人教版四年级数学下册小数加减法综合练习题205.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205.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205
一、口算。
4.2+0.3=4.8+9=40.8-1=0.81-0.08=
3.6+0.5=6.7+3.6=9.4+2.3=0.98-0.13=
2.3+0.5=4.3+7.3=23.8-2=0.63-0.16=
7.7+0.1=7.9-2.7=6.3+1.9=0.8-0.48=
6.1-0.4=3.1+6=90.8+9=0.57+0.13=
二、笔算。
4.67-0.47=34.28-1.96=9.07+4.55=74-33.8=
9.28-1.1=58.11-3.04=5.58-0.91=44.18+6.28=
3.09+0.52=12.74-8.41=9.82+6.22=99.9+21.1=
8.51-5.54=59.86-5.29=5.49-0.11=17.36+8.11=
一、口算。
2.6-0.6=2.5+1.6=25.2-5=0.51-0.28=
8.6+0.2=7.9+1.6=9.2-3.2=0.85-0.03=
2.6+0.1=8.2+7.2=33.9-1=0.68-0.03=
1.1+0.7=8.5-4.1=9.8-3.3=0.55+0.12=
6.1+0.9=0.9+5.2=16.8+4=0.9-0.29=
二、笔算。
1.81+0.72=87.22-4.03=8.03+6.79=79.4+36.5=
9.94-3.65=24.59-6.32=7.16-0.14=66.7+9.98=
2.92+0.07=48.3+8.75=7.21+6.44=69.9-8.9=
9.82-3.11=15.03+2.72=6.98+0.45=88.05+1.47=
一、口算。
1.1-0.8=7.1+7.6=66.8+7=0.8-0.49=
6.9-0.9=8.7-1.5=8.6-2.9=0.67-0.4=
6+0.2=9.3+5.1=59.2-6=0.94+0.21=
6.5-0.5=5+3.8=8.4-5.1=0.65+0.27=
8.4-0.5=6+7.1=96.1+6=0.73-0.22=
二、笔算。
6.29-0.54=93.05-5.77=8.52-4.6=57.4-4.2=
7.62-1.53=55.39-8.26=2.43+0.36=92.11-6.22=
4.81+0.95=64.78+8.63=9.13+1.7=52+23.7=
8.2+3.73=32.86+7.69=8.16-0.79=64.32-7.28=
一、口算。
4.2-0.6=8.8+7.7=99.2-7=0.51-0.21=
2-0.6=8.1+1.8=7.2+4.6=0.97+0.07=
7.8+0.1=7.4+9.7=74.8-3=0.8+0.22=
3.9+0.9=7.1-3.7=6.6+2.8=0.96+0.12=
7.5-0.8=5.7+5.2=14.1+1=0.96+0.08=
二、笔算。
3.19+0.46=17.29+6.01=7.87-4.77=88.5-33.9=
8.42+1.76=15.81-5.06=7.85+0.04=38.04+6.19=
1.45-0.4=52.82+8.36=8.98+3.64=81.4+21=
9.26+3.53=67.2+6.33=9.13+0.52=67.19-2.18=
一、口算。
7.6+0.8=3.1+0.7=85.9-2=0.61+0.46=
6.9+0.8=7.5-3=8.1+5=0.83-0.05=
6+0.4=5+9.1=37.7-2=0.75-0.46=
5.7-0.3=8.5+3.6=9.5-3.2=0.86+0.31=
2.2-0.3=2.5+5=25.4-6=0.84+0.13=
二、笔算。
5.33-0.82=39.98-4.54=8.88+1.21=77.1+20.8=
8.03-1.71=69.03+3.53=5.74-0.89=35.52+9.03=
5.09+0.79=60.61-5.92=8.66-4.95=96-9.7=
9.15-3.15=31.39+8.46=2.75+0.02=55.95-4.13=
一、口算。
1.4+0.8=0.7+5.5=16.8-1=0.51-0.01=
1.4+0.9=8.9+0.9=9.7+1.3=0.84+0.31=
3.5-0.6=2.6+0.7=28.4+7=0.56-0.41=
7+0.2=7.3+4.9=8.7-4=0.92+0.21=
2.1+0.6=7+9.9=79.7-3=0.98-0.38=
二、笔算。
8.89-0.3=12.24-3.22=8.26-2.8=68.2+47.3=
8.58+4.19=22.53-1.91=9.11+0.27=85.4-7.5=
1.57-0.23=72.65+1.65=7.1+2.98=71.4-12.1=
7.92-3.5=35.6-9.3=4.09+0.99=57.84-6.23=
一、口算。
5.1-0.2=6+8.6=95.8-5=0.69-0.13=
5.1+0.1=6.9+4.8=8.1+5.4=0.74-0.06=
2.3+0.3=1.5+0.3=66.1-2=0.55+0.23=
2.5-0.5=9.5+1.7=7-2.5=0.69+0.39=
8.4-0.3=3.1+2.5=72.7+7=0.52+0.21=
