四年级数学下册小数加减法练习题精选148.docx
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四年级数学下册小数加减法练习题精选148.docx
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四年级数学下册小数加减法练习题精选148
一、口算。
8.5-0.7=0.9+1=18.1+5=0.51+0.34=
8.2+0.6=6.2-4.6=6.2+0.6=0.65-0.12=
9-0.8=9.6+5.5=77.8+2=0.65+0.4=
5.6-0.7=5.7+2.7=7-3.9=0.6-0.33=
1.3-0.4=7.7+8.8=55.7+5=0.73-0.17=
二、笔算。
3.26-0.95=23.58-2.42=7.57-5.43=99+28.6=
8.76+5.47=71.37+8.94=2.8+0.37=85.02+8.65=
3.77+0.56=12.4-8.67=7.39-1.81=84.5+31.4=
7.59-2.56=54.86-1.3=1.74-0.88=82.96+9.75=
一、口算。
3.9+0.4=3.2+3.9=64.7+3=0.75+0.35=
3.4+0.8=8.8-3.2=8.2+4.6=0.98+0.4=
8.6+0.5=7.5+0.1=23.7-2=0.9+0.43=
1.1+0.3=8.2-2.1=8.9-1.3=0.59-0.34=
2.1-0.8=0.7+3.5=26.3+2=0.94+0.12=
二、笔算。
3.38+0.35=33.97-5.47=9.53+6.98=93.9+11.6=
7.42+5.25=72.23-6.28=8.69+0.65=26.95+9.52=
5.79+0.63=64.78-8.09=9.68-4.52=93.6-2.9=
8.43-3.07=60.89-8.85=3.05-0.12=62.2-5.86=
一、口算。
5.9+0.6=3.7+0.2=91.7+6=0.72-0.01=
2+0.7=8.4+2.7=6.6+3.9=0.7+0.35=
5.9+0.8=3.1+4.4=30.4+1=0.74-0.21=
3.7-0.1=5.5-1.6=8.1+5.8=0.92+0.01=
4.4-0.9=2.8+1.1=16.5-6=0.59-0.26=
二、笔算。
8.15-0.56=90.11+1.49=8.33+1.32=86.6+45.8=
7.5+4.79=78.79+3.62=5.69-0.54=48.6-8.02=
9.23-0.31=83.85-3.11=9.47+6.09=93.8-26.2=
7.22+4.76=33.15+7.38=8.34+0.69=51.33-9.76=
一、口算。
6.9-0.8=5.4+5.7=54.2-6=0.67-0.33=
8.5+0.3=9.7+0.7=6.2+5=0.79-0.28=
2.2+0.6=5.2+2.7=17.1-6=0.61-0.24=
6.6+0.9=7.3-2.6=9+3.6=0.9+0.23=
2.4+0.9=5.5+1.8=90.9-2=0.65+0.38=
二、笔算。
3.24-0.85=99.22+7.21=9.06-2.75=51.2-26.8=
9.37-6.33=23.88-5.87=4.46+0.29=72.73+5.97=
8.9-0.63=31.12+4.36=8.28-5.72=96.9-21.1=
9.83+6.16=44.41+5.78=2.36-0.97=95.96+7.4=
一、口算。
1.9-0.7=7.5+2.7=43.3-7=0.88-0.15=
3.9-0.2=6.1-0.6=9.8-2.4=0.83+0.31=
8.9-0.9=4.5+9.4=77.1-7=0.53-0.43=
2.6-0.8=8.3-1.1=6.7+3.1=0.78+0.38=
3.2+0.9=9.3+3.2=44.2+9=0.81+0.01=
二、笔算。
5.9+0.53=63.67-7.72=7.23+3.09=78.3+2.7=
9.47-6.01=87.81-2.2=8.75+0.67=39.83-8.03=
4.48+0.27=51.23-5.99=8.44-3.9=66.3-38.4=
8.86+3.15=35.12-7.25=3.4-0.22=38.9+2.4=
一、口算。
3+0.9=7.6+4.7=72.6+7=0.72+0.37=
5.6+0.1=6.1-3.8=9.2+4.2=0.88-0.14=
5.6+0.7=5.6+4.9=34.6+2=0.73+0.16=
4.6+0.3=9.1-3.6=7.4+0.9=0.88+0.22=
9+0.1=1.4+5.8=12.2-4=0.84+0.25=
二、笔算。
5.08+0.01=66.98-3.65=7.22+6.63=99.5-7.6=
7.05-3.53=67.19-6.82=2.72+0.87=75.7-1.27=
4.42-0.93=58.17+4.84=7.68+4.03=97.4-10.1=
7.67-2.72=80.12-8.52=2.44+0.82=58.69-9.27=
一、口算。
2.8+0.5=7.6+5.5=32.2-5=0.86-0.41=
4.3-0.4=9.4+1.2=6.2-1=0.78+0.29=
8+0.2=4.8+5=46.7+1=0.62-0.07=
