四年级数学下册小数加减法练习题精选57.docx
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四年级数学下册小数加减法练习题精选57
一、口算。
3.2+0.7=5.9+1.5=71.8+9=0.65+0.45=
8.1+0.4=5.9+2.8=7.8+0.1=0.5+0.12=
8.5+0.3=7.3+7.2=56.6-6=0.69+0.3=
7+0.9=7.4-3=8.4-2.9=0.99-0.16=
3+0.3=7.1+9=81.8-6=0.82+0.3=
二、笔算。
5.15-0.84=87.19-9.71=9.27-5.94=57.4+48.7=
7.17-4.23=50.02+5.22=1.95+0.23=49.73+2.41=
9.72+0.87=19.56+3.9=8.88-6.67=83.5-34.2=
8.5-3.16=42.81-5.52=1.45-0.53=56.76+9.22=
一、口算。
7.7-0.4=6.4+3.5=66.7-1=0.54+0.06=
2.7-0.8=8.2-3.8=8.9-1.5=0.68-0.24=
3.1-0.1=2.1+7.5=50.9-7=0.52+0.04=
1.8+0.8=7.9+3.1=9.4+3.2=0.96+0.2=
6.7+0.1=8.2+6.1=99.8+7=0.57-0.38=
二、笔算。
1.02+0.42=18.47-9.1=9.82-1.51=70.9+17.7=
7.55+5.27=38.78+3.82=8.72+0.47=55.41-9.53=
8.6-0.41=18.48+9.77=7.42+3.98=58.1-15.1=
7.32+6.39=50.82+1.19=5.91+0.85=99.14-9.45=
一、口算。
8.8-0.8=5.7+1.8=88.2-6=0.62+0.31=
7.1+0.4=9.6+2.8=9.9+4.1=0.86+0.43=
6.2+0.4=3.1+2.1=28.7-4=0.55+0.22=
7.9+0.7=6.6-4.9=6.5-2.4=0.62-0.01=
1-0.7=7.8+6=52.3+2=0.9+0.08=
二、笔算。
3.1+0.35=81.68-3.73=8-4.82=95+3.4=
9.24-1.04=83.68+9.98=7.15+0.31=48.47-4.01=
1.56-0.13=20.25+9.27=7.9+6.91=59.7-45.1=
8.93-2.33=84.05-8.34=8.98-0.28=70.53+9.68=
一、口算。
1.8-0.2=4.4+2.6=21.3-6=0.64-0.23=
7.6+0.1=5+3.6=6.5+1.1=0.65-0.35=
1-0.9=5.2+3.7=57.4-4=0.67+0.07=
7+0.8=7.8-4.9=7.3+3.6=0.84-0.03=
1.5+0.9=4.6+7.6=72.2-7=0.88+0.16=
二、笔算。
5.9+0.41=54.04-8.83=9.34+2.23=63.1-10.6=
7.97+6.3=11.82-9.13=2.99-0.43=60.91-4.07=
8.98+0.39=98.55+2.88=7.89+4.49=62.9-34.8=
8.03+5.24=80.3+5.68=8.36+0.69=63.73+4.7=
一、口算。
1.7-0.3=7.5+2.8=65.2-9=0.98+0.25=
8+0.6=7+4.4=7.1+1.7=0.58+0.04=
4.7+0.5=8.7+9.4=25.1+1=0.95-0.3=
1.2+0.6=6.7+0.2=8.5-5.7=0.88-0.49=
2.9-0.3=8.6+1.3=90.8+3=0.61+0.27=
二、笔算。
5.53-0.55=42.25-5.61=7.21+2.61=54.1-36.5=
8.5-1.81=80.95+8.27=4.08-0.71=93.84+2.6=
9.53+0.56=93.23-6.27=9.37-2.92=57.3+48.9=
9.97+4.2=13.07+9.48=9.92+0.21=97.29-2.8=
一、口算。
1.4-0.1=5.3+6.4=62.4-1=0.61-0.37=
6.3-0.3=9+1.1=7.5+1.7=0.88-0.27=
6.8+0.1=6.8+2.6=32.7+7=0.61-0.49=
5.2-0.8=8.5-4.1=9.5+0.5=0.55+0.27=
7.7+0.3=2.9+4.6=59.7-3=0.66-0.3=
二、笔算。
2.82-0.01=86.16+8.21=8.75-4.24=75.4-44.8=
9.65-1.16=25.65+1.36=4.36-0.32=14.88-6.31=
5.43-0.47=44.34-1.6=9.24+3.21=76.3-14.5=
7.9+1.34=38.56+4.44=3.38+0.04=17.96-4.71=
一、口算。
1-0.4=1.9+4.8=58.9+1=0.97-0.08=
6.1+0.4=5.9+1.5=8.7+2.7=0.61-0.08=
5+0.3=5.5+2.4=61.8-6=0.94+0.48=
3+0.3=7.5-1.3=6-2.5=0.97+0.26=
3.8-0.8=9.9+6.9=20.4+6=0.69-0.44=
