四年级数学下册小数加减法练习题精选190.docx
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四年级数学下册小数加减法练习题精选190.docx
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四年级数学下册小数加减法练习题精选190
一、口算。
5.1+0.8=6.7+5.2=16.8+3=0.9+0.01=
2.9-0.8=5.2+0.5=9.8+3=0.59-0.3=
8-0.9=7.2+4.5=29.8-5=0.71-0.32=
2.5+0.5=6.8-0.5=6.6+1=0.66+0.05=
1.7-0.8=9.6+4.2=25.5+7=0.52-0.19=
二、笔算。
9.76+0.81=87.31-8.44=7.16+5.76=62.7-34.3=
9.76-5.25=84.83+6.03=2.09+0.05=69.76-9.25=
1.04-0.38=76.64-5.75=7.77+6.17=50.2+3.8=
8.09+5.32=48.36+9.37=5.62+0.77=46.5+8.73=
一、口算。
9-0.8=9.1+1.7=33.7+5=0.61-0.27=
1.9-0.7=9.8+1.7=6.2-1.1=0.8+0.16=
7.9-0.9=3+8=92.5-9=0.77+0.14=
5-0.1=9.5+2.1=9.7-4.1=0.89+0.23=
2+0.5=9.9+4.4=49.3-7=0.64-0.4=
二、笔算。
8.43-0.4=91.49-4.53=9.27+4.74=89.3+10.2=
8.8-4.82=68.34+9.07=5.31+0.98=89.66+1.9=
3.63-0.57=97.85-5.72=9.29+3.87=62.3+6.2=
9.13-2.12=93.06+2.58=4.55-0.86=54.43+7.73=
一、口算。
2.9-0.6=7.6+0.5=16.1+3=0.85-0.48=
7.8+0.7=9.2-4.6=7.1-4=0.84-0.06=
4.5+0.9=8.1+8.6=99.7-6=0.77+0.42=
1.1+0.5=5.7+2.6=7.7-3.4=0.89-0.06=
2.4+0.7=2.8+4.2=85.4-5=0.53+0.39=
二、笔算。
3.24+0.13=80.03+2.18=8.81-3.04=81.8+12.4=
7.21-6.91=43.46-9.24=8.11-0.22=26.28+6.15=
2.82+0.59=29.69-2=7.27-2.84=82-45.6=
9.68+1.97=80.19-4.23=8.08-0.16=99.67+6.25=
一、口算。
5+0.9=9.5+7.5=87.6-6=0.51-0.11=
4.1-0.4=5-3.1=6.2-1.3=0.53+0.21=
6.5-0.3=8.7+9.5=88.2-3=0.76+0.19=
3.4+0.2=5.7+3.6=9+5=0.69-0.31=
5.5+0.6=5.5+2.6=92.7+7=0.56+0.4=
二、笔算。
1.34-0.9=51.74+6.86=9.21-3.78=60.3-36.2=
8.93-5.27=87.26+7.29=7.63-0.29=81.24+7.69=
4.35-0.79=11.07-1.42=7.44-3.87=58.9-49=
7.97-3.93=35.55-8.93=2.98+0.98=12.96+3.67=
一、口算。
8.5+0.9=8.9+7.4=39.7+2=0.9+0.22=
7.4+0.3=9.9-2.8=7.3+3.9=0.5-0.46=
6.5-0.1=8.6+0.9=55.1-8=0.79+0.09=
1.6-0.7=6-4.7=6.7-4.9=0.57+0.28=
5.4+0.7=4.7+7.7=50.4+9=0.53+0.29=
二、笔算。
4.57+0.68=32.97-2.66=8.85+1.42=65.5+16.8=
9.68+2.46=79.15-2.58=5.69+0.74=63.74-6.64=
7.68+0.14=52-8.98=9.55-4.54=66.2+34.8=
8.36-5.24=44.68+3=7.01+0.44=78.62-6.29=
一、口算。
7.7+0.2=7.1+4.7=32.1+3=0.64+0.12=
4.7-0.4=9-3.2=8.6+4.4=0.65-0.23=
3-0.3=7.5+5.5=90.5-3=0.68-0.17=
6.2-0.8=9.8-3.2=8.3+0.3=0.73-0.4=
8.3-0.7=9.2+5.4=97.3-7=0.64+0.32=
二、笔算。
8.71+0.45=83.57-5.81=7.92+1.71=90.5-26.3=
8.95-1.45=41.67+8.36=7.85+0.46=55.7+5.64=
5.93+0.06=54.16-6.68=9.87-4.39=89.5-14.6=
7.07+5.96=88.4-5.23=3.35+0.25=28.09-2.03=
一、口算。
6.7+0.7=8.7+9.1=48.5-7=0.67-0.05=
3.8+0.7=5+1.6=7.5+2=0.68+0.19=
5.3+0.8=8.4+8.8=11.8+7=0.59-0.22=
1.9+0.7=6.2+1.5=6.3+2.5=0.61-0.47=
