四年级数学下册小数加减法练习题精选23.docx
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四年级数学下册小数加减法练习题精选23
一、口算。
2.7+0.2=0.4+8.9=36.5+5=0.95+0.37=
6.9+0.7=7.3-2.7=9.3-1=0.65+0.05=
6.9+0.6=5.9+4.5=39.1-1=0.92-0.42=
6.3+0.3=5.5+2.7=8-4.7=0.54+0.13=
1.2-0.2=3.2+7.4=20.4+8=0.61-0.26=
二、笔算。
9.38-0.6=35.95+6.9=8.25+2.19=83.6+27.1=
8.65-1.25=53.45+4.31=1.23-0.53=69.36-5.68=
5.57-0.65=17.47-3.13=8.93+6.24=68.7-26.8=
8.83+1.53=94.85+8.16=8.33+0.49=43.49-8.32=
一、口算。
4.9+0.6=9.9+1.5=20.1+2=0.89-0.45=
5.2+0.2=7-0.4=8.9-1.1=0.74-0.17=
8.4-0.5=2+2=77.4-9=0.5-0.39=
2.6-0.1=5.7-4.6=8.8+1.9=0.53+0.25=
8.6+0.2=2.9+9=84.2+4=0.54-0.43=
二、笔算。
8.63-0.98=65.4-3.63=8.15-2.62=71-2.1=
7.77+5.72=30.41-4.09=8.96+0.63=36.31+9.5=
5.83+0.32=98.79-4.58=9.78+2.77=50.6-45.6=
9.24+3.66=66.46-7.33=3.46-0.62=11.58+9.68=
一、口算。
1.8-0.8=0.3+8.9=60.2-6=0.52+0.01=
1.4+0.2=6.2+4=9.8+3.8=0.56-0.2=
6.4-0.5=1.1+0.5=24.4+3=0.6-0.21=
2-0.6=8.1+3.3=7.4+5.6=0.75-0.49=
6.4+0.1=0.4+7.1=92.3+6=0.73+0.41=
二、笔算。
5.97-0.15=48.92+8.33=7.74+4.76=63.6+40.9=
9.7-1.89=89.88+3.39=2.84-0.44=71.34+5.69=
2.29+0.12=45.89+2.33=9.19-3.7=52.8-14.8=
7.17-1.47=20.08-3.92=7.15+0.25=75.3+9.5=
一、口算。
8.1+0.9=7.7+3.7=64.4+3=0.97+0.41=
5.4+0.8=9+4.2=7.1-1=0.68+0.42=
4.6+0.6=3+0.1=38.2-3=0.73-0.04=
3.8-0.2=5.2+0.4=8.1+2.2=0.74-0.48=
7.8+0.2=5.2+7.5=24.8-7=0.89-0.23=
二、笔算。
7.16+0.71=24.14-7.82=8.8+3.5=91.5-14.3=
8.81+5.07=85.94+7.92=7.38+0.59=54.9-4.65=
9.24-0.98=27.84-8.98=7.99+6.6=93.7-30.1=
8.76+1.08=77.22+8.96=1.62-0.64=23.66-6.73=
一、口算。
8.1-0.4=4.2+2.1=58.6+8=0.53-0.14=
6.6+0.2=9.2-2.2=6.1-2.6=0.87-0.41=
8.3-0.8=5.4+1.6=93.3-8=0.84-0.26=
5.3-0.2=9.9-3.8=8.8+0.3=0.85+0.09=
8-0.4=1.7+3.2=96.1-7=0.68-0.21=
二、笔算。
8.17-0.18=39.79-2.49=9.2+3.63=98.2-33=
7.61+2.85=64.29-8.55=5.75+0.95=16.63+5.07=
4.42-0.89=23.15+4.6=8.58-4.2=70.2+40.6=
8.3+3.75=49.97-7.96=6.42-0.96=86.44+7.36=
一、口算。
8.3-0.6=1.4+1.3=49.9+7=0.8+0.22=
1.8-0.2=9.5+0.2=6.9-4.2=0.73+0.3=
7.5+0.5=2.5+1=66.3-3=0.82+0.22=
3.9+0.8=5.2+4.3=6.6-5.2=0.58-0.08=
2.9+0.7=1.1+7.3=49.2-1=0.91+0.29=
二、笔算。
7.92-0.53=18+6.47=9.07+5.98=86.7-43.5=
9.58+5.49=71.67+9.4=8.08+0.16=46.75+2.49=
4.18-0.05=58.14-6.64=7.16-5.23=75.7-48.9=
8.89+1.6=76.8-1.15=7.3-0.44=93.98+5.92=
一、口算。
8.5+0.9=2.9+9.6=50.3-9=0.77+0.36=
4.3+0.2=9+3.4=9.7+3.3=0.56+0.36=
7.7+0.8=2.9+9.2=84.7+9=0.67+0.3=
7.2-0.2=7.5+1.1=6.3+1.9=0.93+0.47=
1.8-0.2=9.8+4=40.5+2=0.77-0.48=