二、笔算。
8.43-0.8=84.83-9.91=7.72-3.33=97.1+28.4=
8.01+6.43=11.36+4.84=6.21-0.45=82.33-5.33=
6.5-0.37=81.82+3.99=9.55+3.31=92.3-30.4=
7.11+4.61=63.43-5.09=2.83+0.43=89.17-9.45=
一、口算。
6.6+0.5=4.8+4.3=60.6+7=0.5+0.48=
7.4+0.4=8.1-0.2=9.2+1.4=0.71-0.49=
1.6+0.9=1.4+5.9=61.8+7=0.89-0.09=
5.7-0.1=5.6+3.7=9.8+5.1=0.7+0.19=
5.3+0.2=4.9+9.4=30.7-1=0.53+0.35=
二、笔算。
8.34-0.68=60.05+7.72=9.33+6.81=54.4-23.3=
8.89-1.24=69.58+6.3=5.82+0.95=42.26-9.09=
2.31-0.58=58.18+7.76=7.09-3.79=83+44.6=
7.16+2.52=61.09-6.43=3.7+0.02=42.21+9.26=
一、口算。
4-0.3=2.3+5=82.1+9=0.64-0.14=
6.1+0.7=9.9+1.9=7.1+1.5=0.56-0.48=
5.3+0.2=2.7+6.1=26.3-5=0.7+0.17=
7.8+0.2=5.6+3.5=8.6-2.3=0.54-0.37=
1.4-0.4=6.7+2.8=97.6+8=0.63+0.39=
二、笔算。
1.5-0.08=32.37-8.41=7.23-6.76=89.2+4.7=
8.64-2.87=86.03+5.28=1.18+0.84=53.27-2.96=
9.63+0.95=17.42-1=7.48+4.43=71.7-2.7=
8.41-3.08=50.74-2.32=3.43-0.97=45.18-9.43=
一、口算。
6.1+0.1=7.8+6.6=30.6-2=0.98-0.33=
4.3-0.3=8.5+0.1=6.1+2=0.8+0.27=
1.7-0.9=8.1+8.1=10.8+8=0.63-0.37=
5.7-0.4=7.3+0.7=8.4-0.1=0.99-0.2=
2.2-0.7=8+4.3=76.6-9=0.71+0.14=
二、笔算。
9.47-0.66=53.17-6.07=8.85+4.95=77.1-1.8=
7.12-1.18=25.06+7.03=4.62+0.02=93.24+9.97=
3.39+0.43=60.35+6.88=8.31+1.42=92.8+10.5=
9.15+6.04=44.17+1.44=2.17+0.56=22.46+9.01=
一、口算。
7+0.6=0.7+6.9=32.8-6=0.64-0.3=
6.9+0.7=5.4+3.2=6.2-4.5=0.63+0.01=
4+0.2=5+2.9=37.4+7=0.93+0.01=
8.1-0.4=9.2+2.8=8.2-0.1=0.66-0.34=
5.4-0.2=2.9+2.3=57.3+5=0.94-0.05=
二、笔算。
6.12-0.34=87.23+4.56=8.54-1.2=68.6-42.4=
9.31+6.11=88.44+8.68=6.47-0.06=49.29-6.31=
6.02-0.36=72.85-4.62=8.1-3.08=82.3+34.8=
9.74+3.92=39.18+1.46=3.9+0.8=74.62-7.06=
一、口算。
8.6+0.9=8.2+1.4=98.7-5=0.79+0.36=
5.9+0.6=8.6+0.9=9.9-3.6=0.82+0.02=
3.7-0.8=2.7+6.9=30.1+3=0.51+0.38=
1.6+0.2=6.1-3.4=9.8-1=0.55+0.26=
8.1-0.6=3.1+8.7=60.5+7=0.95-0.35=
二、笔算。
6.46+0.4=41.96-9.29=8.66-6.38=96.1+15.5=
8.26-6.9=51.76+5.48=9.21-0.53=60.42+8.62=
2.1-0.08=83.63-7.94=7.03-4.67=50.9+38=
8.41-3.09=22.49-8.06=2.66-0.05=91.17-1.6=
一、口算。
6.9-0.8=2.7+3=93.6+8=0.52-0.11=
8.4+0.2=8.2+4.5=9.7-4.1=0.78-0.16=
8.1-0.5=6+8.6=25.5-6=0.64+0.1=
4.5+0.9=6.7-3=6+5.3=0.98-0.01=
7.9-0.6=1.2+0.7=68.7-7=0.92+0.36=
二、笔算。
1.53-0.3=57.16-2.78=8.88+1.49=84.6+4.3=
9.32+5.75=76.07-4.44=1.06+0.13=20.29-7.01=
8.21+0.28=52.38-8.69=9.83-2.85=68.4-9.5=
7.26-2.33=23.48+7.21=7.71-0.87=50+8.06=
一、口算。
8.1+0.4=8.8+3.1=87.6+3=0.83-0.05=
2.7+0.6=9.1+0.5=6.9+5=0.91-0.02=
7.7+0.8=1.3+7.9=56.9+7=0.83-0.33=