3.7-0.9=3.3+7.8=41.2+7=0.7+0.13=
二、笔算。
3.9+0.04=29.12-7.95=7.35+1.46=73.1+14.9=
9.25-5.81=99.52-3.83=9.47+0.89=93.8+8.58=
4.96+0.4=62.41+1.98=8.06+6.07=78.6+26.7=
8.82-1.25=37.72-8.99=8.57-0.99=59.25+9.48=
一、口算。
3.9+0.6=7.2+4.1=68.9+3=0.96-0.03=
4.7+0.8=7.7-3.6=7.5+1.9=0.72+0.46=
6.7-0.1=5.5+5.4=41.1-4=0.67+0.23=
1.7-0.8=7.6-4.1=8.4+1.5=0.72-0.06=
4.7-0.2=4.8+5.2=13.3-2=0.55+0.03=
二、笔算。
5.26+0.83=24.97-8.02=7.87-4.71=88+36.2=
8.51+5.81=40.9-9.76=6.04-0.75=41.23+1.92=
6.25-0.98=71.6+2.88=7.46+5.49=60.7+28=
8.68-4.83=73.45+5.71=9.36-0.68=60.16-6.73=
一、口算。
4.2+0.2=1.2+0.8=55.3+1=0.72+0.26=
3.9-0.9=8-1.4=6.1-5.9=0.68-0.17=
3.4-0.5=8.4+9.6=34.1+2=0.58-0.02=
5.9-0.9=6-3.4=6.7+0.9=0.74-0.44=
3.3-0.8=0.5+5.2=82.5-6=0.96+0.46=
二、笔算。
7.21-0.58=22.43-8.72=7.28-1.74=88.8-38.3=
8.46+4.46=94.46-2.38=8.14-0.09=19.56+8.93=
3.1-0.08=32.7+4.64=8.72+3.5=70.8+11.6=
7.2-4.52=30.82-7.4=4.46-0.16=93-3.79=
一、口算。
8.6-0.7=8.2+9.4=46.8-3=0.87-0.39=
6.1-0.6=9.9+3.8=9.9-0.8=0.56-0.33=
4-0.8=8.2+9.5=34.2-9=0.94+0.17=
3.2+0.6=7.4-2.8=8.1-3.1=0.86-0.04=
4.3+0.7=1.9+8.9=16.3+8=0.64-0.46=
二、笔算。
3.55+0.99=69.24-8.52=9.47+6.32=92.9-4.1=
8.08+5.62=62.19-5.56=7.76-0.77=72.13+8.08=
7.11-0.33=11.87-4.32=7.48-5.54=78.8+29.9=
9.91+4.55=10.08+2.02=6.16-0.29=63.3-9.6=
一、口算。
8.1+0.3=8.5+8=88.7-2=0.83+0.35=
2.1-0.4=5.6-2.3=9.9+1.1=0.96-0.24=
7.6-0.9=1.2+5=27.8-2=0.66+0.41=
5.7+0.5=9.5-4.9=9.1+1.1=0.95-0.26=
5.2-0.1=9.1+9.2=31.9-9=0.53-0.18=
二、笔算。
1.06+0.49=15.36-1.99=9.61-3.87=55.9-5.6=
9.85-2.19=93.32+5.57=6.69+0.18=57.01+3.65=
2.86+0.81=80.51+5.55=9.2+3.27=66.6-4=
8.84+3.07=98.42-8.41=9.32+0.56=97.41-5.89=
一、口算。
7.2-0.9=8+8.9=22.5-7=0.99+0.32=
2.1+0.5=6.8+0.5=6.8-1.6=0.68+0.29=
3.4+0.3=0.1+6.6=65.5+8=0.5-0.31=
3.4+0.1=7.2+0.3=6.4-5.1=0.59-0.11=
6.8+0.8=1.3+8.1=24.6-8=0.71-0.03=
二、笔算。
7.16-0.45=18.74-3.58=7.68+2.79=68.3-1=
9.8+5.73=69.68+7.73=2.33-0.19=97.03+3.24=
1.94+0.64=60.71+6.22=7.44-4.37=56.7-45=
9.62-5.01=29.09+1.21=3.03+0.33=64.34+1.66=
一、口算。
5.4+0.6=2.8+3.8=94.8-6=0.68+0.05=
9+0.8=6.5-0.8=7.1-2.8=0.77+0.21=
8.7-0.6=5.5+7.5=75.5+3=0.54+0.49=
2.4+0.1=9.5-4.4=6.3-4=0.65+0.34=
8.2+0.8=9.7+2.9=47.3-1=0.62-0.08=
二、笔算。
6.45+0.05=49.2-9.21=8.84+6.83=87.2+9.7=
7.46-1.82=23.43+9.49=1.35+0.74=34.68+8.32=
7.89+0.16=16.28-7.8=9.6-1.28=63.8+28.9=
7.48+2.3=41.47-6.68=2.33+0.02=78.46-5.19=
一、口算。
3-0.5=6+7.5=65.1-6=0.59+0.09=
6-0.8=7.5+0.1=9.4+1.2=0.5-0.21=
1.7+0.1=0.1+9=80.4-6=0.7+0.38=
