人教版四年级数学下册小数加减法综合练习题73.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73.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73
一、口算。
4.9+0.7=1.2+5.8=48.7+4=0.69-0.15=
4.1+0.7=6.3+3.6=6.4+4.8=0.99-0.13=
4.4-0.1=4.5+1.6=30.8+4=0.57-0.08=
4.3-0.9=5.1-4.2=7.5+1.7=0.76+0.29=
4-0.5=0.8+5=92.3+8=0.69+0.47=
二、笔算。
7.98-0.54=61.13-7.15=8.5+1.66=89.9+30.8=
8.03-2.64=80.04-2.83=1.08+0.98=29.19-7.22=
4.36-0.67=28.09+9.01=9.63-6.63=79.6-1.7=
7.23+5.77=10.84+6.01=8.53+0.11=64.39+8.3=
一、口算。
5.4-0.4=9.7+7.7=88.9+9=0.99+0.45=
7.6+0.2=5.2-1.9=9.3+2.4=0.85+0.08=
4.1+0.2=5.2+9.4=41.6+4=0.52+0.35=
1.9-0.1=8-3=9.2-5.3=0.86-0.31=
7.4+0.5=7.7+0.4=22.6+1=0.85+0.06=
二、笔算。
6.27+0.55=85.07+7.66=7.18+1.54=61.1-33.8=
8.42+5.6=15.89-6.11=5.98+0.77=64.01-4.78=
3.01+0.7=56.84+1.17=7.24+3.05=73.1-45.7=
9.41-2.26=72.02+5.57=5.37-0.82=39.67+1.26=
一、口算。
3.2-0.2=8+8.2=64.2+2=0.51+0.48=
6.7+0.5=6.6-3.7=7+2.7=0.55+0.13=
1.7-0.9=8.7+8=46.5+6=0.6+0.48=
6.2+0.6=5.9+3.7=6.7+4.8=0.89-0.46=
2.6-0.3=0.8+8.5=79.5+5=0.67-0.03=
二、笔算。
8.19-0.79=67.5+7.36=7.59-4.87=77.2-31.9=
8.42+4.82=92.13+1.42=7.04+0.48=46.82+4.37=
5.22-0.9=58.36-7.74=8.77-6.38=93.3+15.1=
9.85+1.85=57.34+3.32=4.54-0.69=26.83+6.09=
一、口算。
6.8-0.6=8.2+3.5=11.6+8=0.82-0.47=
1.4-0.4=6.9+3.5=6.9-0.7=0.65+0.25=
3-0.8=9.2+0.8=17.4-8=0.67+0.04=
5.3-0.4=6.8-2.5=8.2+1.8=0.65-0.31=
8.2-0.8=8.2+7.2=20.9+5=0.61+0.48=
二、笔算。
1.17-0.85=49.33+3.65=8.88-3.84=85.6-8.9=
7.43-3.56=55.08+4.98=3.48-0.88=96.63+4.46=
1.69-0.97=41.8+7.68=7.08+1.43=60.5+43=
8.4+3.35=57.31+3.66=3.41+0.75=49.33+8.52=
一、口算。
6-0.4=2.5+4.8=26.5-4=0.88-0.11=
2.3-0.3=8.9-2.2=9.1+3.1=0.56+0.04=
3.6-0.1=3.8+4=67.1+6=0.83-0.19=
1.6+0.6=6.4+2.3=9.2-4.5=0.59+0.08=
3.7+0.5=3.5+8.6=37.8+2=0.61+0.16=
二、笔算。
9.38-0.36=83.59+8.1=7.21+3.93=95.3+26.3=
7.07+3.84=81.99+7.69=5.23+0.72=45.03+4.53=
8.48-0.58=72.16+3.96=7.73+3.11=95+34.5=
8.08+5.33=43.4-2.69=8.47-0.88=96.14-6.9=
一、口算。
3.4+0.4=6.7+6.2=96.1-1=0.5+0.13=
5.9+0.2=6.2+2.4=8.2-5=0.83+0.46=
7.2+0.9=5.8+7.5=77.1+3=0.67-0.33=
3.7+0.7=6.4-4.3=8.5-1.7=0.71-0.06=
5.4+0.3=9.1+5.6=22.1+8=0.76-0.2=
二、笔算。
4.55-0.59=90.68+5.37=9.3-1.18=86.8-44.7=
9.42+2.91=30.84-8.38=8.37-0.45=90.67+3.2=
9.23-0.12=56.61+3.74=9.45-3.24=73.7+23.8=
7.26-1.85=60.31+8.44=4.11+0.76=20.16-4.88=
一、口算。
1.5+0.3=9.5+9.4=49.9-9=0.67-0.43=
6.7-0.8=9.6-1.1=6.1+2.7=0.64+0.25=
4.3+0.9=3+4.8=10.1+8=0.59-0.29=
3.8-0.4=5.2-2.5=6.4-0.9=0.94-0.02=
