四年级数学下册小数加减法练习题精选128.docx
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四年级数学下册小数加减法练习题精选128
一、口算。
2.6+0.6=7.1+7.9=45.1+1=0.78-0.1=
4+0.1=6.8+4.3=8.6+0.5=0.89+0.21=
5.3+0.6=0.9+5.6=24.9+3=0.62+0.39=
4.7+0.4=9.2+3.4=6.3-2.5=0.92-0.45=
7.9+0.9=2.5+5.3=68.5+8=0.75-0.19=
二、笔算。
7.29-0.74=76.01-8.67=8.66+3.77=86.5-25.7=
7.75+6.79=99.97+4.61=1.91+0.15=16.78+3.44=
2.24+0.25=12.45-5.73=7.22+3.72=70.8-10.7=
8.54+3.96=73.72+6.08=4.36+0.66=41.42+5.68=
一、口算。
7.6-0.1=6.7+7.3=64.8+9=0.61+0.08=
2.1+0.4=5.2-3.5=6.5+3=0.58-0.04=
4.8+0.6=6.5+4.4=28.5+2=0.92-0.34=
4.1+0.4=6+1.6=6.1-5.6=0.94+0.24=
2.6-0.3=5.5+9=56.9-2=0.55-0.15=
二、笔算。
9.89+0.51=36.39-7.52=8.64-1.8=92.2+46.2=
9.03+2.65=87.09+3.23=9.06+0.86=74.9-8.09=
2.98-0.8=93.52-8.57=7.7-6.36=78.3+10.5=
8.99-5.44=69.94-7.91=1.61+0.98=26.37+7.37=
一、口算。
6.3+0.4=4+4.5=79.4+5=0.75-0.07=
3.6-0.5=8.9-0.9=8.9-1.6=0.98+0.33=
6.9+0.9=5.4+1.4=63.7-9=0.66+0.39=
7.3-0.5=9+1.4=6.2+2.6=0.5+0.18=
4.5-0.3=4.3+4.6=46.3+6=0.86+0.44=
二、笔算。
8.04-0.9=54.34+2.58=7.03-1.55=80.5-6.9=
9.31+4.04=81.93-8.74=6.05+0.77=48.59-7.64=
9.22+0.62=34.7+6.34=8.72-4.03=63.1-16.8=
7.51-6.31=66.43+2.29=8.6+0.7=32.96-5.4=
一、口算。
1+0.1=5.9+7.5=72.6-8=0.83+0.13=
3.3+0.4=9.6-0.2=6.4+2.5=0.56+0.21=
4+0.4=4.4+8=54.6+5=0.83+0.44=
5.1+0.6=9.4-0.3=7.1+5.5=0.79+0.08=
5.6-0.4=1.1+7.6=57.8+4=0.85-0.22=
二、笔算。
6.85-0.64=88.93-7.37=7.08+1.27=84.9+48=
9.83-1.26=17.25+2.03=4.22+0.86=91.68+7.09=
7.89+0.93=59.01-8.1=7.89+4.39=91.5-43=
8.1-6.04=32.32-4.29=8.99+0.53=33.76+2.85=
一、口算。
6.1+0.8=2.1+3.3=60.1+6=0.66-0.17=
3.4-0.2=9.1-4.2=8.3+1.6=0.73-0.2=
3-0.8=0.6+2.1=62.7+8=0.87+0.41=
9+0.6=5.4+2.8=6.8-0.9=0.52-0.08=
2.3-0.5=0.2+5.5=59.9-7=0.58+0.24=
二、笔算。
3.93+0.04=92.13+2.69=7.38-5.88=93.2+49=
7.76-1.75=95.52-9.37=7.95-0.65=97.75-7.52=
3.53-0.15=68.54-8.36=7.66+4.02=68.2-8=
8.14+2.5=39.24+3.2=1.63-0.48=38.45-4.2=
一、口算。
4.1-0.4=5.2+5.7=53.8-9=0.65-0.31=
7.3+0.6=6.4-0.4=8-5.2=0.7+0.42=
7.8+0.6=5.4+0.3=12.6-2=0.97+0.12=
7.8+0.3=9.2+3.2=7.7+3.1=0.8+0.33=
5.1+0.2=8.2+3=71.3+9=0.6-0.16=
二、笔算。
5.18-0.92=48.19-3.05=8.5-3.63=73.5+24.5=
7.92-6.05=46.22+5.73=9.5+0.25=53.09-6.86=
3.42+0.05=36.16+1.6=8.67+5.3=87.3-28.5=
9.78+5.03=23.39-7.54=9.69-0.47=18.33-1.05=
一、口算。
2.9-0.9=8.6+8.8=72.2-7=0.95-0.45=
7-0.1=8.4+1.7=6.2+0.5=0.6+0.15=
4.6-0.6=6+3.5=19.8+1=0.75-0.03=
2.1-0.1=6.2+2.9=8.1-5.7=0.69-0.46=
2.2-0.6=6.9+2.3=56.9+4=0.77+0.06=
