人教版四年级数学下册小数加减法综合练习题41.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41.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41
一、口算。
2.1-0.5=8.6+4.7=50.4-6=0.66+0.46=
7.6-0.2=5.8-3=8.6-3.2=0.95+0.07=
6.4+0.1=9.7+9.2=43.8+5=0.64+0.09=
8.3-0.7=6.2+1.4=7.2+2.1=0.74+0.41=
5.6-0.1=3.2+4.4=34.6+2=0.89-0.36=
二、笔算。
8.98+0.64=41+9.32=7.03-4.78=81.6-28.1=
8.18-1.02=79.96-9.24=1.32+0.98=88.41-9.65=
4.6-0.16=59.88+5.67=7.95-2.41=95.9+43=
7.02+6.56=64.43+4.28=9.37+0.99=51.02+3.04=
一、口算。
8.6-0.8=8.5+9.7=71.1+6=0.75-0.43=
1.6+0.2=8.5-4.1=9.9-0.1=0.76-0.26=
2.1-0.4=5.6+1.3=91.2-5=0.84+0.26=
2.1-0.6=6.7-4.8=9.1-1.5=0.52+0.39=
7.6-0.8=9.3+8.3=25.2+5=0.58-0.17=
二、笔算。
6.86-0.93=26.49+8.09=8.2+2.68=94.8-39.3=
8.21-1.59=47.99+7.99=8.29-0.07=31.06-7.36=
3.44+0.53=51.97+8.26=8.92-2.41=89.2-25.5=
7.62-2.85=45.81-3.51=4.01+0.82=32.98-3.09=
一、口算。
2.2-0.6=1.4+0.6=18.4+1=0.6+0.1=
3.2-0.5=8.4-0.2=7.7+2.4=0.52-0.32=
5.3-0.7=3+4.8=70.4-8=0.55+0.49=
3.8+0.9=9.8+2.1=8.9+2.7=0.58-0.21=
7.5+0.7=9.9+3.5=51.3-5=0.68-0.47=
二、笔算。
1.91-0.08=12.67-3.02=8.52+3.7=98.3-11.3=
9.49+5.75=81.55+6.47=8.12+0.35=65.75+7.11=
2.72-0.43=91.94+9.56=9.21+4.27=66.8-30.8=
7.13+3.29=71.26-3.18=1.23-0.46=66.53-2.99=
一、口算。
4.5-0.8=2.4+3=95.2+8=0.72-0.23=
1.4-0.9=8.9-0.3=8.6+1.6=0.5-0.14=
7.2+0.9=5.3+4=34.1-1=0.51+0.45=
2.4-0.9=7.9+4.1=8.3+2.3=0.94-0.26=
6-0.3=7.9+2.9=61.3+2=0.89-0.01=
二、笔算。
6.61-0.8=10.72+7.28=7.77-6.82=77.9-17=
8.22-3.47=56.97-2.5=4.49-0.6=75.54+2.9=
1.06+0.97=18.67-2.74=8.43-1.18=60.8-24.5=
8.88+1.52=20.04+5.8=4.41+0.7=24.56+9.1=
一、口算。
2.6+0.8=9.3+3.2=88.7+2=0.92+0.15=
7.4+0.7=9.9+0.7=7.8+4.6=0.85-0.09=
4.8-0.2=9.8+5.8=55.6-1=0.83+0.3=
2.7-0.3=6.7-1.2=7.9+0.3=0.72+0.09=
4.9-0.4=6.1+5.2=25.3-9=0.77+0.33=
二、笔算。
7.32+0.53=11.65-6.71=7.76+1.22=54.3+3.5=
7.27-3.58=59.09-6.01=1.07+0.82=69.02-2.33=
7.92-0.06=86.52-8.73=8.8+2.57=55.1-43.1=
8.45+1.54=16.77-4.86=3.47-0.86=43.44-2.18=
一、口算。
5.9-0.3=2+5.9=28.3+8=0.62-0.3=
5+0.3=5.1+3.6=7.9-4.5=0.61+0.11=
1.8-0.5=2.6+7.4=44.7-1=0.51+0.49=
4.8+0.4=8.3+2.9=9.6-2.3=0.9+0.35=
8.1+0.5=8.9+8.1=85.6-9=0.7+0.21=
二、笔算。
6.55-0.54=14.49-6.69=9.85+3.86=52.5+10.5=
9.35+4.53=46.35-2.07=1.23-0.91=24.85-9.61=
4.54-0.03=76.15+4.94=9.56+3.59=57.2-41=
7.06+3.95=83.15-3.95=6.98-0.4=92.58+3.7=
一、口算。
7.1-0.5=7+3.5=56.6-2=0.6+0.07=
3.9+0.8=6.6-4.8=9.4-5.3=0.95-0.16=
5.2-0.1=0.9+8.8=54.5-4=0.72+0.16=
3.9+0.2=8.2-1.8=9.3+5=0.72-0.18=
