四年级数学下册小数加减法练习题精选134.docx
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四年级数学下册小数加减法练习题精选134.docx
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四年级数学下册小数加减法练习题精选134
一、口算。
2+0.4=0.5+9=57.3+2=0.54+0.45=
8.3-0.8=6.7+4.4=9.5+2.8=0.85-0.17=
2.5+0.6=6.6+1.7=73.8-5=0.59-0.29=
4.2+0.8=8.3+2.3=9.2-5.7=0.64+0.08=
4.5-0.8=6.9+1.8=28.2+8=0.74-0.48=
二、笔算。
1.46+0.74=98.44+5.16=8.05-5.65=71.7+11.6=
8.15-2.13=50.86+2.32=3.29+0.91=83.07+1.36=
7.11+0.89=18.47-8.2=7.05+4.35=86.7-5.4=
9.47-2.55=43.32+1.54=9.09-0.69=86.57+2.99=
一、口算。
1.2+0.2=7.4+8.8=98.3-6=0.87+0.43=
4.4-0.8=6+3.9=7.3+5=0.69-0.28=
5.2-0.3=3.4+2.7=56.7-1=0.52+0.04=
7.8+0.9=9-2.1=6.1-5.1=0.94+0.19=
8.4+0.8=3.1+2=85.1-9=0.74+0.02=
二、笔算。
2.6+0.61=99.91+2.31=7.45+6.14=51.2+3.8=
9.13-5.95=82.97+8.17=3.6+0.34=69.34-8.01=
5.06-0.75=26.99-7.56=7.55+3.8=86.9-31.7=
7.77-4.39=19.96+9.72=8.18-0.04=27.87+6.21=
一、口算。
7.7-0.2=8.1+1.4=82.7+8=0.72-0.46=
3.2+0.8=6+3.9=9.5+4.3=0.65-0.39=
4.9-0.5=5.9+6.6=93.5-4=0.94-0.31=
3.4-0.2=9.5-2.9=7.7-1.3=0.7+0.48=
8.3-0.2=2.7+7.8=97.1-5=0.9+0.27=
二、笔算。
6.41-0.93=59.76+2.7=9.53+3.91=54.9-27.6=
7.38+2.49=39.6-1.86=4.95+0.79=68.19-6.44=
5.31+0.58=31.49-6.29=7-5.26=75.4+37.2=
8.62-3.46=14.14+7.27=7.15-0.59=97.5-2.82=
一、口算。
7.4-0.2=0.2+9.2=64.9+7=0.63-0.11=
3.7+0.3=9.3+0.1=9.5-1.9=0.84+0.18=
8.4+0.3=7.1+2=57.6-6=0.89-0.45=
8.3-0.1=5.2+2=7.3-4.7=0.51+0.05=
1.8+0.3=6.4+2.8=62.9-5=0.87-0.45=
二、笔算。
5.82+0.38=82.59-8.79=7.41+4.85=84.7+5.4=
8.24+6.29=22.03-7.93=4.84-0.24=63.79-5.53=
6.98-0.08=43.21-7.42=7.8-5.17=74.7+49.3=
8.67-6.26=72.84-9.24=9.02+0.79=41.27-7.23=
一、口算。
6.6+0.7=3+1.5=39.4+8=0.92-0.32=
5.3-0.9=5.6-1.8=9.2+4.6=0.74+0.18=
1.1-0.6=6.3+3.8=22.2-6=0.8+0.12=
3.7+0.4=7.8-3.5=6.2-3.8=0.53+0.23=
3.9+0.5=3.3+0.5=91.1-5=0.97-0.24=
二、笔算。
5.2+0.49=60.29-5.1=7.44-2.32=91.2-35.9=
7.93+3.09=76.8-3.85=3.85-0.99=63.9-6.71=
4.74+0.12=35.69-2.26=8.31+5.85=68.1+27.1=
9.78-1.28=70.15+1.32=7.41+0.07=85.6-2.73=
一、口算。
7.3+0.1=1.4+8.1=31.4-4=0.71-0.09=
7.9+0.2=7.2-2=6.4-1.4=0.67+0.17=
5.3+0.7=6.3+4.7=54.9-7=0.65+0.41=
3.8+0.3=5.1-1.8=6.2+1.5=0.98+0.29=
7.3-0.1=7.1+1.7=35.1-3=0.9+0.3=
二、笔算。
5.47-0.98=36.37+2.14=8.54-4.5=72.4+17.3=
8.42-1.28=64.15+8=5+0.7=13.4-8.17=
1.33+0.26=78.1-9.17=8.19-6.94=84.9-47.3=
8.28-4.6=62.75+4.27=1.18+0.02=24.35-8.82=
一、口算。
1.8+0.3=5.4+5.7=98.5+3=0.54+0.2=