二、笔算。
5.21+0.57=61.17-2.65=7.72-6.68=99.7+26.8=
9.77-5.86=54.54-3.86=3.78+0.62=76.02+7.67=
6.4+0.55=77.88+4.29=8.99-4.73=76.5+24.4=
9.04+4.62=73.58-5.92=7.51+0.83=52.27+2.45=
一、口算。
3.4-0.8=2.5+4.9=38.9+4=0.77+0.45=
4.9+0.2=8.4+2.9=7+0.2=0.7-0.46=
5-0.8=8.7+1.4=28.6+7=0.65-0.32=
2.8+0.9=9+1.8=8.8+0.8=0.68+0.24=
2.4+0.5=3.6+0.2=16.1-7=0.52-0.02=
二、笔算。
1.18+0.93=83.25-1.45=8.63+2.47=52.4+16.6=
8.41-2.94=48.54+9.08=5.48-0.69=30.58+9.2=
2.84+0.7=88.28-5.76=8.22+4.31=86.6+13.9=
7.9+2.53=46.12-1.99=1.25+0.79=59.28+7.72=
一、口算。
4.5-0.1=9.3+8.6=70.1-2=0.58-0.24=
3.2+0.7=5+3.6=7.8+1.8=0.63+0.27=
6.7-0.6=1.1+8.6=99.1+8=0.93+0.1=
6.1-0.1=9.2+2.3=7.5-4.7=0.51+0.29=
1.6-0.5=6.3+7.8=36.7+8=0.68+0.07=
二、笔算。
2.28-0.51=58.59-2.32=7.74-1.92=81.1+17=
7.31+4.04=29.43-6.64=9.42+0.92=60.67-6.16=
8.41+0.88=27.27-7.07=7.81-4.18=57.2+46.5=
9.18+1.13=22.16-3.44=7.61-0.26=41.09-2.2=
一、口算。
6.6-0.9=6.9+2.3=85.4+4=0.62+0.34=
3.7-0.5=8.7+4.6=7.6-5.5=0.82+0.46=
5.4+0.6=8+0.4=25.2-8=0.87-0.24=
1.2+0.3=8.9+2.7=8.7-1.3=0.59+0.33=
4.8-0.5=8.3+3.8=23.7-7=0.86+0.41=
二、笔算。
9.27+0.89=78.96+6.4=7.29-6.4=83.2+49.6=
7.42+2.26=42.43+7.38=3.69-0.2=10.19+6.11=
9.5+0.49=51.08+5.37=7.35-6.71=56-21.4=
7.31-4.45=54.22-5.57=3.28-0.85=89.91-6.63=
一、口算。
7.5+0.4=4.2+6.5=34.4-6=0.68+0.17=
3.6-0.5=7.8+1.2=9.3-5.5=0.85-0.12=
3.2+0.2=4.9+1.5=52.9+3=0.52+0.18=
8.6+0.8=6.9-0.9=8.7-1.5=0.89-0.43=
8.9-0.5=3.2+2.1=18.1+7=0.84+0.49=
二、笔算。
8.37-0.52=68.16+3.25=7.48+4.09=89.3+16.9=
7.6+6.84=53.11-7.27=4.98-0.33=93.6-6.42=
3.66+0.75=56.75+3.66=8.85+4.71=64.4-33.4=
9.21+2.37=92.68-5.07=2.4+0.99=66.62+5.65=
一、口算。
4.8-0.2=8.5+8.7=98.4-2=0.5-0.13=
3.6-0.1=6.2+2=9.4+0.6=0.88+0.39=
3+0.3=1.6+4.1=20.5+2=0.81+0.05=
7.4+0.6=5.9-1.3=9.9-1.6=0.55-0.24=
1.9+0.3=5.2+9=64.3-6=0.93+0.11=
二、笔算。
6.2-0.72=78.53-5.36=9.81+4.62=89.2+4.7=
8.9+5.72=91.39-2.83=8.08+0.73=98.11+4.26=
1.98-0.46=86.55-1.92=7.11-4.94=96.5+13.9=
8.15-1.93=66.07+3.13=5.38+0.31=48.03-4.54=
一、口算。
5.6+0.9=8.2+8.6=35.5-6=0.68-0.38=
4.4+0.2=6.9-2.4=6.5+3.7=0.85-0.04=
8+0.3=2+8.4=70.1+7=0.59+0.29=
4.5+0.6=9.1-2.4=7.7-3.7=0.55+0.3=
1.9+0.9=5.4+2=69.4+1=0.88-0.1=
二、笔算。
5.34+0.08=64.13-8.37=7.45-1.65=77.4-43.1=
8.97+1.83=53.06-5.61=7.02-0.67=52.12+4.33=
3.29+0.72=67.66-7.98=9.95-5.34=55.4-49=
7.16+2.75=77.81-5.19=4.93-0.74=87.48-6.03=
一、口算。
1.8+0.2=6.2+2.3=19.5-7=0.75-0.3=
4.5-0.6=9.5+0.8=6.6+1.2=0.92-0.06=