二、笔算。
6.61-0.76=47.29+1.45=8.75+6.67=71.5-5.4=
8.11-6.96=89.08+2.28=6.76+0.34=88.81-4.73=
4.6+0.86=68.15-2.03=7.07-4.81=84.9-14=
9.54+3.74=58.98-8.51=4.32+0.58=46.52-4.18=
一、口算。
8.6+0.4=2.7+7.7=23.8+9=0.87+0.14=
6.8+0.3=7.7+0.9=8.6+3.4=0.6+0.35=
3.3-0.4=9.2+0.6=37.3-7=0.63+0.24=
8.2+0.8=9.2+3.9=8-3.8=0.69+0.09=
1.5+0.5=4+0.9=15.6-5=0.54+0.31=
二、笔算。
4.66-0.93=83.27-3.09=8.3-2.68=60.5-22=
8.75-6.28=12.99-1.99=4.98-0.01=70.7-4.49=
7.11+0.17=32.09-6.51=8.52+2.81=64.2-11.1=
9.77+4.32=98.08-1.26=5.79+0.09=67.28-5.19=
一、口算。
5.4-0.2=1.1+0.8=97.4-5=0.7-0.16=
8.3+0.9=5.4+1.6=9.8-0.2=0.62-0.19=
8.8+0.4=5.3+9.9=99.3-1=0.67-0.23=
2.4+0.5=9-1.6=7.2-5.2=0.98-0.1=
5.7-0.8=8+5.6=75.3+6=0.84+0.48=
二、笔算。
3.11+0.68=80.72+1.37=9.4+4.84=85.4+22.7=
8.86+1.9=41.09-6.75=4.76+0.94=31.77-8.6=
9.27-0.53=88.74-9.07=8.68-4.58=60.9-30.5=
9.91+1.47=61.65+2.18=9.23-0.56=60.18-1.42=
一、口算。
6.3+0.5=8.6+6.4=98.9-2=0.84-0.27=
6+0.8=8.3+3=6.1-3.9=0.69-0.1=
4.7+0.2=5.3+7=81.1-5=0.94-0.18=
7.6+0.6=9.3-2.7=8.9-3.4=0.7+0.18=
4.7+0.7=0.4+7.9=87.3+2=0.54+0.41=
二、笔算。
7.63+0.07=11.77+3.24=9.66+2.65=78.3-15=
7.18-2.64=39.01+8.27=3.88-0.13=62.69+1.41=
7.78+0.77=33.18+4.02=8.8+2.75=94.6+14=
8.25+1.66=31.55-2.03=5.41+0.62=52.71-1.92=
一、口算。
3.3-0.4=3.4+9.2=60.3-3=0.99-0.44=
1.8+0.1=5.2-4.8=8.1-0.2=0.81-0.37=
5.4+0.5=5.6+5.7=11.4-7=0.92+0.47=
2.9+0.5=9.3+1.3=9.4-5=0.58-0.19=
7.1+0.4=0.8+2.7=17.1+5=0.88-0.07=
二、笔算。
3.61-0.74=97.49+8.95=9.25-3.91=68.6+4=
9.59+4.6=64.46-4.12=1.63-0.12=14.05+7.64=
3.44-0.5=83.45-9.95=9.17-2.25=68.6+21=
7.23-4.67=94.87+2.91=9.63+0.94=32.14-4.94=
一、口算。
6.8+0.5=4.5+2.7=95.5+9=0.58+0.29=
7.3-0.4=5.3-1.2=7.5+0.9=0.78+0.42=
6.3-0.5=7.8+4.3=32.7-5=0.92+0.02=
3.6-0.3=8.2+3.6=6.4-2.9=0.9+0.49=
5.9-0.5=7.9+4.4=36.9-8=0.91+0.05=
二、笔算。
1.58+0.25=47.13+2.72=7.68+2.02=96.7+13.1=
9.59+4.07=36.7-1.73=8.86+0.07=16.31-9.57=
3.01+0.71=76.84-9.25=8.9-1.67=77.4-48.2=
8.55+1.05=16.42-9.54=1.47+0.4=71.39-2.6=
一、口算。
4.3+0.4=1.2+9.9=67.5+9=0.86-0.26=
1.3+0.3=5-1=7.4-1.6=0.93-0.15=
7-0.2=2.1+9.4=81.5+4=0.59+0.08=
2.2-0.5=7.8+2.6=7.8+0.8=0.51+0.47=
1+0.6=8.3+8.4=72.1-2=0.96-0.23=
二、笔算。
9.49-0.75=93.55+5.3=7.36-1.95=50.2-16.4=
8.59-1.13=56.85-8.5=8.69-0.75=58.31-6.04=
2.98+0.62=71+7.94=8.31+1.07=83.8+14.8=
9.92+6.89=90.59-7.12=8.07+0.64=32.5+5.56=
一、口算。
4.5-0.2=3.9+3.5=67.1+4=0.59+0.32=
4.4-0.7=9.2+0.5=7.8-0.3=0.7+0.43=
4.8+0.8=8.9+3.2=74.9+8=0.74+0.43=