8.3-0.4=5.6+4.2=9.4-4.7=0.68-0.48=
5+0.3=1.7+0.4=20.8-4=0.53+0.12=
二、笔算。
9.3+0.5=94.33+4.78=9.82-2.09=90.9+30.4=
9.5-5.88=64.14-4.53=3.69+0.04=28.64+4.22=
5.91-0.04=18.61-9.31=9.16-1.6=55.5+23.4=
7.07+1.56=31.63-9.86=1.53-0.28=92.87+3.64=
一、口算。
1.3-0.9=8.9+1.5=95.5-5=0.82+0.49=
8.4+0.1=8.3-4.5=9.8+5.8=0.75+0.13=
8.7+0.7=2.7+8.9=55.1+6=0.62+0.06=
6.5-0.3=7.2+3.4=9.7-1.8=0.52-0.37=
5.3-0.8=4.1+1=12.6-2=0.74-0.44=
二、笔算。
6.41+0.58=42.94-3.13=9.56-4.93=60.8+6.5=
7.01+1.77=91.34+1.01=5+0.87=12.2-4.66=
8.08-0.61=18.22+2.15=7.58+3.37=56.8+15.3=
8.02-2.86=22.87-6.09=1.66-0.84=45.56-9.06=
一、口算。
8.4-0.5=8.1+8.8=42.4-3=0.78-0.43=
3.2+0.2=5.5+2.4=8.3+0.9=0.6-0.25=
6.1+0.4=6+8.7=11.3+1=0.87+0.49=
3.9+0.3=7.3+4.5=9-1.4=0.6-0.24=
2.3-0.3=2.6+1.4=69.9-6=0.96-0.2=
二、笔算。
7.51+0.46=86.81+4.09=8.97+1.35=86+16.9=
9.4+2.76=44.97-1.08=6.39-0.66=87.94-1.12=
1.55+0.12=23.76+7.46=7.18+6.92=78.2+40.1=
7.45+6.46=71.55-9.5=8.72+0.95=66.47+8.36=
一、口算。
7.6-0.9=6+2.3=44.2-1=0.85-0.22=
2.2-0.8=9.8-3=9.4+0.9=0.76+0.45=
4.8-0.7=4.4+1.9=62.7-1=0.95+0.18=
1.3+0.1=8.9-4.1=8.6-2.8=0.56-0.1=
8.5+0.7=2.5+3.3=32.8-5=0.99+0.05=
二、笔算。
9.74-0.06=17.28+6.82=7.22+3.48=82.5-18.4=
8.39+2.55=16.37-5.17=1.8-0.99=60.57+6.25=
3.66+0.97=73.87-9.17=9.92-6.11=72.8-39.9=
9.88-1.77=59.48-8.77=3.33-0.81=99.93-2.49=
一、口算。
3+0.5=0.9+7=63.8+8=0.5+0.42=
3.5+0.3=8.8-3.6=7.7+3.1=0.58-0.48=
5.5-0.7=6.4+6.8=29.6-8=0.7+0.47=
8.7+0.9=9.7+4=7.6-1.8=0.55+0.2=
1.2+0.4=9.3+5.9=31.5+5=0.54+0.46=
二、笔算。
4.44+0.4=37.91-9.47=7.19+4.43=54.4+17.8=
9.53-3.74=53.04+2.13=3.04-0.62=97.46+2.38=
1.01+0.1=91.85+9.87=7.73+2.9=85.3-16=
9.27+5.22=37.62+6.87=3.76-0.66=44.91-4.56=
一、口算。
3.8+0.7=6.2+8=27.8+8=0.78-0.14=
7.4-0.2=5.1+0.3=7.2+5.4=0.88-0.32=
8.7-0.5=2.8+4.7=33.9+4=0.75+0.1=
5.6-0.8=5.2+2.9=6.5+4.7=0.94+0.3=
2.6+0.5=0.9+5=43.3+6=0.91+0.48=
二、笔算。
2.71+0.73=75.05+4.42=8.71+3.46=91+29.2=
7.33-4.91=96.59-9.49=5.76+0.38=51.57+6.2=
1.87-0.51=88.81-4=9.6+3.97=63.7+49.3=
8.95+5.33=73.42+8.27=7.94+0.6=81.96+3.94=
一、口算。
9+0.4=2.2+3.4=49.1-2=0.97+0.29=
4.9+0.2=6.5-0.4=9.5+4.3=0.74-0.27=
5.5+0.1=8.4+6.4=78.3-8=0.94-0.02=
1.8+0.7=7.8-2.9=8.8+2.7=0.64+0.46=
2.2+0.7=3.1+7=84.3-1=0.53-0.29=
二、笔算。
4.97-0.49=77.52+8.56=8.03-5.44=83.9-30.3=
7.41-1.04=42.63+3=1.24+0.22=44.39-8.5=
4.67+0.31=90.48+3.37=9.37-5.93=51.7+1.6=
9.13+2.27=74.1-6=5.03-0.17=34.81+6.97=
一、口算。
4.9+0.9=3.9+9.1=42.9-3=0.64+0.29=
6.2-0.8=6.2-4=8.7+1.1=0.69+0.17=