7.2-0.6=1.1+3.1=34.8-7=0.59+0.29=
二、笔算。
8.77+0.71=83.33-8.23=8.53-4.35=91.7-8.5=
9.07+6.22=55.95-8.91=7.15-0.88=79.83-9.6=
6.91-0.46=14.19+5.3=7.31+3.21=50.7+15.3=
9.55-6.63=60.47+8.81=5.88+0.4=22.52+7.28=
一、口算。
2.9-0.8=3.1+3.6=57.3-5=0.81+0.46=
3.2-0.5=6.6-1.3=9.1+0.8=0.92-0.11=
5.4-0.7=3.2+2.6=99.9-2=0.56+0.23=
2.4-0.1=5.3+3.6=8.3+0.3=0.56+0.41=
7.9+0.4=4.9+1.6=66.3-7=0.76+0.21=
二、笔算。
4.95-0.31=81.55+9.99=8.61-1.08=91.7-25.7=
7.9-6.31=26.21+7.43=5.15-0.7=30.53-5.49=
5.32-0.75=47.66+5.28=7.04-6.28=52.9-45.2=
8.75+2.08=71.8-1.34=2.59-0.62=13.49-6.93=
一、口算。
1.8-0.5=6.7+7.2=29.9-7=0.79-0.19=
6.2-0.9=8+3.5=9.2-0.2=0.51+0.09=
3.5-0.4=7.6+4.9=85.8-3=0.55+0.24=
7.3+0.1=9.4+2.2=8.7+5.7=0.91+0.48=
8.8+0.2=4.5+0.3=40.3+3=0.57-0.16=
二、笔算。
6.68+0.82=98.35-1.04=7.8-3.68=98.9-42.7=
7.15-1.55=61.15+4.86=4.13+0.38=15.16-3.29=
2.47+0.19=13.37+4.17=7.49-2.11=71.8+25.1=
9.8-1.63=72.85-2.2=5.23-0.32=22.33-2.91=
一、口算。
4.7-0.8=1.7+2.6=97.1-5=0.93-0.02=
8.3+0.3=7+2.9=6.3+2.1=0.55-0.16=
7.8-0.4=5.4+2.1=52.1-8=0.79-0.25=
6.1+0.8=6-4.8=9.6-5.1=0.84+0.22=
1.2+0.1=2.1+3.2=36.7-6=0.92+0.24=
二、笔算。
9.7+0.45=12.22+4.71=9.34+6.46=61.4+42.8=
8.31+5.66=43.58+2.3=7.49-0.74=65.36-3.12=
8.62+0.09=87.35-1.22=8.9-6.51=65.8+10.3=
7.98+2.92=85.15-7.35=3.41+0.45=13.92-4.79=
一、口算。
8.6-0.1=0.1+0.3=62.8+7=0.75+0.3=
5.7-0.6=7.1-0.8=6.8+1.8=0.86-0.31=
2.3-0.2=0.1+4.8=90.5-4=0.88-0.08=
7.9+0.8=6.9+2.9=6.8-0.2=0.82+0.32=
6.6+0.7=7.9+0.7=28.7+2=0.97+0.34=
二、笔算。
3.27+0.07=73.27+3.07=9.45-4.38=54.7-12.9=
7.13+5.97=52.78+6.51=3.22-0.76=52.6-5.67=
6.65+0.59=64.72-8.24=9.67+5.97=70.2-12.9=
9.62-2.03=46.78+6.98=2.63-0.27=27.96+4.88=
一、口算。
6.3+0.2=5.8+1.7=71.8-2=0.79+0.05=
3.5-0.7=8.9-4.8=8.5+1.4=0.6+0.07=
6.8-0.7=6.7+1.7=71.8-7=0.57+0.21=
1.9-0.1=6.3-4.5=9+5.3=0.62+0.02=
2.7+0.8=6+0.6=30.7+6=0.61-0.12=
二、笔算。
7.8+0.17=88.27-6.24=9.82+2.45=85.7+47.5=
8.32+2.3=45.97+9.16=2.12+0.03=69.27-6.61=
6.9+0.35=10.22+4.43=8.59+3.97=89.6+17.4=
7.63+4.26=36.61+2.29=7.67+0.6=56.52+3.64=
一、口算。
6.7+0.3=4.4+3.2=46.3+4=0.74-0.29=
6.2-0.5=6+1.7=7.8-5.2=0.86+0.4=
4.5+0.2=7.1+2.5=54.4+5=0.74+0.22=
3.8+0.9=5.8+0.7=7.7+2=0.89-0.37=
5+0.1=1+7.8=96.4+9=0.65-0.33=
二、笔算。
3.2-0.52=53.42+6.94=9.6+3.17=85.6-20.9=
9.15-1.73=13.21-9.08=8.76-0.98=23.17-1.11=
6.93-0.93=72.56-8.56=9.5+2.36=63.8+25.1=
8.33-3.04=20.23+8.28=7.43+0.81=91.63+9.2=
一、口算。
8.7+0.2=8.7+1=24.5-2=0.79+0.46=
1.2-0.8=9.1-4.2=7.6+2.8=0.66+0.37=