7.9+0.3=5.3+6.3=91.7-6=0.94+0.22=
二、笔算。
4.4+0.45=27.63-4.99=8.76+4.27=97.2+40.7=
9.63+5.64=28.22+6.13=3.92-0.06=72.42-7.9=
9.66-0.74=56.36-8.14=9.3-5.78=72.1-6.1=
8.79-6.48=59.67-3.9=3.14+0.15=56.88+9.06=
一、口算。
5+0.3=0.8+2.1=51.4+7=0.71+0.06=
2.2-0.3=9.5-3.3=8-3.7=0.63+0.23=
1.2-0.6=6.7+5.2=75.8-1=0.64+0.16=
4.4+0.6=9.1+3.9=9.1+5.1=0.65-0.29=
6.7-0.6=3.1+6.3=37.8+8=0.89-0.24=
二、笔算。
7.17+0.84=89-1.53=8.67+2.27=86.9-18.9=
9.3+1.16=27.35+5.19=2.83-0.03=64.74+6.59=
9.73-0.91=40.93-5.85=7.89+3.81=84.6-41.8=
7.64-3.54=65.45+5.62=4.74+0.53=86.17-6.2=
一、口算。
1.8+0.9=6.2+7.4=10.5-5=0.63-0.04=
6.4+0.4=5.9+2.2=7.9+4=0.89+0.37=
8+0.9=6.9+5.2=45.9-2=0.57+0.28=
7.2+0.9=7.2+2.1=8.9-4.5=0.74-0.18=
5.7+0.7=6.8+4.7=78.1-9=0.91+0.11=
二、笔算。
6.87+0.64=81.81-4.43=9.16-4.51=56.8-1.7=
9.05+2.78=21.19-5.86=8.97+0.87=59.33-1.22=
2.23-0.42=73.34-8.93=7.98-3.83=71.3+5=
8.43-4.2=47.49+1.7=5.62-0.09=34.57+3.99=
一、口算。
5.1+0.9=2.6+8.4=18.3-5=0.85-0.07=
5.4+0.1=8.4-2.4=6.3+0.7=0.5-0.34=
6.8+0.7=1.8+5.2=67.8-7=0.96-0.3=
1.8+0.2=7.3-1.4=6.6-5.8=0.55+0.3=
4.7-0.5=2+9.6=72.3-4=0.58-0.26=
二、笔算。
8.56+0.53=77.57-5.66=7.02+5.92=65.4-5.5=
7.84-3.07=70.71+6.53=8.25+0.7=95.89-8.48=
1.3-0.47=68.31-7.38=9.29+5.44=93.5-14.9=
7.05-6.44=72.09+5.3=6.68-0.89=17.76+8.94=
一、口算。
4.8+0.6=1.1+4.1=35.5-4=0.8+0.42=
7-0.8=5.6+4.9=6.5+4.2=0.58+0.22=
5.2-0.3=8.3+2.2=66.1-9=0.71+0.1=
2.5+0.1=8.9-2.4=9.6+2=0.99+0.02=
2.1+0.7=5.4+5.2=90.6+5=0.83+0.08=
二、笔算。
2.72-0.28=29.91+3.81=9.89+6.88=61-41.4=
8.29-5.94=39.1-9.87=4.93-0.02=46.3-4.6=
5.84+0.35=92.99-7.34=9.93-3.46=84.9-4.6=
9.2-5.66=54.39-6.33=8.85-0.54=73.4-9.92=
一、口算。
6.3-0.6=6.5+4.3=97.6+2=0.62-0.14=
8.9+0.9=9.7-4.6=9.1+4.1=0.68+0.08=
4.3-0.5=8.2+4.1=83.3+4=0.51-0.01=
6.4-0.5=6.1+2.5=9-4=0.65-0.29=
5.9-0.1=5+4.9=88.1+4=0.76-0.09=
二、笔算。
2.27-0.46=29.85+4.9=9.91-2.42=73.1+21.8=
8.96+5.24=83.31-5.76=7.88-0.18=25.75-7.21=
9.7-0.82=40.69-5.55=9.8-1.54=50.1-6.6=
8.97+5.15=29.49+1.23=8.43-0.3=13.51+7.86=
一、口算。
7-0.3=5+5.4=70.2-3=0.68+0.34=
7.9+0.5=5.6-3.2=9.5-0.5=0.55+0.26=
2.6+0.2=7.7+5.1=40.3-2=0.76-0.29=
7.2+0.2=6.1+4.6=7.6+1=0.64+0.34=
6.5-0.7=2.5+6.2=42.4+7=0.69+0.44=
二、笔算。
4.99-0.74=87.35+1.83=9.3-1.32=53.9+35.7=
8.94-2.94=91.29-5.22=2.5+0.93=42.82-7.74=
5.07-0.22=31.82+9.45=9.09-1.32=78.1-46.7=
9.43+1.85=78.97-3.46=3.94+0.1=95.12+8.13=
一、口算。
4.9+0.2=9.6+6.2=12.2+1=0.84+0.26=
7.1-0.2=8.4+0.7=8.4+1.9=0.5-0.35=
8.3+0.4=2.3+9.4=53.6+8=0.8-0.35=
