人教版四年级数学下册小数加减法综合练习题77.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77
一、口算。
1.9+0.2=4.3+9.6=99.6-1=0.61-0.46=
8.3-0.3=5-3.8=8.2+1.1=0.81+0.1=
4.2-0.5=2.6+3.5=58.9-8=0.89-0.35=
1-0.6=9.4+1.5=9.6+1.9=0.58+0.29=
4.4+0.7=4+3.2=45.9-2=0.65-0.37=
二、笔算。
1.2-0.35=90.5+1.28=9.8+2.5=50.8-15.9=
8.89-2.65=38.51-2.16=6.76-0.12=82.75-1.83=
4.97-0.77=51.92-8.83=8.54-4.74=72.9-2.4=
9.64+6.23=88.53-9.59=8.63-0.58=72.66-7.84=
一、口算。
1.5+0.2=3.3+1.7=28.5-7=0.57-0.16=
4.1+0.2=9.9+4.6=6.1+2.6=0.64+0.13=
8.5-0.5=0.2+9.1=34.8+8=0.84-0.04=
4.4-0.4=5.4+2.2=9.2+5.1=0.6+0.02=
7.2-0.9=2+1.4=94.5+8=0.55+0.4=
二、笔算。
6.55-0.94=74.26+1.93=9.95+3.21=55.2-14.3=
8.95+4.28=16.98-4=8.2+0.16=93.64-3.01=
3.83+0.84=30.28+1.09=7.01-1.7=67.6-42.9=
8.6+1.2=30.56-6.64=5.16+0.24=70.9-7.42=
一、口算。
4.6+0.9=5.6+0.8=44.1+1=0.73-0.25=
6.4-0.7=7.2+2=7.3+1.9=0.54+0.44=
8.8-0.8=4.1+2.7=47.2+9=0.6+0.37=
2-0.9=7.1+0.4=9.9-4.9=0.55-0.27=
2.3-0.5=7+0.6=23.2+9=0.6-0.3=
二、笔算。
2.84-0.4=79.63+8.42=8.12-4.29=79.6-25.7=
8.15-5.04=70.15-2.14=3.5+0.14=72.28-4.05=
2.29+0.9=82.91+2.11=7.45+2.44=79.6+35.8=
8.73+2.61=62.26+9.98=9.09-0.6=50.1+1.16=
一、口算。
2.7+0.4=0.2+8.2=46.8-9=0.66-0.01=
2.7-0.7=5.7-1=6.1+2.1=0.69+0.37=
7.9+0.5=1.1+5.1=36.6+5=0.99-0.14=
7.8-0.3=8.1+4.6=8.4-5.3=0.52+0.46=
2+0.5=5+0.2=18.9+4=0.79-0.19=
二、笔算。
9.07+0.16=46.12+1.93=9.85-1.4=70.6-32.7=
8.53-6.48=57.15-9.1=3.44-0.47=43.67+1.09=
6.72+0.02=13.93-1=8.62-1.34=68.3+26.8=
9.17-3.53=82.47+1.36=4.31+0.32=78.58-7.53=
一、口算。
1.8-0.4=3.5+5.3=67.6-3=0.67+0.42=
8.9-0.3=7-4.2=9.6+5.4=0.95+0.4=
3.3+0.9=5.9+0.5=76.6+3=0.62-0.46=
8.7+0.5=7.6+0.8=9.4+0.5=0.94-0.26=
4.5+0.7=3+5.1=91.9+3=0.92+0.49=
二、笔算。
6.14-0.94=61.66-3.47=7.83+6.66=81.9+23.7=
8.74-2.55=58.64+8.16=3.81-0.91=33.71+8.16=
6.48+0.27=73.96+8.43=7.98+3.96=85.3-2=
9.81-5.32=12.07+7.13=2.25-0.81=59.22-3.74=
一、口算。
8.9+0.4=5.9+7.1=21.3+3=0.93+0.35=
2.5-0.3=7.4+2.1=9.9-4.7=0.54-0.38=
3.5-0.6=1+2.9=29.9+1=0.61-0.31=
2+0.2=7.2-2.8=8.1+5.7=0.81-0.25=
7.6+0.5=4.7+8.7=48.2+6=0.75+0.39=
二、笔算。
7.01-0.76=46.64-3.48=8.07+1.72=73.6+20.3=
7.8-6.27=69.09-6.15=3.34-0.29=83.59-6.67=
2.97-0.74=19.38+5.88=8.78+3.86=96.4-42=
9.22+5.93=30.24+8.26=7.6+0.18=20.6-6.48=
一、口算。
6.5+0.8=6.9+8.5=59.9+4=0.75+0.17=
5.7+0.2=8.1-2.7=7.1+3.3=0.72-0.47=
7.1+0.5=7.8+6.2=84.3-7=0.54-0.46=
6.5+0.5=7.3-3.7=9.4-3.4=0.66-0.27=
5.1+0.8=0.5+3.3=92.7-7=0.62+0.48=
二、笔算。
