人教版四年级数学下册小数加减法综合练习题168.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168.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168
一、口算。
6+0.2=6.8+2.7=50.5-2=0.73+0.27=
7.1+0.3=5.5+0.6=9.6+5.1=0.97+0.24=
5.8-0.5=5.5+8.2=22.8-7=0.77+0.28=
8.3+0.8=7.9-2.2=6.4-3.3=0.78+0.26=
2.9-0.8=3.1+1.8=58.9+5=0.66+0.36=
二、笔算。
3.86+0.25=24.97-9.06=7.23+5.77=63.7-6.1=
8.7-5.3=70.56-7.93=1.75-0.41=68.95+4.28=
2.36+0.4=61.46+6.15=9.13+6.3=67.2-46.4=
8.99-3.93=34.99+9.9=4.32-0.66=21.87+2.74=
一、口算。
1.7-0.7=8.3+2.7=39.6-3=0.72-0.28=
4.7+0.4=6.4-3.8=9.1+1.3=0.78-0.21=
2.8-0.3=1.6+9.1=67.4-6=0.67+0.43=
3.8-0.2=6.1-3.8=6.4-4.8=0.8-0.29=
6.9+0.5=9.3+8.7=39.9+3=0.56+0.46=
二、笔算。
6.55-0.68=29.42+5.59=9.46-5.48=66.5+3.2=
8.65-6.14=78.37-9.44=1.41-0.13=82.38-3.64=
7.42+0.03=11.3+5.55=9.84-6.55=55.4+30.7=
9.98+1.23=57.16+3.93=7.19+0.88=42.88+9.98=
一、口算。
9-0.9=0.6+3.6=28.3-6=0.68+0.48=
4.6+0.4=7.8+4=7.8-3.3=0.58+0.36=
4.5-0.1=6.7+5.3=49.1+1=0.78+0.27=
1.7+0.4=6.9+4.1=8.3+0.2=0.6-0.26=
3.4-0.9=9.1+5=85.2+7=0.8-0.23=
二、笔算。
8.16-0.02=11.69+3.19=7.37+1.22=64.7+27.3=
9.92-1.03=13.7+6.55=8.99-0.58=11.95-9.31=
3.92-0.31=37.96+2.66=9.85-2.24=85.8+18.3=
9.31-3.29=52.43+1.59=4.24+0.72=52.11+1.33=
一、口算。
6.5+0.9=5.7+3.6=91.1-2=0.95+0.05=
7-0.6=8+4.9=6.8-2.4=0.7-0.16=
6-0.9=7.7+5.6=33.5+9=0.92+0.19=
8.4-0.9=8.5-1.9=9.3+0.5=0.62-0.38=
6.4-0.1=1.4+2.2=35.9+1=0.76-0.08=
二、笔算。
2.95+0.4=86.63-9.5=7+6.63=61.9-21.9=
9.68+3.68=53.91-8.88=4.72-0.92=82.58+2.63=
6.64+0.61=85.98+8.61=8.8+3.21=82.3+43.1=
7.53+4.56=51.78-3.26=9.75+0.12=51.03+8.89=
一、口算。
1.9+0.2=7+8.4=11.2+1=0.88+0.05=
3.6+0.5=7-2.8=7.5+4.7=0.84-0.21=
8.3+0.9=6.9+0.9=21.9-3=0.99-0.06=
8.6+0.4=8.2-4.9=7-1.3=0.79-0.19=
6.3+0.4=2.7+5.1=96.7+1=0.71-0.06=
二、笔算。
6.77+0.84=82.72+4.18=7.5+6.7=60.8-47.9=
7.08-6.25=97.06+5.72=9.75+0.96=31.67+6.04=
2.01-0.57=21.16-6.54=7.97-5.83=69.6+19.3=
9.27+5.95=81.28-3.11=6.11-0.29=43.42-4.45=
一、口算。
4.6-0.9=3+0.6=23.4-1=0.57+0.1=
8.3+0.1=8.2-3.2=6.8+0.7=0.57-0.13=
2.6-0.5=9.2+5.3=64.8+1=0.51-0.17=
6.7+0.9=8.5-2.7=8.6+2=0.74+0.34=
6-0.6=0.4+7.3=21.6-8=0.79-0.24=
二、笔算。
6.3-0.56=16.06+7.08=8.57-2.57=87.2-9.2=
7.13+6.91=86.09+3.06=4.47+0.43=91.27+6.42=
8.62+0.98=19.86-1.65=7.93+3.32=62.3-25.3=
9.78+1.06=80.71-5.3=5.24-0.34=93.08-9.88=
一、口算。
1.3-0.8=2+6.6=95.7+6=0.6+0.25=
6.7+0.5=9.8-2.6=6.6+2.1=0.92+0.18=
3.9-0.8=7.9+4.1=53.1+8=0.99-0.14=
2.4-0.3=8.8-3=9.2+2.5=0.88+0.25=
3.3+0.6=6.1+5=40.9-2=0.74-0.07=