二、笔算。
8.57-0.71=13.78-5.14=7.68+1.77=73.1-25.4=
7.09+5.31=35.48-6.02=5.52-0.86=66.14-8.45=
6.4-0.36=30.86+4.18=8.6+1.26=64.2-8.3=
7.48+6.47=99.51+3.04=7.94+0.5=81.16+2.1=
一、口算。
1.7+0.2=9.3+3.7=38.4-3=0.59+0.44=
2.1-0.2=9-4.8=8.2-5.3=0.58-0.44=
2.4-0.8=4.7+6.1=97.3-4=0.91+0.08=
7+0.3=9.2+2.7=9-2.4=0.5+0.47=
4.8+0.8=7.5+4.3=82.4+3=0.59-0.14=
二、笔算。
2.7+0.41=64.23-5.96=7+1.19=83.8-2.1=
8.11+4.2=42.9-8.87=1.78+0.53=63.88-3.87=
2.73+0.07=30.95-7.89=8.12-3.39=52.3+17.2=
8.04-4.37=54.84+8.96=8.47-0.31=75.89+3.41=
一、口算。
8.5+0.2=6.2+5.4=34.2+9=0.73-0.38=
5.5-0.5=5.4+0.4=9.3+0.3=0.57+0.3=
7.8-0.2=4.1+7.4=40.4+9=0.5-0.28=
8.5-0.7=9.1+3.7=7.4-5.2=0.57-0.41=
3.6-0.5=9.8+1.6=42.6+4=0.65-0.06=
二、笔算。
8.53-0.43=24.93-6.96=9.16-1.46=95-31=
7.94+5.5=33.61+8.28=5.6+0.05=31.56+4.74=
7.12+0.04=11.75-3.87=9.85+2.39=94.8+16.1=
8.24-3.15=66.83+7.21=5.45+0.59=77.62+5.3=
一、口算。
1-0.5=3.4+0.1=80.2+5=0.55-0.35=
4.2+0.8=8.7-2.5=6.2-5.3=0.71-0.39=
4.4-0.4=4.1+8=61.2-3=0.5-0.2=
2.4+0.4=6.1-2.1=8.1-5.4=0.87-0.31=
6.6-0.7=2.9+8.4=97.8+1=0.64+0.16=
二、笔算。
8.78+0.9=17.18+5.42=8.93-5.18=64.4+32.4=
9.4-2.06=80.99+8.1=5.55+0.65=66.4-2.81=
7.39+0.27=99.27-2.62=8.3-4.02=56.4+19.8=
8.51-5.87=90.16-8.04=6.77+0.57=30.56+8.26=
一、口算。
2.9-0.8=3.7+6.4=73.2+5=0.6+0.2=
8.5+0.7=6.6-3.6=7.3-5.1=0.52-0.15=
4.3+0.6=6.2+2.7=73.9+5=0.92-0.01=
3.4-0.4=9.2+1=8.3-4.5=0.5-0.28=
2.7-0.2=5+8.4=98.6-5=0.69-0.09=
二、笔算。
7.63+0.97=24.75-4.89=9.42+3.57=61.4+7.4=
9.02+4.51=84.81-1.93=5.66+0.21=39.84+3.37=
2.79-0.09=57.8-4.6=7.5+4.49=99.3+20.7=
9.02+4.85=54.68+6.16=7.93-0.57=83.16+3.23=
一、口算。
5.1+0.2=2.8+5.9=70.9-3=0.57+0.05=
7.5-0.2=7.3+1.9=6.2+2.4=0.98+0.36=
6.9+0.9=8.5+8.3=88.4-1=0.58+0.15=
3.6-0.8=5-4.2=6.6-2.2=0.78-0.29=
1.8+0.6=3.4+4.2=39.2+2=0.76-0.48=
二、笔算。
9.81+0.71=10.41-8.84=7.43+5.03=60-13.1=
7.29-1.22=20.97+5.26=3.96-0.75=47.2+4.17=
6.32-0.39=28.13+9.53=7.21+6.72=50.1-3.9=
9.33+4.7=90.74+2.38=3.11+0.61=49.31+7.02=
一、口算。
1.5+0.2=4.9+6.9=92.7+4=0.98-0.15=
1.8-0.8=7.2+0.4=6.5+4.9=0.64-0.42=
7.5+0.9=8.9+4.3=17.9+3=0.78+0.03=
2.6-0.6=5.2+2.1=6.3-1.4=0.8-0.03=
4.7-0.9=1.3+4.4=43.4-3=0.61+0.22=
二、笔算。
9.49+0.2=16.73+5.27=8.74-1.4=69.2-34.2=
7.92-1.71=23.62-7.02=5.21-0.7=30.15-3.81=
6.24+0.5=56.7+3.59=7.21+2.95=59.4-22.9=
7.32+2.81=55.34+3.14=7.15+0.05=40.84-3.58=
一、口算。
6.3+0.4=5.5+4.4=94.9-2=0.67-0.08=
8+0.4=6.1+4.5=8.5-0.2=0.56+0.45=
1.8+0.3=4.5+1.2=56.3+2=0.64-0.35=
