2=7.5-0.3=0.84-0.2=
5.4-0.8=9.5+3.1=96.9+4=0.91-0.13=
二、笔算。
7.03-0.75=58.08-3.72=8.01+4.62=61.1+18.5=
8.79-4.25=62.66-4.56=4.15+0.5=17.59+1.68=
2.31+0.8=53.83-5.21=8.04-6.77=57.7-48.6=
8.82+6.63=12.42-9.11=6.14-0.32=87.95+5.68=
一、口算。
8.6-0.2=7.6+1.9=42.5+2=0.71-0.48=
7.9-0.5=5.5-4.8=9.3+5.8=0.85+0.23=
7.5-0.8=6.6+0.5=73.1+2=0.8-0.09=
8.6-0.7=6.3-2.3=7+1.4=0.68-0.4=
2.1-0.3=5.1+7=64.5+1=0.62+0.48=
二、笔算。
1.61+0.28=74.14-8.63=8.55+5.35=81.3-16.2=
7.06-3.05=83.5+1.11=9.94+0.41=30.51-2.17=
8.26-0.53=61.79+7.75=9.95+5.96=96.9-36.9=
8.44-2.74=87.47-5.08=8.42+0.28=65.32+9.79=
一、口算。
7+0.5=4.2+9.9=36.8+2=0.5-0.16=
1.9+0.4=5.8-4.6=9.7-5.4=0.56-0.18=
1.4+0.9=9.3+2.6=12.6-3=0.77-0.39=
5.5+0.4=9.3+4.5=9.2-2.6=0.7-0.27=
4.8-0.5=7.9+3=91.2+4=0.58-0.17=
二、笔算。
3.71-0.49=72.82+2.41=7.51+2.15=73.1-49.8=
8.87-3.55=67.33+8.08=2.45+0.34=86.87-2.14=
9.22+0.23=50.01+8=9.84+4.13=69.6-31.9=
8.3+4.9=74.21+2.28=5.94-0.7=74.19+4.54=
一、口算。
6.2-0.1=7.6+9.9=67.7+6=0.8+0.13=
3.4+0.9=5.4-4.2=8.3+4=0.78-0.01=
6.3+0.6=2.2+5.5=47.3-7=0.84+0.41=
7.7-0.5=6.6+2.4=8.4+5=0.8-0.47=
4-0.7=7.7+1.3=40.6-5=0.65+0.07=
二、笔算。
9.53+0.89=52.09-5.62=9.13+3.74=80.9-17.7=
8.41+4.89=98.43+8.66=6.33+0.8=12.85-5.06=
9.16-0.63=38.38-8.77=8.04-5.33=53.7+18.3=
8.93+4.6=88.68+7.27=8.98+0.03=94.4+3.26=
一、口算。
1.8-0.8=2.9+9.9=73.7+1=0.52-0.28=
6.5-0.4=5.2-0.2=9.9-3.1=0.76-0.27=
4.9-0.8=7.5+9=94.8+3=0.61+0.32=
5.6+0.4=5.1-2.7=9.1-0.7=0.56+0.32=
3.5+0.7=0.3+1.4=43.2+7=0.91+0.31=
二、笔算。
2.17-0.58=52.25-5.02=9.09+3.49=88.7+19.7=
7.85+4.63=22.2+2.66=7.15+0.1=70.41+9.99=
5.41-0.62=16.05-3.05=7.92+2.01=94.7-14.2=
9.65+1.93=11.48-9.11=1.12+0.22=19.35-9.47=
一、口算。
2.8-0.6=5.6+2.1=31.1-7=0.83+0.35=
8.4+0.4=5.6-2.7=6.6-5.9=0.8+0.19=
4.1+0.6=1+3=35.1-4=0.84+0.49=
2.7+0.6=8.7+0.7=6.6+1.9=0.93-0.25=
4.1-0.2=8.9+4.1=76.6+9=0.55-0.33=
二、笔算。
1.36-0.66=47.52-2.87=9.05-1.53=54.3+48.1=
9.87-6.73=95.16-6.51=7+0.91=98.26-4.23=
3.32-0.78=22.35+9.22=8.18-1.52=98.4-5.2=
8.99-1.56=21.42+5.25=7.49-0.35=68.93+1.59=
一、口算。
5-0.3=6.8+4.3=83.5+4=0.94+0.29=
1.6+0.9=5.9-4.4=9.9+2=0.87-0.32=
6.7-0.2=9.8+6.3=79.3-9=0.65-0.04=
6.1+0.5=7.9+4.9=7.7+2.9=0.71+0.05=
5.6-0.5=9.8+7.4=63.1+7=0.73+0.43=
二、笔算。
6.83-0.51=88.24+6.58=7.45+5.42=88.4+8.2=
7.01+5.32=83.74+9.25=9.33+0.27=75.19-8.17=
6.12+0.46=35.72-6.87=7.07-3.58=84.2-42.4=
9.65+3.5=24.64-7.23=4.27+0.27=68.14
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