8.4+0.5=7-1.6=6.2-0.9=0.96+0.26=
1.3+0.8=5.2+5.3=33.2-8=0.52+0.2=
二、笔算。
9.52+0.48=44.47-6.04=7.27+2.9=77.1+42.7=
9.93+2.31=21.83-9.39=8.57-0.82=69.69+3.09=
4.41+0.84=21.67+8.22=7.02-6.29=69.9+37.4=
9.01-2.12=39.83+7.59=2.47+0.99=15.42+6.17=
一、口算。
5.3-0.8=3.4+2.1=56.2-2=0.56-0.2=
5.7+0.2=5.9+1.9=6.2+2.4=0.57-0.29=
1.9-0.5=4.6+1.1=20.1-9=0.98+0.13=
4.3-0.2=7.5-0.2=9.4+3.5=0.95+0.42=
6.1+0.9=1+6.1=85.6-2=0.76+0.26=
二、笔算。
4.32-0.94=85.88+2.4=9.02-2.35=69.1+13.9=
9.33-5.54=58.74+7.67=5.56+0.63=15.51+4.52=
4.71+0.25=10.63+9.79=7.08+1.42=82+6.3=
9.36-4.48=87.39-5.83=4.36+0.7=40.39+1.7=
一、口算。
8-0.8=6+9.4=95.4+3=0.63+0.49=
3.4+0.5=5.7-2.2=6.3-3.7=0.77-0.26=
1.3-0.2=5.1+2.5=83.8-7=0.84+0.12=
4.8+0.5=5.1+1.5=9.1-2.1=0.56+0.38=
5.7+0.4=3+1.4=32.2-1=0.54-0.05=
二、笔算。
7.23+0.15=64.37-5.78=7.4+2.63=81-22.5=
7.09-4.38=72.99-6.42=9.86+0.26=45.23-4.66=
8.44-0.34=60+6.79=8.27-2.93=87.6-24.3=
8.57-4.47=91.94-7.34=7.77+0.44=59.04-1.93=
一、口算。
6.7+0.7=8.8+8.4=94.8+5=0.89-0.06=
8.2-0.3=9.3-2.8=8.7-5.2=0.66-0.47=
4.2-0.7=5.9+0.7=44.4+1=0.75-0.48=
2.4-0.7=6.4-3.7=9.5+2.3=0.7-0.49=
6.2-0.4=2.4+1.8=86.7+9=0.83+0.4=
二、笔算。
8.12+0.81=39.99-7.57=9.02-1.33=61.5-21.8=
7.93-2.92=82.49+7.6=8.05+0.92=55.57-4.7=
6.56+0.71=92.44+1.26=8.87-5.4=78.9-10.4=
8.64+6.03=53.11-4.67=3.26-0.72=17.23-4.23=
一、口算。
3.8+0.6=9.9+6.4=99.7+7=0.62-0.12=
2.1-0.8=5.5+2.4=9.3-0.3=0.75+0.19=
1.8-0.5=2.1+2.7=63.3-4=0.91+0.28=
7.7+0.3=6.1-4.2=7.1-0.8=0.69+0.29=
5.7+0.5=4+1.6=17.4+7=0.69-0.06=
二、笔算。
1.71-0.02=57.56-7.14=7.1+1.15=90.2+45=
8.75+4.61=23.57+7.95=1.71-0.07=18.98-7.86=
4.75-0.96=88.57+2.24=8.32-5.22=98.7+12.4=
9.01+2.05=77.56+6.12=7.36-0.23=91.85-9.82=
一、口算。
1.8-0.5=5+3.4=54.3+2=0.94+0.31=
8.6-0.3=6.7+3.2=7.8-3.8=0.6+0.31=
7.9+0.1=0.6+6.4=94.2+2=0.5-0.38=
4.9+0.3=6.3-4.6=6.9-3.6=0.59-0.05=
6.7-0.9=2.1+5.6=71.5-9=0.65-0.03=
二、笔算。
5.95-0.94=85.51-9.21=7.52+5.19=50.2+12.1=
9.24-1.89=46.07+7.35=1.94+0.33=92.61-2.05=
3.6-0.38=74.25-6.3=7.38-5.62=50.4-38.4=
8.54-3.37=61.65+2.67=2.05+0.64=65.66-2.73=
一、口算。
3.7-0.8=5.5+4.2=36.7-9=0.66-0.41=
2.3-0.8=8.7-2.8=9.3-4.7=0.94+0.4=
1.8+0.6=4.1+8.9=55.1+7=0.93+0.21=
6.1+0.8=9.2+3.6=8.4-5.4=0.95+0.42=
6.3+0.3=4.7+0.5=90.3-4=0.8+0.48=
二、笔算。
5.9-0.96=55.39-1.65=9.3-6.67=52.6+19.4=
7.43-6.36=56.01-1.29=8.35-0.68=80.09-1.81=
2.99-0.84=78.08+2.64=9.77-5.12=95.7+15.7=
9.28+4.95=27.12-5.39=2.58+0.2=72.69-6.58=