4+0.8=7.6-2.4=8-5.2=0.75-0.39=
5.1+0.8=9.7+1.3=63.6+2=0.87-0.23=
二、笔算。
8.55+0.8=49.3-1.25=7.32-3.42=80.7-21=
7.39-6.01=98.54+4.82=5.84-0.76=59.99-5.52=
9.93-0.66=36.23-5.29=8.59-4.01=73.4+20.3=
7.69-2.15=44.72+7.24=5.9+0.71=35.02-6=
一、口算。
4.7-0.6=8.6+9.7=13.9+6=0.65-0.21=
2.8-0.6=6.6+4.7=6.8+5.7=0.65-0.29=
4.8+0.5=5.3+8=58.1-5=0.75-0.31=
6.1+0.6=8+2.2=8.4+1.5=0.6-0.06=
8.7-0.5=8.3+2=69.1-1=0.61-0.2=
二、笔算。
3.3+0.2=97.71+3.24=8.95-1.68=63.9-10.9=
7.6+5.22=39.14-2.76=4.81-0.83=22.83+1.02=
8.07+0.23=66.72-6.28=8.84+3.53=56.4+39.5=
8.48-5.3=29.61+7.75=1.2+0.41=70.61+1.19=
一、口算。
7-0.9=2.3+3.4=52.2+3=0.94-0.48=
4.7+0.5=7.5+1.6=6.8-0.8=0.94-0.45=
2.4-0.2=6.8+3.5=86.6-1=0.5+0.26=
2.5+0.4=7.1-3=6.7+3.5=0.63+0.19=
7.1-0.3=5.8+2.3=16.7-6=0.84+0.35=
二、笔算。
6.07-0.46=30.14+8.21=9.4+5.34=64.2-33.9=
9.39+2.42=20.68+3.61=3.27-0.45=73.89-3.56=
8.44+0.13=25.37+6.67=9.93+1.18=99.8-34.1=
9.13+3.77=52.99+9.73=4.59+0.83=57.92-9.84=
一、口算。
1.4+0.4=9.9+0.1=39.3+8=0.8-0.41=
8.8+0.6=7.6+4.2=7.3-2.6=0.96-0.24=
6.3+0.3=9.1+8.6=27.6+7=0.86-0.09=
8.1+0.9=9.4+1.4=7.7+3.3=0.76+0.36=
1.5-0.9=1.7+9.2=99.8-2=0.87+0.19=
二、笔算。
6.56-0.15=40.55-1.7=9.06-1.5=59.9+43.8=
8.52+6.53=55.85+5.74=8.23+0.66=49.65-2.14=
3.44+0.76=59.24-3.57=7.81+6.82=58.3+20.3=
9.01-3.31=99.74+4.59=5.79+0.54=60.43-3.02=
一、口算。
7.3+0.1=8.2+4.8=69.6+9=0.5+0.23=
3+0.6=9.2+4.9=8.3-3.7=0.93-0.17=
7.6+0.2=6.1+9.9=47.7+1=0.52+0.03=
4.1-0.9=5.9-3.3=7.3-2.7=0.7+0.25=
4.5-0.1=9.8+1.2=83.4+2=0.77+0.12=
二、笔算。
5.3+0.21=67.92-4.06=7.76-5.97=53.5+42=
9.97-1.79=46.63+6.21=9.31-0.69=37.06-9.19=
5.06-0.39=37.45-3.14=9.36-4.48=75.1+34.7=
8.22+5.85=79.71+6.75=7.29-0.39=99.12-8.07=
一、口算。
3.9-0.1=4.8+5.3=44.8-4=0.62-0.22=
5.1+0.4=7.5-3=7.1-0.5=0.65+0.41=
2.2+0.9=3.5+5.4=94.4-1=0.95+0.06=
6.4-0.9=6.6-0.2=6.8-2.1=0.67+0.49=
1.5+0.7=4.9+5.9=64.4+9=0.67-0.22=
二、笔算。
3.94+0.43=75.7+8.03=8.35-1.61=61.3+13.1=
9.29-5.98=27.83+6.08=9.69-0.19=42.05+8.01=
6.62+0.44=67.57-9.86=9.45+4.88=81.5+41.5=
9.39-1.82=62.57+4.58=8.21+0.84=77.04+5.87=
一、口算。
8.1-0.9=3.6+0.3=44.1-7=0.81-0.3=
8.6+0.2=8.9+1.7=8.9-1.9=0.9+0.03=
5.7-0.2=9.7+3.5=27.9+8=0.96-0.41=
4.8-0.5=6.1-1.9=8-2.2=0.8+0.23=
4.7-0.5=4.6+9=57.4-7=0.57+0.1=
二、笔算。
3.52+0.69=34.22-6.36=8.05-2.48=75.7-46.8=
9.68+5.83=37.76-2.82=6.04-0.66=62+3.92=
2.51+0.48=31.1-3.53=8.08+3.13=74.7+19.9=
9.9-2.25=47.99+8.81=1-0.59=23.42+7.31=
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