3-0.1=6.8-2.4=6.2-0.9=0.9-0.42=
4.4-0.2=2.8+2.6=86.8-7=0.55-0.44=
二、笔算。
4.38-0.76=76.4+5.78=8.85+4.36=58.5-23=
8.99-3.35=74.9-8.9=4.58-0.36=53.03-6.37=
1.2-0.16=10.53+5.78=8.57-6.42=52.2+28.5=
8.19-3.64=39.39+6.34=2.44-0.54=32.07+2.6=
一、口算。
2.1+0.6=7+1.7=94.5+4=0.91+0.16=
7.3-0.2=5.3+4.5=9.9-2.5=0.97-0.17=
5.2+0.1=8.9+2=59.4-7=0.81+0.43=
2.2+0.2=9.1-2=9.4-1.2=0.62-0.38=
5.8+0.3=7.9+5.2=82.3-6=0.91+0.43=
二、笔算。
7.61+0.47=67.98+9.82=8.07-5.73=90.9-43.8=
7.54-4.99=92.55-6.59=7.2+0.8=13.09-4.13=
8.31+0.9=42.66+3.36=9.4+4.34=70.8+37.8=
9.98+5.09=42.9+1.28=7.62-0.9=94.74+5.61=
一、口算。
1.6+0.2=3.6+0.7=51.7+5=0.78-0.34=
7.2-0.7=8.9-1.6=9.6+4.7=0.56-0.15=
1.4-0.4=1.2+2.5=62.5-2=0.96-0.17=
6.8-0.2=7+1.3=8.5-3.7=0.76-0.31=
5.5+0.1=9.1+9.9=79.5+1=0.9+0.3=
二、笔算。
3.35+0.69=59.33-1.54=8.78-5.27=51.1+10.5=
8.99-6.22=57.23-9.12=1.65+0.74=21.63-1.52=
9.88-0.39=16.13-2.6=9.99-1.19=64.4-3.2=
8.02-1.85=99.85+6.91=2.57-0.63=88.73-5.19=
一、口算。
8.7+0.6=5.9+1=12.5+3=0.71-0.18=
4.2+0.9=8.9-1=9.1-3.7=0.82-0.36=
5.6-0.1=9.9+1.5=74.4+7=0.75+0.47=
3.4-0.7=8.9-2=8.7+5.1=0.64+0.48=
7.2-0.2=6.2+9.4=41.6+3=0.95-0.49=
二、笔算。
5.97-0.27=99.36+1.9=8.33-6.01=61.4-18.3=
9.04+3.06=79.67+9=5.59-0.54=19.49-6.31=
4.5-0.73=39.3-3.6=8.31+4.6=95.9-27.4=
7.99-5.33=62.27+5.69=4.9-0.22=45.87-1.63=
一、口算。
8.9-0.2=6.6+9.2=29.8-8=0.91-0.46=
2.2-0.3=6.1-2.5=9.9+2.4=0.57-0.48=
4.5+0.6=4.8+8=51.3+2=0.85+0.2=
3.7-0.6=5.6+3.2=8.5-3.9=0.5-0.43=
8.5+0.8=4.1+7.2=27.6+8=0.6+0.04=
二、笔算。
4.06-0.24=82.08-5.49=9.19-3.88=74+19.2=
9.04-3.5=88.25-1.48=8.27-0.61=16.78-5.78=
4.44-0.19=89.34+6.24=8.69+4.13=89.3+44.9=
7.67+2.03=80.14+4.5=9.43+0.57=50.91-7.35=
一、口算。
3.6-0.5=5.8+1.7=59.8-3=0.85-0.28=
2.1+0.2=9.9-0.7=6.9+0.9=0.75+0.29=
6.4-0.8=4.4+2.3=22.5-6=0.87-0.06=
2.6-0.4=5.3+4.9=6.5+5.2=0.55+0.06=
7.3+0.5=7.1+8.9=29.6+3=0.74-0.14=
二、笔算。
5.13+0.3=67.75-7.9=7.49-6.11=83+11.7=
8.07-6.77=56.22-1.68=7.11+0.54=43.42+3.72=
4.51+0.44=96.72+7.59=8.43+3.03=67+24.5=
8.91+6.69=89.72-1.46=8.25+0.31=92.53-2.35=
一、口算。
8.7-0.5=8.5+0.8=39.2-4=0.92+0.15=
7.8-0.9=6.1+2.1=7.6+5=0.53-0.08=
5.6-0.3=6.9+7.5=81.6+4=0.86-0.07=
6.9+0.3=5.9-4.4=6.9-1=0.59-0.14=
5+0.6=1.2+8.1=37.1+3=0.74-0.2=
二、笔算。
6.61-0.32=53.53-6.57=8.49-1.81=62.9+1.2=
8.83+6.88=67.45+3.09=6.56-0.86=15.78-6.47=
2.6+0.55=48.71+5.03=9.91-3.65=54.2+25.2=
9.58+5.31=25.23+8.22=5.96-0.87=30.16-5.04=
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