二、笔算。
1.65+0.42=65.77+6.87=9.35+4.13=74.5-28.3=
8.14-5.31=27.5+6.48=7.33+0.11=22.03-1.68=
4.42-0.17=71.81+4.47=8.61-5.77=69.5+18.9=
9.93+3.66=49.42+1.4=2.55+0.8=54.36-9.45=
一、口算。
5.7-0.5=9.4+4.9=88.4+5=0.85+0.05=
5.8-0.6=5.3-0.8=9.7-0.1=0.75-0.18=
8.2+0.5=1.7+5.8=72.4-9=0.52-0.24=
4.8-0.5=5.6+4.8=9.3-1.9=0.79-0.44=
5.2+0.1=6.6+3.1=35.5+4=0.91+0.08=
二、笔算。
2.09-0.04=87.79+8.65=7.37-1.1=75.4-28.2=
7.36+4.46=23.93-3.29=8.54+0.94=28.17-9.37=
6.05+0.17=63-2.11=9.77-4.69=59.9+28.2=
9.93-1.93=38.53+6.03=5.49-0.8=33.51+3.63=
一、口算。
3.1+0.9=2.6+9.8=55.2-5=0.55+0.36=
2.9-0.1=9.3+1.6=6.7-1.6=0.6+0.2=
2.9+0.6=5.1+0.5=54.4-4=0.56+0.09=
7.5-0.8=7.5-1.8=6.3+0.3=0.52+0.29=
5.3-0.9=5+5.4=40.2-3=0.99-0.3=
二、笔算。
5.49-0.21=32.06-4.76=7.1+2.23=71.9-7.6=
7.15-6.01=27.17+4.81=1.27-0.82=93.32+1.15=
7.84+0.61=43.85+9.04=7.31-5.83=64.4+40.4=
7.31+1.34=85.27-3.51=8.73+0.7=64.65-5.19=
一、口算。
8+0.1=1.5+9.4=69.5-9=0.75-0.07=
4.3-0.9=5.7+1.2=6.1-5.4=0.61+0.22=
1.6+0.2=2.2+2.4=38.2-2=0.88+0.16=
5.5+0.4=8.6-4=9.6+3.9=0.62+0.2=
5-0.6=4+4=26.4-8=0.53-0.15=
二、笔算。
5.23-0.94=42.05+2.43=9.24-4.37=87.6-33.7=
8.77+6.21=18.29-7.7=1.04+0.63=39.76+6.98=
6.99-0.14=77.44+9.56=9.47+5.25=72+33.7=
8.79-5.06=59.58-5.42=6.3+0.7=80.2+9.59=
一、口算。
3.3+0.2=3.6+1.6=78.5+9=0.61-0.05=
6.2-0.6=5+4.9=8.1+1.9=0.85-0.37=
8.6+0.1=8.7+4.7=42.5-9=0.79+0.05=
7.9+0.1=6.3+2.3=7.4-4=0.93+0.43=
5-0.3=2.4+5.5=22.8+8=0.75-0.34=
二、笔算。
3.57+0.49=16.77-3.49=9.78-3.85=93.9-19.8=
8.14+4.55=65.97-1.32=8.14+0.3=61.17-2.82=
3.33+0.87=28.69-1.47=8.72-2.74=81.7+24=
7.32-4.16=69.37+5.34=5.47-0.7=97.02+6.77=
一、口算。
5.5-0.2=2.8+4.9=73.5+6=0.91-0.28=
3.4+0.5=7.5+3.1=6.1+3.2=0.6+0.41=
5.4+0.2=4.6+4.6=85.8-1=0.62+0.22=
2.5-0.8=8.7-4.1=8.1+1.4=0.76-0.24=
4.5-0.9=1.1+4.4=78.3-1=0.95+0.22=
二、笔算。
7.57+0.5=32.05-7.89=9.98+2.16=64.7+45.8=
9.35+1.4=58.09-2.04=4-0.2=99.07+6.92=
6.26+0.45=58.79-2.67=7.07+3.81=75.3-19.3=
8.61+3.37=52.86+6.18=2.07+0.44=16.32+7.42=
一、口算。
5.5-0.6=6+8.6=54.1-6=0.9-0.25=
6.2-0.1=5.2-1.3=6.7-3.8=0.64-0.49=
4.5+0.9=5.5+1.5=59.9+2=0.66+0.08=
5.8-0.5=5.9+3.6=6.8+3.8=0.8+0.06=
8.2+0.2=5.4+5.2=66.7-1=0.85+0.29=
二、笔算。
2.65-0.34=92+3.17=9.42+4.67=73.4+41.5=
8.53-4.06=17.36+4.74=4.32-0.76=37.29-7.29=
2.66+0.97=79.84-2.75=9.29+2.04=72.4-15.7=
9.08-3.87=42.97-2.78=9.43+0.46=47.69+4.91=
一、口算。
2.5-0.5=9.1+7.2=98.2+5=0.83+0.01=
3.7+0.8=7.8-4.7=9.6-5.3=0.62-0.11=
5.2+0.1=1.4+0.6=14.1+9=0.99+0.14=