9.87-0.64=17.76+9.67=7.99-6.44=71.2-48.7=
9.23-6.91=91.99+5.95=2.58+0.23=35.87-9.21=
8.35-0.18=47.32+1.87=7.52+3.38=57.1-26.1=
9.78-3.8=34.77-1.81=8.83+0.86=86.8-5.09=
一、口算。
1.2+0.2=2+0.1=69.4+3=0.65-0.31=
3.5+0.5=6.7-4.9=9.8+4.7=0.65+0.47=
1.1+0.7=6.6+6.6=39.6-6=0.58+0.44=
5.7+0.6=7.3-3.9=9.9-5.7=0.88+0.38=
3.9-0.7=6.1+9.3=88.5+4=0.52-0.06=
二、笔算。
1.8+0.74=33.33+9.69=9.92+4.49=89.8-12.8=
9.92+1.79=48.67+1.83=8.95-0.17=43.09-1.19=
3.68-0.76=96.59-8.44=7.28+6.85=96.7+4.4=
9.24-5.63=23.91-9.79=6.21+0.36=25.11+6.45=
一、口算。
8.7-0.2=0.7+9.3=22.4-8=0.52-0.15=
2.1+0.8=9.2+3.2=6.2-5.6=0.53-0.36=
3.8+0.9=7.9+9=99.1+1=0.79-0.46=
6.4+0.5=7.5+2.2=9+3.4=0.91+0.12=
8.8-0.4=5.2+8.4=99.3+9=0.66-0.03=
二、笔算。
5.36+0.43=27.94+2.42=7.15-2.81=91-19.9=
7.34+1.59=57.27+2.5=8.15+0.27=12.81-1.38=
6.13-0.56=61.38-9.6=8.25+4.32=70.9-6.9=
8.51-4.1=40.58-9.28=4.08-0.84=18.55-8.12=
一、口算。
5.8-0.6=9.3+8.1=80.3-9=0.67-0.38=
1.1+0.6=8.8-3.6=9.4+5=0.67+0.05=
5.2+0.5=7.8+1.6=51.4-3=0.8+0.2=
5.1-0.1=7.9-2.4=8.8+0.7=0.68-0.33=
4.1-0.4=3.1+6=38.3-3=0.92+0.07=
二、笔算。
7.62-0.21=72.7+9.5=9.83+6.9=60.8-40.2=
8.35-5.47=39.15+8.37=3.52+0.73=87.81-8.05=
9.83+0.27=48.52+4.05=7.37+4.94=55.1+7.7=
9.54+4.08=24.7-6.77=4.14-0.43=94.11-9.12=
一、口算。
2.3-0.4=3.8+1.9=21.6+2=0.9+0.14=
6.5+0.1=7.8+2.8=7.6-3.8=0.89+0.1=
6.7+0.5=8.9+1.6=29.9+1=0.93-0.28=
3.2-0.9=9.2-1.4=7.4+3.1=0.86-0.27=
2.2-0.9=1.2+0.9=89.2+5=0.72+0.24=
二、笔算。
6.32+0.27=19.93-9.13=7.09-5.68=93.6+26.5=
9.32+6.23=13.94+6.92=4.28-0.55=56.16+5.42=
2.6-0.8=68.57+8.39=9.33+3.65=87.4+5.6=
9.87+4.84=47-8.39=4.74+0.61=38.85-5.72=
一、口算。
1.6-0.2=6.5+9.6=14.1-2=0.98-0.09=
1.6+0.4=7.4-1.3=8.3-4.7=0.72+0.21=
1.6+0.2=6.1+2.6=50.3+2=0.67-0.47=
2.4+0.6=7.8-0.2=7.4-3.8=0.71-0.43=
8.3-0.6=2.9+6.1=14.1-2=0.75-0.24=
二、笔算。
7.65+0.5=29.74+5.81=9.56-2.53=75.7-9.2=
9.78-1.21=60.4+2.62=4.58+0.98=25.34+6.44=
8.7+0.34=31.6-8.88=9.59-3.67=83.1-12.8=
9.96+1.59=76.77+7.13=6.47-0.67=46.68-6.78=
一、口算。
7.5+0.2=4.6+5.9=56.5+7=0.62+0.44=
5.7+0.2=9+4=7.6-3.2=0.74-0.09=
4.5-0.2=7.9+2=64.4-4=0.92-0.36=
4+0.5=8.7-2=8+1.8=0.63-0.34=
1.3+0.7=9.3+0.6=72.9-2=0.52+0.43=
二、笔算。
9.39+0.96=58.84+3.2=9.23+3.69=70.3+31.6=
7.79-5.81=82.44-6.22=1.91+0.52=39.86+4.07=
4.7-0.15=96.12+4.48=7.45+2.76=59.7+9.3=
8.12-5.08=33.16+4.49=4.26-0.78=94.78-8.17=
一、口算。
3.2+0.6=0.8+6.6=33.8-4=0.64-0.13=
3.9+0.8=7+1=9.4-4.6=0.71-0.31=
2.9-0.1=0.4+1.5=22.3-5=0.95-0.45=