6.8-0.9=8.1+4.8=13.9+6=0.93-0.17=
3.7-0.7=9.6+1.1=6.5-2.5=0.69+0.24=
7.4-0.3=0.4+8=69.9-2=0.55+0.07=
二、笔算。
4.54+0.79=20.12+7.86=7.15-2.85=77.2+28.7=
7.03+3.24=36.47+9.97=1.22-0.28=63.96+8.98=
3.28+0.63=39.2-2.02=7.71-4.55=81+36.4=
7.94+3.18=31.18+9.54=3.43+0.85=12.44-8.56=
一、口算。
3.3-0.9=7.7+6.2=66.1-8=0.95-0.31=
5.8+0.6=9+4.9=7.8-1.2=0.51+0.21=
5.7-0.9=3.6+5.3=56.8+3=0.84-0.4=
7.9+0.5=9.1-1.4=8.9-3.1=0.77-0.24=
6.9+0.4=2.5+7.8=53.6+7=0.86+0.01=
二、笔算。
3.3+0.38=30.79+3.26=8.07+4.28=85.6-6.4=
8.41+1.46=43.27+2.07=1.15-0.65=79.24+8.69=
9.77+0.58=46.16-5.6=9.18-4.91=69.3-47.8=
8.69-3.59=78.58-4.55=7.65+0.58=34.82-6.77=
一、口算。
8.1+0.7=5.7+6.6=44.7-4=0.51+0.48=
2.9-0.7=5.6-0.8=9.6+3.3=0.81-0.02=
8.9+0.5=7.3+5.4=58.7-7=0.87+0.34=
9+0.8=9.9-2.5=6.9-3.7=0.62-0.49=
5.7-0.1=8.6+7.3=84.8-4=0.6-0.27=
二、笔算。
8.47+0.33=78.11+2.47=9.98-4.84=86.5-16=
7.21+2.74=93.39+4.67=8.41-0.53=30.32+5.75=
7.62+0.84=19.02+4.32=8.54-3.07=70.1-9.5=
7.6-1.29=23.7-9.12=3.53+0.32=86.84-3.1=
一、口算。
5.5-0.4=1.1+7.4=70.6-4=0.84+0.46=
7.2+0.5=9.5+2.5=8+5=0.86+0.08=
8.2-0.2=6.2+3.1=82.2-1=0.76-0.19=
3.3-0.2=8.4+4.2=7.7-4.2=0.75-0.05=
1.4+0.5=2.4+9.8=71.5-9=0.85+0.18=
二、笔算。
2.19-0.31=49.07-3.76=9.26+4.88=62.2+37.6=
7.89-2.75=40.76-9.77=9.98-0.66=35.97-2.45=
8.57-0.22=97.46-9.67=9.7-2.47=78.3+41.5=
7.67+5.59=87.73+6.03=2.66+0.59=60.78+8.53=
一、口算。
1.9+0.9=3+9.4=16.8-1=0.5-0.27=
5.1-0.2=6.3-3.4=8+2=0.63-0.41=
3.3+0.7=2.6+4.3=66.7-1=0.67+0.25=
6.4-0.1=5.2-1.4=8.2-3.4=0.85+0.12=
4.5+0.5=5+6.6=49.8-9=0.68-0.24=
二、笔算。
9.56+0.03=25.58-9.76=8.16-5.69=78.4+18.7=
8.89+4.9=96.35+7.06=5.83-0.41=98.93-3.71=
7.17-0.1=96.44+2.7=8.08+4.8=98.8-8=
8.68+2.6=74.05+3=4.86-0.97=62.71-5.39=
一、口算。
1.1+0.1=5+3=89.3-5=0.98-0.12=
3.6-0.2=7.7+1.5=7.3+4.7=0.84+0.19=
4.9+0.6=7.7+1.8=11.6+3=0.88-0.11=
8.8+0.6=6.5-1.6=9.8+1.7=0.86-0.34=
3.5-0.4=8.4+3.2=42.2+3=0.59+0.15=
二、笔算。
9.69+0.61=61.04+7.29=8.4+4.11=59.5-49.5=
9.76-5.31=37.39-8.07=5.94+0.46=22.88+2.1=
9.28-0.75=36.83-1.81=8.49+2.19=62.7-4.9=
9.01+6.2=94.64-2.65=5.89-0.03=76.74-3.25=
一、口算。
3-0.6=3.1+3.5=58.5+6=0.67-0.48=
6.5+0.2=8.3-0.4=6.1-0.2=0.94+0.21=
7.9+0.1=8.9+8.7=38.6-1=0.62-0.22=
8.3-0.8=5.8-3.2=8.2+5.5=0.85+0.03=
5.6-0.4=9.7+4.8=23.8+2=0.83+0.08=
二、笔算。
5.88-0.11=79.64+9.11=8.51-3.67=62.5-43.3=
9.51-1.59=20.28-7.86=3.5+0.48=42.45+9.33=
6.28-0.68=34.96+9.58=7.63+5.32=57.8-3.8=
8.72-5.09=32.92+7.05=2
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