7.7+0.2=7-4.1=9.4+3.8=0.6+0.23=
5.3-0.7=4.3+1.2=47.6+8=0.74-0.05=
二、笔算。
6.34-0.06=24.01-1.72=9.51+5.72=78.5-30.2=
8.53-3.94=78.87+8.63=5.47+0.67=49.6+3.42=
7.63+0.27=81.58-4.8=8.83-3.14=56.6-13=
7.22+5.98=14.74+5.69=4.43+0.64=14.51+4.48=
一、口算。
2-0.1=5.6+4.5=99.2-4=0.82+0.07=
6.6+0.8=7.6+2.1=7.2-3.4=0.74-0.37=
6.3+0.9=5.5+1.3=23.1-4=0.5+0.35=
7.1-0.2=9-2.5=6.7-2.6=0.64-0.2=
3.7-0.6=9.9+5=85.5+4=0.89-0.43=
二、笔算。
7.04-0.37=83.78-9.07=9.52+4.34=61.3-27.1=
7.33-4.86=52.89-3.38=5.63+0.6=18.17+5.59=
1.71+0.43=66.95-3.56=7.02+3.89=64.3-37.1=
9.12-4.05=71.08+8.92=1.07-0.65=80.49-5.98=
一、口算。
8.5-0.6=5.7+0.7=47.2-5=0.75+0.16=
3.4+0.8=5.8-4.1=6.7-4.3=0.95+0.2=
5.5-0.1=0.3+4.2=41.7-1=0.78-0.28=
6.3+0.4=8-4.2=8.4+4.7=0.87+0.16=
6.9-0.2=9.4+8.6=92.6-5=0.82-0.4=
二、笔算。
8.27-0.08=16.64+1.75=8.5-2.42=96.6+25.9=
7.12-5.36=36.06+2.03=7.75+0.16=45.14-8.35=
7.57-0.5=73.76+1.22=8.12-2.05=62.4-32.9=
9.4-2.68=43.59+3.36=7.4-0.51=88.57+6.93=
一、口算。
1.9+0.6=5.3+1.5=48.2-6=0.72-0.35=
4.3+0.1=7.4-4.8=9+2.9=0.57+0.18=
5.1+0.7=7.4+3.9=94.5+2=0.71+0.28=
8.4-0.7=6.7-2.7=7.3-1.4=0.66+0.44=
7-0.9=4.6+6.3=21.8-9=0.88+0.45=
二、笔算。
6.61-0.76=83.99-4.06=7.26+4.29=97.9+26.3=
9.69+1.62=65.37+4.8=6.04-0.66=39.08+7.22=
6.52-0.41=91.98+1.07=7.23+4.7=98.7-5.2=
7.97+4.25=49.97-2.23=9.89+0.77=74.86+4.04=
一、口算。
1.6+0.9=9.5+2=94.6-7=0.91-0.1=
2.9-0.5=5.4-3.4=9.9+2.2=0.69-0.3=
1-0.8=8.3+0.6=71.3+6=0.65+0.32=
7.9-0.1=9.1-1.2=6.3-5.2=0.93-0.46=
2.7+0.6=9.7+7.9=36.5-8=0.8+0.42=
二、笔算。
4.43-0.04=45.75-4.88=9.73+5.92=57.5+29.4=
7.79+3.76=58.77-3.88=1.94-0.06=57.83-5.78=
3.96+0.39=47.52+9.4=8.43-1.11=59.2-13.2=
8.08-6.62=54.28+2.65=7.22-0.52=67.75+6.97=
一、口算。
8.7-0.2=1.8+9.3=70.1-7=0.66-0.08=
2.7+0.5=7.2-3.1=6.4+5.3=0.72+0.26=
1.9+0.7=9.6+3.9=31.9+3=0.53+0.06=
1.8+0.9=7-2.7=6.5-0.1=0.73+0.23=
5.8-0.1=8.6+1=44.1-4=0.94+0.05=
二、笔算。
2.66-0.74=67.38+3.81=8.1-1.49=65.4+32.9=
8.76-3.57=81.9-3.94=4.87-0.94=69.16+7.71=
9.92+0.85=12.39+6.97=8.06-5.36=96.7-43.9=
9.05-4.71=12.06-8.62=3.5+0.59=83.31+9.31=
一、口算。
1.4-0.8=3.4+2.5=41.8-3=0.96-0.2=
2.3-0.2=6.1-0.2=7.1+2.4=0.71-0.03=
2.7+0.5=4.1+2.5=42.2-6=0.55-0.14=
3.7+0.8=9.7-3.8=7.1+0.7=0.6+0.27=
5.3+0.8=7.7+5.4=86.5-8=0.63-0.46=
二、笔算。
3.22-0.54=31.63+9.61=8.4+2.86=88.6+29.5=
7.57+1.51=60.62+8.82=3.96-0.34=48.78+6.85=
8.51-0.31=49.19-9.3=9.57+6.13=69.8-7.9=
7.09-1.22=20.26-4.64=3.26-0.37=24.59-1.44=