3.5+0.8=9.2-4.3=8.9-4.5=0.76-0.33=
1.6-0.6=8.5+3=41.9-8=0.93+0.18=
二、笔算。
7.11+0.09=30.31-9.49=7.49-2.79=55.9-26.6=
9.77-3.08=67.4+3.2=6.95+0.53=17.44-6.25=
6.12-0.45=88.83+4.01=8.38-1.18=61-19.5=
7.81+3.03=82.83+5.65=3.7+0.92=65.72+5.54=
一、口算。
6.5-0.2=0.4+5.6=95.5-3=0.91-0.18=
5+0.3=6.6+2.8=7.5+4.8=0.75-0.25=
1-0.8=9.2+4.9=56.8+5=0.83+0.1=
1.3+0.5=8.4-0.4=8.3+2.9=0.65-0.22=
8.7+0.5=1.8+1=63.7-3=0.65-0.2=
二、笔算。
4.08+0.58=65.8-3.83=7.69-1.57=55.2-47.3=
7.35+3.79=84.09+4.62=9.82-0.8=44.01-4.28=
1.48+0.73=85.93-2.15=8.88-5.38=54.6+4.2=
9.41+3.46=44.84-5.66=8.63-0.8=59.06-3.11=
一、口算。
3.2+0.7=3.1+2=39.9+4=0.57-0.43=
1.9-0.5=8.1-2.3=7.3-2.1=0.68+0.19=
6.7-0.9=6.9+5=38.4+9=0.67-0.04=
5.4-0.7=9.3+1.7=6.2+4.8=0.72-0.18=
2.3-0.9=3+3.2=42.3+7=0.54+0.23=
二、笔算。
5.01-0.55=76.78-3.06=9.72-6.21=76.8+49.6=
8.89-6.24=88.14+2.61=4.58-0.83=99.85+2.83=
8.17-0.99=24.06+7.82=8.94-6.14=79-22.5=
8.05-5.53=93.79-2.43=2.64+0.83=29.91+7.04=
一、口算。
6.4-0.6=1.7+1.1=35.5+6=0.5-0.37=
5.1-0.1=8.9+4.9=9.3+2.3=0.78-0.41=
3.4+0.8=4.8+0.8=35.4-8=0.77-0.01=
3.6-0.1=8.8+0.2=8.5+1.2=0.93+0.25=
6.4+0.9=2+9.9=95.7-9=0.8+0.02=
二、笔算。
9.77-0.44=71.48+8.03=8.04+1.99=98.2-17.4=
9.23-5.98=60.77+2.53=2.75-0.25=99.88-4.19=
8+0.1=18.22-2.06=8.39+1.83=78.7-32.9=
9.39+4.02=34.06+4.57=6.88+0.38=37.74+4.23=
一、口算。
2.2+0.4=3.8+4.4=41.9+5=0.79-0.12=
3.9-0.4=7.6-2.3=7.6-1.9=0.75+0.02=
3.5-0.6=6.7+7.3=49.8+4=0.72-0.36=
4.2-0.8=7.3+0.3=6.6-3.8=0.96+0.21=
3.8-0.8=5.5+9.5=20.4+8=0.67-0.08=
二、笔算。
4.21-0.83=32.58+5.74=8.84-5.96=69.1+23.8=
8.46+6.59=53.69+9.52=8.09+0.52=21.48+6.77=
3.47-0.3=22.88-1.93=8.46+3.93=87.4+46.4=
8.8+4.51=66.45-3.05=5.06+0.4=67.23+8.27=
一、口算。
7.6+0.9=2.9+5.8=13.3+5=0.51-0.02=
2.7+0.4=5.8+1=7+1.5=0.61-0.08=
3.5+0.2=9+4.3=26.4+7=0.59+0.24=
5.9-0.6=6.6-0.7=6-2.5=0.69+0.01=
8.2-0.9=9.2+8=52.8-4=0.85-0.38=
二、笔算。
3.04-0.68=33.65+8.36=8.27+2.21=56.9-12.7=
9.24-1.16=67.96+3.46=9.17+0.07=44.66-3.36=
3.99+0.36=37.4+1.13=7.72+6.56=92.9-28.8=
9.38-1.82=19.69-9.64=2.61-0.46=73.4+3.49=
一、口算。
6.6-0.2=9.7+9.5=90.4-1=0.98-0.35=
6.9-0.1=8.2-0.1=9.1-2.5=0.59-0.08=
8.3-0.2=2+8.6=20.9-3=0.76+0.44=
6-0.8=5.9+0.9=8.9-5.4=0.91-0.09=
5+0.6=6.5+2.1=55.1-1=0.85+0.26=
二、笔算。
5.29-0.83=81.75-8.75=8.33-2.11=97.4-8.9=
9.4+2.11=75.15+4.27=6.89-0.85=35.11+7.85=
2.29-0.31=11.43+8.25=9.68-1.48=80.7+15.1=
7.41-4.38=35.43+7.49=3.35+0.27=74.62+6.77=