人教版四年级数学下册小数加减法综合练习题123.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123.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123
一、口算。
5.7-0.3=6.6+0.5=93.2-8=0.66+0.14=
8.1-0.1=5.9-0.4=6.7+5=0.58+0.17=
6.7+0.3=5.9+5.7=73.2-2=0.9+0.28=
4.9+0.6=7.7+0.8=9.5-0.6=0.53+0.25=
4.6+0.4=3.9+4.1=46.4-9=0.53-0.35=
二、笔算。
6.57+0.16=24.59-9.56=9.5-2.43=77.1-39.1=
9.39+2.59=61.39-4.59=4.11-0.19=43.22+8.41=
7.49-0.18=92.32-2.97=7.51-4.37=63.8-18.7=
8.45+4.58=39.38+7.55=3.71-0.82=67.05-1.52=
一、口算。
7.7-0.8=1.6+4.7=87.8-3=0.66-0.25=
5.1-0.8=8+2.1=6.6+1.3=0.73-0.43=
6.9+0.1=6+3.4=49.4+6=0.73+0.43=
7.4-0.2=5.1+1.8=9.7-0.8=0.65+0.09=
8.2-0.7=4.7+5.3=22.6+6=0.91-0.33=
二、笔算。
6.01-0.11=96-7.71=7.13+6.03=52.6-12.1=
8.19-3.25=70.7+3.91=5.41-0.62=85.71+4.6=
1.53+0.67=27.62+2.23=8.56-2.86=64.1+13.1=
7.76+2.88=16.26-5=8.78+0.09=48.27-3.13=
一、口算。
4.1+0.7=1.7+9.2=50.5+2=0.81-0.29=
8.1+0.1=5.8+2.1=6.9-4.3=0.79-0.42=
2.3-0.3=9.1+7.1=57.6+7=0.52-0.03=
8.4+0.9=9.9-3=9.9+2.9=0.72-0.36=
5.9-0.1=9.5+4.1=48.9-4=0.69-0.05=
二、笔算。
6.2+0.14=84.51+4.75=8.85-3.14=73.1+31.7=
9.06-6.04=17.2+9.28=8.64+0.46=56.34+1.8=
2.07-0.1=74.19-7.61=7.22+2.91=51.6+40.8=
8.77+2.48=64.25+9.14=9.12+0.52=58.88-2.36=
一、口算。
3.9+0.5=1.7+0.7=92.8-7=0.99+0.39=
4.3+0.4=6.1+3.6=6.9+2.4=0.87+0.24=
5.8+0.4=4.4+3.9=96.2+5=0.55+0.26=
5.3+0.8=7+3.4=8.9+5.4=0.72-0.32=
5.4-0.9=7.7+3.6=87.9-7=0.69+0.2=
二、笔算。
7.41-0.95=20.08+5.7=8.16-1.12=69.7-3.4=
9.89-3.54=32.12-6.15=4.84+0.69=11.03+9.1=
9.59-0.47=67.6-9.81=8.63-3.75=84-1.1=
9.64-3.47=93.95-2.62=2.12+0.18=89.63-2.94=
一、口算。
4.9-0.2=4.3+4.3=65.5+7=0.51-0.32=
2.6-0.2=8.4-1=9.5+3.5=0.86+0.05=
7.8+0.2=1.5+3.3=68.4-7=0.88+0.02=
2.5+0.7=5+4=9.2-1.6=0.68+0.28=
4.6+0.3=9.5+9.1=40.5-1=0.69-0.23=
二、笔算。
4.87-0.35=70.57+4.8=9.33-1.87=56.2+30.8=
7.65-4.06=94.2+4.82=2.83+0.97=77.8-8.1=
1.34-0.31=26.76-5.08=8.15-1.46=73.9+18=
8.07-5.33=44.69+2.81=5.4+0.51=80.25-1.52=
一、口算。
4.7+0.3=0.6+1.8=45.7+3=0.75-0.27=
1.5-0.8=8.1+4.5=6.3-2.6=0.56-0.32=
8.5-0.3=3.8+2.6=79.6-9=0.97+0.19=
5.1+0.6=7.9+3.7=9.9-2.3=0.87+0.4=
5.2+0.3=2.9+5.1=67.3+8=0.57+0.31=
二、笔算。
6.69-0.95=69.07-3.9=7.56-3.45=69.1-47.9=
8.84-6.5=50.05-2.26=4.43+0.13=41.72-9.84=
5.41-0.58=42.64-3.95=7.48-1.88=91.9-20.4=
9.91+1.52=74.78+9.99=3.37-0.2=12.72-5.87=
一、口算。
9-0.8=9.5+4.3=32.7+9=0.8-0.2=
9-0.8=5+1.7=8-3.7=0.62-0.05=
3.2+0.9=7.8+9.2=25.8+8=0.95+0.27=
7.2-0.7=8.9+2.4=8.4+0.2=0.75+0.43=