7.5+0.8=7.9-0.8=7.7-4.9=0.71-0.24=
2+0.9=7.9+6.4=63.3-3=0.51+0.25=
二、笔算。
6.05+0.47=69.15+8.26=8.32-4.72=56.6-26=
7.56+3.64=51.01-5.5=9.16-0.09=77.96-7.43=
2.98-0.66=89.01+1.41=9.39-2.68=73.6-45.1=
7.18+5.3=91.58+2.47=1.02-0.28=37.84+5.64=
一、口算。
8.5+0.3=3.7+3.6=57.2-5=0.9-0.31=
7.1-0.6=8.6+3.4=7.3-5.6=0.7+0.47=
4.4+0.9=5.7+3=60.6-7=0.96+0.29=
5.3-0.3=6.8-2.1=8.7-4.2=0.51-0.04=
3.2-0.2=7.2+1.7=20.2-4=0.68-0.28=
二、笔算。
8.42+0.86=60.34-7.39=7.57+2.04=99.7+29.7=
9.96+2.18=27.71-3.77=4+0.53=63.82-1.36=
2.33+0.44=80.01-7.74=8.05-4.2=69.7-13.5=
7.29+6.15=39.66-3.26=7.3-0.58=25.73-5.25=
一、口算。
3.7+0.7=1.6+9.6=95.2-4=0.99+0.25=
5.4-0.9=9.3-2.9=8.5+0.7=0.99-0.17=
7.5+0.1=1.4+1.6=29.2-2=0.84-0.45=
6.9-0.4=5.1+4.5=7.7+5.2=0.92+0.11=
4+0.8=2.7+8.2=45.5+8=0.5-0.33=
二、笔算。
1.53+0.36=23.35+7.4=8.07-5.01=84.4-21.2=
7.47+3.66=31.85+2.31=5.12+0.4=60.72-7.62=
4.21+0.21=45.74-7.27=7.26+3.51=57.8-47.9=
9.06+5.64=90.58-9.42=6.57-0.85=46.77-2.83=
一、口算。
3.1+0.4=4.6+6.2=27.1-9=0.57-0.27=
1.2-0.3=8.3+4.9=6-3.7=0.87-0.34=
2+0.8=2.2+8=71.2+6=0.71+0.16=
6.4+0.8=8.1-1.1=8.9+3.2=0.94-0.08=
8.7-0.8=3.2+4.4=94.5-8=0.89-0.01=
二、笔算。
1.82-0.07=25.59-9.78=9.75+3.32=81.9+19=
8.84+5.52=44.1-1.1=9.5+0.45=94.03-1.66=
6.05+0.1=54.74+6.15=8.99+1.25=99.4+44.4=
9.93+3.18=85.28-6.43=2.29+0.62=17.79-1.13=
一、口算。
8.4-0.8=5.4+2.9=50.2+8=0.85+0.14=
7.3-0.4=7.7+1.3=8.2+5.5=0.5+0.08=
2-0.7=6.3+4.7=14.9+1=0.71-0.14=
2.3-0.8=8.3-3.3=7.6+4.8=0.71-0.14=
5.9-0.7=6.5+1=99.6-1=0.51+0.1=
二、笔算。
5.18-0.94=31.88+8.17=7.07-3.73=54.2-36.7=
9.01-6.55=11.56+2.6=5.96+0.49=55.33-3.78=
4.56-0.88=61.01-4.57=9.31-3.62=72.9-1.5=
9.92-1.31=17.85+2.14=2.98+0.73=34.16+9.59=
一、口算。
1.4+0.8=0.6+6=79.5+7=0.72-0.22=
3.5+0.3=5.4+1.7=9.5-4.5=0.62+0.29=
6.7+0.5=6.6+6.3=18.5+8=0.53+0.22=
5.1-0.7=6.7+0.6=6.5+0.5=0.82+0.4=
3.8-0.7=2.7+0.6=53.8+1=0.83-0.42=
二、笔算。
3.89+0.84=70.79-9.14=7.07+2.41=73.8+24=
9.52+2.94=25.35-9.29=8.05+0.72=83.62+5.56=
9.94-0.22=62.85+2.23=8.18+2.47=94.9-41.8=
9.76+2.6=84.71-6.53=5.51+0.36=72.04+1.62=
一、口算。
7.5+0.9=5.6+4.4=32.3+6=0.72-0.04=
6.8+0.7=8.4-3.1=8.9-5.5=0.52+0.35=
9+0.7=3.2+4.6=91.1+4=0.95+0.31=
4.6+0.6=7.2-0.1=8.5+5=0.95-0.08=
2.4-0.1=0.6+4.7=31.5-1=0.64+0.4=
二、笔算。
7.39+0.36=38.95+6.6=7.09+5.08=52.4-3.7=
9.43-5.82=92.26+9.4=8.71+0.89=78.16+4.89=
7.44+0.09=41.78+8.94=9.25-6.33=81.9+48.3=
8.79-6.54=34.25+9.57=4.65-0.17=39.56-5.87=
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