3.9-0.1=6.3+4.3=9.4-1.5=0.5+0.31=
1.5+0.6=3.6+9=15.4-3=0.66-0.26=
4.5-0.4=5.2-4.5=8-4.8=0.5-0.08=
2.1+0.8=2.9+2.2=86.4-4=0.6-0.22=
二、笔算。
5.45+0.7=84.25+4.25=7.74-5.11=88.6+17.8=
9.68-6.22=12.59+1.77=1.71-0.32=43.48+2.44=
9.53+0.29=38.3-6.7=8.57-2.82=67+8.5=
9.56+4.6=38.42+2.49=7.32+0.52=72.13-2.23=
一、口算。
8.3-0.7=6.4+6.1=65.2+9=0.92-0.33=
7.7-0.4=6.8-0.3=6.2+2=0.59-0.45=
5-0.3=9+2.1=54.6+8=0.62+0.06=
2.4+0.2=6.4+3.4=8.3+5.9=0.58+0.32=
7.9+0.3=7.2+1.2=45.7+9=0.81+0.16=
二、笔算。
8.91+0.33=73.51+9.06=9.61-5.44=78.3+13.3=
7.35-5.96=74.56-5.06=7.8+0.37=82.52+1.24=
4.67+0.29=43.84+1.66=9.53-5.86=78.2+22.2=
7.04+5.17=59.58+9.88=1.88+0.89=48.23-5.16=
一、口算。
4.7-0.5=8.1+0.8=82.3-6=0.86+0.16=
5.6-0.3=8.3+3.4=7.2-5.1=0.84-0.03=
8.5-0.2=5.9+4.6=96.8+2=0.61+0.28=
5.9+0.9=7.3-0.9=6.2-4=0.51-0.45=
8.2+0.9=8.6+9.8=83.1+8=0.96+0.05=
二、笔算。
6.24-0.17=17.22-8.32=9.04-6.45=89.9+20.4=
8.9+3.04=29.4+2.38=2.66+0.31=17.25-7.57=
3.62+0.32=30.16-8.09=9.34+1.8=65.3+35.1=
8.9+5.84=91.2-3.4=2.17-0.64=23.62+5.9=
一、口算。
3.8+0.1=9.2+3.3=94.2-7=0.81+0.49=
4.4+0.7=7.1-0.8=8.3-1.1=0.89-0.31=
4.9-0.1=2+0.1=30.8+9=0.59-0.28=
2.7+0.8=6.3+4.6=7.8+5.4=0.72-0.16=
6.2+0.1=0.5+2.4=56.1+4=0.8+0.24=
二、笔算。
4.49-0.23=61.65+1.3=7.35-5.18=91.6-24.2=
9.52+3.43=18.57-8.45=8.59-0.95=38.58-3.32=
6.57+0.79=62.18-5.82=7.99-1.77=83.8+41.1=
9.81-4.12=91.15-8.92=4.79-0.37=90.29-1.08=
一、口算。
2.1-0.7=5.9+3=59.2+4=0.5+0.17=
7.3+0.4=5.9+0.5=7.1-5=0.56+0.27=
7.9+0.4=9.9+9.9=95.2+9=0.77-0.27=
8.2+0.8=6.6+1=8.1-3.3=0.68+0.01=
6.8-0.4=1.9+1.2=89.6+9=0.93+0.22=
二、笔算。
9.63+0.29=75.24-3.58=9.99-3.85=56.9-47.5=
7.16-6.99=25.2-6.84=8.13+0.9=17.55+9.6=
1.54+0.73=53.04+6.92=8.42-5.29=52.3-25.5=
8.83-2.26=68.86+2.2=9.68+0.36=83.65+1.8=
一、口算。
5.8+0.3=3.5+0.2=62.9+3=0.99-0.49=
4.6+0.3=8.7-0.1=7-4.2=0.69+0.41=
8.8-0.7=5.6+9.6=60.9-7=0.83-0.34=
4.1-0.7=8.7-3.7=8-2.3=0.64+0.22=
4.2-0.9=8.4+6.5=25.7-2=0.78+0.26=
二、笔算。
9.42-0.8=69.27-8.58=7.73-5.39=90.4-41.1=
7.6+1.72=14.75-5.85=9.17-0.45=58.57+6.71=
9.4-0.97=85.52-5.64=7.64-4.47=79.2-7.2=
7.43-6.21=77.51+7.78=2.84+0.55=18.12-1.94=
一、口算。
7.6+0.1=6.3+1.4=93.1+7=0.81-0.27=
4.3-0.5=9.6+0.7=8.5+5.9=0.89+0.28=
4.7+0.7=0.4+6.1=12.1-3=0.87+0.49=
5.2+0.2=6.5+2.1=8.1-2.7=0.94+0.14=
5.4-0.5=3.6+5.3=37.5-2=0.63-0.22=
二、笔算。
8.6+0.3=90.56-1.26=7.08+5.56=63.1-11.8=