5.2+0.5=3.1+2.2=19.8+6=0.88+0.38=
二、笔算。
4.09-0.62=13.69+1.75=8.49+3.55=53.4-18.3=
9.64-3.37=22.61+5.68=7.2-0.06=31.14+4.62=
5.99+0.8=42.12+3.53=9.73+3.98=67.1-25.2=
9.77-5.25=52.9+5.79=7.34+0.81=96.13+6.39=
一、口算。
1.4-0.2=6.2+2.5=55.6-1=0.93+0.48=
4.1-0.8=6.3+0.7=8.9+1.2=0.68-0.08=
7.9+0.1=9.2+5.4=32.8-4=0.88-0.05=
8.3+0.5=6.9-3.4=7.4-4.9=0.62+0.05=
3.6-0.3=0.7+6=88.9+7=0.85+0.14=
二、笔算。
1.84+0.44=53.81-7.46=7.06-1.06=62.5-41.8=
7.3+4.3=57.27-3.45=9.88+0.96=71.75+2.97=
6.18+0.01=96.27-8.85=8.17+3.79=61.7+10.8=
9.99+1.32=45.8+5.97=7.11-0.14=60.43-5.07=
一、口算。
1.3+0.6=5.3+9.3=37.5-1=0.52-0.01=
3.2-0.7=9+1.8=8.9-0.6=0.58+0.01=
4.5-0.1=3.1+8.8=14.6-3=0.95-0.43=
8.2-0.5=6-1.6=6.8-4.9=0.63+0.18=
5.7+0.7=8.6+0.8=69.8-8=0.58+0.15=
二、笔算。
4.21-0.57=68.66-8.25=9.33-1.4=75.9-38.9=
7.4-5.1=67.68-4.42=8.39+0.17=75.93+8.39=
9.56+0.1=37.83+3.23=7.7+1.41=76.3+29.2=
7.21+3.06=52.46+9.38=2.55+0.55=18.89-5.34=
一、口算。
8.2+0.6=1.2+5.4=51.7+5=0.88-0.01=
4.6-0.5=7.2+3.9=9.5+2.3=0.55-0.17=
6.4-0.6=4.5+6.5=83.1+1=0.97+0.02=
7+0.8=8.8+2.3=7.4-3.4=0.56+0.01=
5.6-0.8=0.3+7.4=30.8+2=0.68+0.4=
二、笔算。
4.75-0.14=91.75-1.14=8.06-3.74=57.8+40.7=
9.63-5.82=19.66-4.13=2.03-0.7=96+5.99=
4.59+0.29=99.71+2.97=7.33+1.27=96.8-41.5=
9.89+5.86=23.88-7.49=7.09+0.42=20.34+9.65=
一、口算。
1.8-0.5=4.3+7.8=15.5-7=0.7-0.36=
1.2-0.8=6.9-4.4=6-0.7=0.69-0.4=
3.1-0.3=5.2+6.5=11.1+9=0.83-0.18=
2+0.2=9.5+4.2=8.9-1=0.91+0.32=
1-0.6=7.6+4.4=19.9-2=0.58+0.47=
二、笔算。
6.81-0.34=93.48-9.2=7.2-6.2=55-31.8=
9.95+4.17=57.85+7.52=9.15-0.91=91.33-4.04=
7.65+0.99=88.37-2.45=9.9-3.49=94+11.1=
7.24+3.48=80.04-9.85=7.31+0.27=57.01-5.39=
一、口算。
8.5-0.1=9.9+2.8=16.8-2=0.55-0.42=
1.5+0.1=5.7+2.7=9+1=0.94-0.22=
5.9-0.2=7.3+5.8=86.3-6=0.88+0.11=
7-0.4=6.3+1.7=7.7-5.1=0.61-0.23=
1-0.5=0.4+6=60.9-1=0.84+0.29=
二、笔算。
1.07+0.18=90.38-5.48=8.16-2.72=98.8-6.2=
9.36+5.46=87+7.79=2.76-0.21=88.99+5.93=
4.92+0.65=70.02+4.28=7.67+3.42=67.2-10.5=
9.04+2.92=65.18+3.35=8.32-0.06=75.1-5.38=
一、口算。
8.4-0.6=2.5+6.7=11.5-4=0.84+0.35=
6.6+0.3=6.4+3.9=7.4+5.3=0.7+0.1=
4.4+0.3=5.1+2.4=79.2-2=0.52+0.29=
1.3+0.3=8.2-2.5=6.2+2.1=0.65-0.05=
3-0.1=9.6+3.8=62.1-2=0.64+0.27=
二、笔算。
5.73-0.04=46.19+3.18=9.64-6.74=80.8-42.6=
9.78-2.23=44.86-9.45=8.29+0.19=88.39+5.72=
2.87+0.74=37.53+8.91=8.58-3.8=99.4-30.1=
7.49-4.69=56.15+9.26=9.48-0.95=74.41+7.07=
一、口算。
8+0.5=0.9+5.4=90.8-6=0.6+0.39=
4.9-0.3=7.4+2.9=6.9-1.9=0.63+0.43=
4.4+0.4=4.4+8.7=93.1-6=0.53+0.18=