8.2+0.4=0.3+3.1=20.1-4=0.57+0.2=
8.8+0.5=8.8-1=6-1.5=0.55+0.23=
7.4-0.6=2.2+6=64.2+9=0.85+0.43=
二、笔算。
4.03+0.18=88.08-1.65=7.03+6.96=70.3-14.5=
7.29-6.72=89.3-7.25=7.23-0.96=75.64+8.55=
4.17-0.49=55.8-5.66=9.49+2.2=84.2+16.3=
8.98+5.83=92.29-7.12=8.9-0.59=22.25-2.98=
一、口算。
5.7+0.1=4.1+3.5=81.1-8=0.7+0.07=
7.8-0.9=6+3.2=7.6+5.9=0.77-0.11=
9-0.5=3.6+4.8=46.4+9=0.96-0.1=
1.9+0.3=7.2-4.6=8.4+1.7=0.79+0.42=
6.1-0.9=8.5+2.5=20.1+5=0.82-0.04=
二、笔算。
2.08-0.86=76.2+2.91=9.71-6.06=82.1+23.3=
8.74-3.72=94.8+6.91=4.48-0.9=24.96+1.59=
6.44+0.48=16.02-1.63=9.19+4.49=87.3+26.3=
8.19-2.74=43.3-3.9=1.64-0.6=29.42+9.54=
一、口算。
1.9-0.4=3+1.4=74.8-6=0.84-0.33=
8.8+0.7=6.7-1.8=9-0.8=0.93-0.25=
1.1-0.2=1.9+8.6=98.9+4=0.65-0.36=
3.8-0.3=6.6-1.4=8.4+5.2=0.77-0.36=
2.5+0.7=2.2+4.6=52.9-6=0.53+0.15=
二、笔算。
2.02-0.9=28.87+1.52=7.03+4.78=53.5+15.8=
9.55-3.12=15.62-6.35=2.02+0.96=31.72+8.87=
6.01+0.3=12.28-3.92=7.74-6.7=75.4+4.2=
9.93+3.07=45.35+9.29=9.54+0.52=12.33-4.57=
一、口算。
7-0.2=7.7+2.2=60.7-1=0.9+0.48=
6.3-0.6=7.2-2=7.1-3.2=0.87-0.01=
7.1+0.2=3.3+7.9=99.4+9=0.85-0.33=
1.6+0.8=7.3-4.6=8.8+1.6=0.75+0.24=
6.7-0.8=1.9+1.2=92.5-5=0.5+0.28=
二、笔算。
3.09-0.65=22.42-8.29=8.44+5.18=59.8-45.2=
9.39-1.88=23.32+2.72=9.53-0.72=63.66-4.07=
6.03-0.62=64.33+3.5=8.89+2.5=93.1-22.1=
7.28-3.83=17.5+2.92=6.57+0.06=24.93+5.73=
一、口算。
7.1-0.7=5.9+6.6=56.3+8=0.88+0.07=
1.5+0.8=9.4-4.5=7.5-3.9=0.78-0.13=
3.9+0.8=8.8+4.6=25.7+5=0.5+0.45=
5.9+0.3=5.5-1.3=6.8-1.4=0.67+0.22=
6-0.9=6.9+1.9=95.2-1=0.82+0.17=
二、笔算。
1.22+0.19=63.88+2=8.87+3.34=92.5+14.1=
7.89-1.62=60.49-4.79=9.48-0.37=63.71-9.4=
4.75+0.92=92.63+7.51=8.77+2.02=59.3-24.8=
8.98+5.1=10.17-2.67=6.86-0.99=88.16-7.83=
一、口算。
2.1+0.5=0.8+7.3=74.5+4=0.68+0.42=
8.5-0.5=9+1=7.1-5.2=0.53-0.43=
4.7-0.9=3.6+8.1=27.7-3=0.66+0.21=
4.9+0.6=6.7+1.1=6-2.4=0.5+0.2=
4.8+0.6=2.7+5.4=11.1+1=0.87-0.05=
二、笔算。
5.57-0.88=93.89-8.89=7.07-1.96=84.4+5.7=
9.43+4.25=10.66-5.02=6.46-0.38=86.89+5.02=
5.42-0.74=70.33-3.94=9.62+3.29=98.2+42.2=
9.4-3.91=15.23-8.97=5.32-0.53=98.92-7.15=
一、口算。
4.5-0.3=4.7+2.4=57.6-1=0.78-0.41=
6.4+0.9=8.2-0.4=6.2+0.2=0.67-0.15=
1.6-0.9=9.1+6.1=27.5+2=0.84+0.29=
2-0.5=5.2-4.3=7.9-0.2=0.64+0.08=
5.8-0.9=5.3+4.7=49.4+7=0.55+0.42=
二、笔算。
3.63+0.43=83.33+3.62=7.62-5.66=63.3+26.7=
9.57+3.42=17.88+5.38=2.26+0.56=32.29-6.79=
2.32-0.45=33.81+3.31=7.48+5.17=74.4+11.8=
9.08+4.71=47.46+2.05=2.44-0.87=98.65+8.49=