1.7+0.1=4.2+5.6=62.1+2=0.58-0.01=
7.7-0.4=5.6+2.3=7.5-4.8=0.84+0.4=
8.5+0.8=7.9+6.3=71.4-4=0.63-0.11=
二、笔算。
9.54+0.02=28.72-1.64=7.46+3.6=63-44=
8.87+3.8=97.71-8.47=8.39-0.58=67.2-6.67=
4.77+0.56=81.93+9.32=8.94+5.26=55-35.5=
7.81-6.24=88.18-4.4=4.12+0.83=24.55+7.92=
一、口算。
9-0.3=6.9+6.9=68.4-5=0.77+0.08=
3.9+0.7=7.8-1.3=6.6-4.2=0.92-0.37=
8.2-0.7=5.5+6.6=25.9-3=0.98-0.1=
5-0.5=5.5+2.6=9.9-2.7=0.99-0.17=
2.1+0.6=8.4+0.5=40.9+6=0.8+0.37=
二、笔算。
6.06-0.58=20.41-4.05=8.67-5.44=75.4+47.7=
7.68-2.52=13.26-9.4=7.36+0.06=87.87-2.74=
8.42-0.35=72.89+3.69=7.57-2.41=86.3+39.1=
7.15-5.13=92.45+9.75=3.25+0.01=31.85+9.92=
一、口算。
1.8+0.7=4+0.5=16.9-2=0.76+0.03=
9+0.6=8.5-3.1=7.6-1.5=0.8+0.32=
7.4-0.4=3.9+7.5=84.1-3=0.93-0.18=
3.3-0.9=5.8-4=7.5-1.6=0.58+0.47=
4.9+0.7=7.7+8=27.8-4=0.76-0.47=
二、笔算。
8.54-0.04=92.31-2.11=7.45+2.81=77.4-33.2=
7.35+5.13=18.03-5.44=5.85+0.77=82.08+3.7=
3.1+0.98=47.4-1.39=8.37-3.85=67.9+49.5=
8.53+5.76=92.4-5.97=2.43+0.45=99.46-6.65=
一、口算。
6+0.8=8.2+9.4=82.4+2=0.89-0.39=
7.7+0.1=9-3.5=6.8-0.2=0.73-0.13=
6.7-0.5=3.8+7.2=82.1-4=0.88+0.18=
4+0.8=8.8+2.4=8-3.3=0.65-0.18=
5-0.8=3.7+7.2=84.8+1=0.81-0.31=
二、笔算。
7.54+0.99=89.84+3.35=8.54-1.99=93.8-2.1=
8.88+2.25=81.9+6.61=7.54-0.38=94.29+8.2=
8.5+0.74=55.18-4.41=9.08-2.71=94.2-5.5=
9.35-6.83=38.79-6.23=5.81+0.04=55.44+8.78=
一、口算。
4.2+0.2=5.9+9.2=88.3+5=0.66-0.13=
4.3+0.1=5.2-3.3=9.6+4.2=0.85+0.11=
1.1-0.4=2.1+6.5=79.2-3=0.81-0.38=
1.2+0.1=7.5-4.4=7.6-2.3=0.55+0.18=
4-0.3=7.9+6.9=20.4+2=0.9-0.19=
二、笔算。
9.84-0.02=95.41-9.32=9.35+1.58=70.5+17.4=
7.47-2.01=94.65+9.02=4.26-0.7=39.76+5.92=
5.77+0.21=23.11+2.25=8.59+6.23=53-47.3=
7.93-3.56=90.17-5.05=3.22+0.17=54.56+6.95=
一、口算。
8-0.8=3.5+0.3=69.2+7=0.89+0.3=
3.1+0.5=6.6+1.1=6-5.4=0.91+0.47=
8.3-0.3=4.3+1.4=89.2+4=0.55-0.22=
2.8+0.1=7.7+3.6=8.1-3.5=0.52-0.13=
1.9-0.6=6+9.2=12.5-2=0.66+0.48=
二、笔算。
4.62+0.28=94.98-7.38=9.92-3.99=54.4-30=
9.97+4.75=97.8+5.42=2.53-0.44=46.11+7.45=
2.15-0.28=30.22-2.69=7.53+4.75=62.1-31.9=
7.84+6.57=44.91+3.49=1.9+0.08=90.47-4.85=
一、口算。
7.2-0.9=5.3+2.5=57.6-1=0.71+0.05=
7.9-0.2=8.5-2=9.9-4.3=0.68+0.23=
5.1+0.1=6.1+4.3=14.1-7=0.66+0.07=
5.2-0.8=8-0.4=8.3-5.8=0.64+0.29=
1.9+0.6=3.2+8.6=97.5-7=0.87+0.3=
二、笔算。
4.33-0.3=43.71-6.8=9.81+1.1=92.2+24.5=
8.26-1.42=47.82-6.57=4.7+0.65=76.87+5.74=
4.97-0.29=46.47+6.63=9.68+3.21=61.9+29.5=
9.52+5.94=44.9-9.49=7.44+0.74=12.77+6.39=
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