7.3-0.6=9.8+0.5=8.1+2.6=0.68-0.23=
4.6-0.8=9.4+3.1=27.8-7=0.5+0.23=
二、笔算。
9.46-0.49=96.77+3.9=8.58-2.68=68.5+3.2=
7.67-4.92=78.78-3.55=5.2+0.02=35.61-3.24=
9.37+0.68=97.35+7.13=8.48+1.65=87.3-44.6=
7.46+4.33=40.13+4.81=9.75-0.9=42.17+1.16=
一、口算。
5.9-0.7=5.4+6.9=97.5+6=0.59+0.23=
5.4-0.8=6.9-3.4=6.8-1.5=0.54+0.39=
4.6-0.9=6.5+3=99.6+3=0.56+0.08=
6.7+0.2=7.3-4.3=8.1+5.5=0.57+0.49=
4.9+0.2=8.2+9=65.6+2=0.54+0.25=
二、笔算。
6.43-0.14=76.06-6.19=9.27-5.34=61.1-25.9=
9.02-1.17=17.69-3.19=9.64-0.23=53.19+6.8=
9.74-0.89=95.87-4.28=8.02-3.71=77.7+31=
9.37+4.05=23.89-8.98=2.48-0.52=89.11+8.54=
一、口算。
6.5+0.6=0.4+6.4=79.8+4=0.99-0.29=
2.4+0.1=6.3+3.1=6.9+0.1=0.62-0.36=
2.9-0.5=8.9+4.5=76.7-2=0.56-0.2=
4.6+0.7=7.4-2.2=9.9+4.7=0.92+0.17=
2.7+0.8=5.5+1.4=39.6-3=0.55-0.15=
二、笔算。
4.72+0.94=59.71-5.27=8.91-1.81=81.9+32.5=
8.38-6.51=90.42-9.73=4.9+0.67=63.78-8.59=
6.97-0.91=63.81+3.98=9.64-2=64.3+8.6=
7.21+4.02=39.99-4.06=3.8+0.45=40.63+1.5=
一、口算。
1.2+0.4=0.8+3=96.4-2=0.84+0.37=
2.5-0.2=5.6-2.7=8.5-2.1=0.63-0.35=
5.7-0.8=9.9+4.6=29.6-6=0.51+0.2=
1.6-0.1=8.4-1.4=8.5-4.9=0.74+0.08=
6.4+0.1=6.5+4.7=71.3-2=0.97-0.38=
二、笔算。
7.52+0.8=21.66-7.71=7.73+1.43=50.8-12.5=
7.77+6.68=37.46+2.07=2.44+0.52=85.93-1.09=
5.47+0.5=22.62+8.51=7.45+5.96=58.8-28.9=
9.73+2.76=93.82+8.14=5.89+0.34=65.02+1.32=
一、口算。
8-0.6=5.6+2.8=48.4+8=0.76-0.4=
4+0.6=8.4+3.1=8.5-2=0.8-0.43=
6.3-0.1=9.6+3.4=81.5-7=0.52-0.44=
1.1-0.8=6.6-4.8=7.6-2.5=0.99+0.03=
5.3+0.7=3.1+7.7=76.4-8=0.59+0.23=
二、笔算。
7.92+0.66=56.4+8.54=8.12-2.36=63.1-24.8=
9.71-4.94=25.2+2.73=2.75+0.73=25.94+5.25=
6.23-0.1=26.95+6.34=7.72+5.38=53.2-3=
7.48+3.22=51.51-3.73=1.17+0.89=27.04-3.62=
一、口算。
2-0.5=7.1+2=70.6-7=0.77-0.2=
2.3+0.3=5.5+4.6=8.5+4.6=0.74+0.24=
4.9-0.2=7.6+2.5=79.1-7=0.86-0.15=
3.3-0.8=5.2+1.4=9.3+3.4=0.96-0.08=
1.1-0.6=7.3+4.2=42.2+4=0.56-0.21=
二、笔算。
3.3+0.52=63.58+8.08=8.35+1.02=69.2-33=
7.82-3.9=56.04+6.47=2.48+0.25=49.3+7.59=
2.16+0.2=90.52+6.04=9.55-4.96=52-19.8=
8.86+4.14=18.68-5.22=1.16+0.09=41.74-4.18=
一、口算。
6.5+0.6=4.2+7.6=87.5-2=0.58-0.32=
3.3-0.3=8.9+4.6=6.5-3.8=0.74-0.07=
8.9+0.3=7.2+1.5=59.1+4=0.8-0.36=
5.1-0.4=8+3.8=8.2+4.6=0.64-0.25=
1.3-0.7=7.1+7.5=12.2-5=0.82+0.44=
二、笔算。
6.8+0.85=62.2-8.88=7.32+5.18=91.9+27.2=
8.42-1.43=77.61-3.25=6.68+0.17=66.06-6.86=
6.93-0.11=37.16+3.94=7.48-6.79=88.8+45.7=
7.63-6.93=81.57-8.22=6.62+0.84=26.01+8.06=
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