1.7+0.2=8.1+3.3=8.6-1=0.69-0.46=
6.3-0.4=6+4.9=27.2-7=0.65+0.25=
二、笔算。
1.86-0.65=75.47+3.82=7.32+6.68=78.1-28=
7.88+5.57=94.2-6.75=4.05-0.68=58.64-3.37=
2.8+0.57=80.4+3.14=8.85-1.17=64.8+45.9=
7.94-5.77=47.56+4.2=8.42-0.36=78.9+6.01=
一、口算。
3.6-0.9=6.5+5.7=54.4+4=0.56-0.06=
2.6-0.3=9.3+4.1=6.8-5.5=0.94+0.25=
6.4-0.7=4.5+2.8=57.9+5=0.63-0.16=
1.3-0.6=9.9+0.9=9+5.8=0.77+0.18=
2.5-0.7=2.8+0.7=27.1+3=0.9+0.33=
二、笔算。
8.71-0.9=77.89+6.76=7.7-3.48=71.9-43.5=
8+6.33=13.79+7.57=1.27-0.49=98.03+2.96=
3.58+0.33=44.03+6.52=7.88+5.35=99.9+40.3=
8.91-4.93=13.53+9.01=3.82+0.95=81.19+1.49=
一、口算。
8.3+0.3=7.7+8.5=48.2+2=0.58-0.24=
4.3+0.8=7.7-1.7=7.8+2.2=0.81-0.04=
3.1-0.6=8.7+1=58.6+9=0.81+0.2=
6.7+0.4=8.2+1.5=6.9-2.5=0.54-0.33=
1.1+0.6=3.5+9.8=35.4+3=0.94-0.45=
二、笔算。
6.98-0.45=48.65-6.74=7.56+5.43=93.2+28.4=
7.56-3.63=52.99-9.72=3.67-0.27=62.48-5.02=
3.74-0.32=70.92-4.88=9.76-3.5=65.4-34.9=
9.71+2.31=96.86-6.92=9.65-0.94=48.85-2.98=
一、口算。
6.4+0.1=4.6+3.2=74.3-8=0.89-0.22=
7.1-0.3=7.7+2=7.8-3.8=0.72+0.06=
1.1-0.1=1+8.3=31.5+2=0.76+0.01=
3.9+0.1=9.5+1.8=7.1+4.5=0.96+0.18=
4.8+0.2=5.1+8.2=43.6+6=0.62+0.12=
二、笔算。
8.06-0.04=44.49-9.09=7.54-2.53=59.7+15.9=
8.88-6.06=21.21+2.11=8.94+0.61=90.15-4.71=
8.59-0.59=75.63-3.32=9.54+2.33=62.4+28.5=
8.35-4.87=58.35+2.4=6.62-0.4=45.08-6.38=
一、口算。
8.7-0.8=5.9+7.6=55.2-8=0.74+0.38=
1.3-0.6=7.1-2.5=7-4.3=0.82+0.18=
1.4-0.2=7.9+9.8=74.7-7=0.59-0.07=
4.6-0.5=6.8+2.4=8.5+1=0.51-0.39=
7-0.5=9.2+2.9=23.6-2=0.85+0.05=
二、笔算。
4.63-0.35=28.11+5.73=8.57-1.41=66.9-36.4=
8.47-1.9=53.49+3.29=7.13+0.55=22.05+8.63=
5.44-0.36=10.97-7.62=9.82+5.98=59.5-18.9=
7.59+5.85=50.73+1.77=1.02+0.93=48.64-8.55=
一、口算。
5.1+0.3=4.4+2.9=80.3-1=0.57+0.21=
1.5-0.9=7.6+4.9=6+5.9=0.95-0.26=
5.4+0.4=4.2+9.1=48.6+8=0.83+0.18=
7.7-0.5=5.5-2.5=8.3+5.1=0.83-0.43=
6.8-0.1=3.8+6.7=14.8-9=0.7-0.3=
二、笔算。
4.06-0.47=69.36-6.88=7.17+5.86=88-12.3=
9.04-6.52=43.69-2.4=3.76-0.94=83.95+9.91=
7.16-0.76=59.09+4.62=8.32-5.46=80.2-30.6=
7.29+6.67=19.14-5.27=4.27-0.07=48.79-4.78=
一、口算。
5.5-0.6=7.9+4.5=96.1-8=0.82-0.25=
3.2+0.3=9.2+1.8=9.2-3.2=0.91+0.36=
7.2+0.8=0.6+4.5=53.8-4=0.64+0.16=
4.2+0.1=6.9-4.9=6.6-2=0.95+0.04=
7.3-0.2=3.1+2.6=17.4-3=0.84-0.05=
二、笔算。
4.63+0.95=98.6-5.09=9.38-1.51=80.3-11.1=
9.35+3.32=96.23-6.18=2.72-0.32=49.7+6.16=
6.08-0.41=18.23+5.5=7.92-6.83=91.4-25.9=
7.31-2.9=66.11+4.85=5.79+0.15=32.
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