8.76-5.1=82.46+5.14=6.37+0.9=73.73+8.35=
2.06+0.43=46.25+2.41=8.29-2.13=66.3+39.7=
8.32+1.13=36.77+8.85=9.54+0.59=11.41+8.93=
一、口算。
9+0.2=0.9+9.6=99.1-1=0.92+0.13=
8.4-0.8=7.6+1.9=6.3-5.4=0.57+0.25=
4.8-0.1=3+7.2=74.9+2=0.76-0.15=
7+0.7=6.1+0.2=8.3-3=0.85+0.32=
5.5+0.9=7.3+4=25.1-1=0.82+0.47=
二、笔算。
1.2+0.87=29.71+7.93=9.56+3.9=96.7-10.3=
8.09+2.76=64.6+9.2=8.7-0.58=15-6.32=
1.07+0.23=11.31-5.76=7.42-1.78=68+30.9=
9.15+2.67=14.94-6.39=6.74-0.06=84.84+8.04=
一、口算。
5.9-0.4=6.2+4.7=74.2+9=0.97+0.05=
6+0.5=7.9+4.8=8.3-3.5=0.85+0.42=
8.9+0.5=9+4.7=19.2+1=0.63+0.08=
4.9+0.5=6.5-2.5=9.1-3.6=0.85+0.19=
7.6+0.8=2.8+6.6=47.5-9=0.83-0.39=
二、笔算。
2.76-0.1=26.5-8.13=9.57+4.39=52.7-5.2=
8.85+2.9=87.72+9.76=6.6+0.2=56.1-1.17=
8.94+0.89=88.65-8.67=9.78-5.57=90.4+33.2=
8.78-6.56=61.63-9.09=2.03+0.15=50.95+3.58=
一、口算。
1.9+0.6=1.5+2.6=79.7+9=0.68-0.04=
8+0.3=5.9+3.4=9.2-4=0.78+0.31=
7.3+0.6=7.6+4.4=26.6-1=0.67-0.23=
4.2+0.4=9.1+3.3=6.8-3.8=0.89+0.05=
7.1-0.6=5.5+9.4=24.3+2=0.53-0.06=
二、笔算。
4.73+0.69=98.6+7.13=8.91-3.5=52.6-2.9=
9.96-2.05=12.92+3.92=2.8+0.16=96.62-1.61=
4.77-0.67=86.9-2.01=7.03+6.68=68.4-9.4=
8.64-1.97=88.55+3.37=7.49+0.61=88.89+8.73=
一、口算。
8+0.6=1.7+9.6=10.1-4=0.94-0.33=
3.3+0.5=8.7-0.6=6.1+0.9=0.71-0.22=
3.5+0.5=7.8+6.4=69.3-6=0.7+0.08=
6.4+0.3=6.5+4.2=6.4-5.7=0.91-0.09=
7.1+0.1=2.9+1.8=75.2-8=0.84+0.11=
二、笔算。
9.94+0.16=30.18+2.08=9.66+4.1=53.5-21.2=
7.16-2.43=35.44+2=6.09-0.36=37.26-8.61=
4.18-0.95=34.75-1.53=8.21-2.79=90.5-27.6=
8.37-6.89=78.02-9.81=9.8+0.41=56.48+9.41=
一、口算。
7-0.6=0.3+3.5=29.2+7=0.66-0.4=
5+0.4=6.1-2.3=7.8+0.7=0.6+0.49=
8-0.2=5.7+6.9=88.8+1=0.72+0.32=
3.2-0.8=6.8+0.2=6.2+1.1=0.74+0.09=
3.8+0.6=5+0.6=95.6-3=0.89-0.45=
二、笔算。
6.75+0.06=32.03-7.82=9.54+6.69=62.9+21.9=
9.71+6.71=19.77+5.1=9.02+0.88=13.1-7.26=
3.44+0.88=28.22-7.61=8.67-3.12=88.9+28.3=
9.35+1.82=48.13-9.16=3.88-0.5=38.33+4.08=
一、口算。
1.6-0.2=4.8+5.9=51.6+8=0.86+0.25=
5.6-0.6=8.9-4.4=7.1-0.3=0.78-0.41=
2.4+0.6=4.1+2.1=17.8+7=0.92-0.39=
7.8-0.7=7.1-1.7=9.1+0.8=0.69+0.11=
1.3+0.4=1.7+5.1=94.2-6=0.76+0.35=
二、笔算。
9.32+0.66=94.98-9.71=8.69+1.36=66.1-7.7=
9.35-5.33=64.59+7.57=1.45-0.35=66.21+2.43=
6.25-0.92=66.35+7.86=8.6-5.66=71.5-17.2=
7.58+1.43=21.1+8.63=4.31+0.14=34.8-7.32=
一、口算。
7.7+0.2=8.6+0.5=88.3-8=0.8-0.43=
9-0.5=5.3+3.4=9.2-2.7=0.54+0.33=
2.4-0.8=9+2=81.4-2=0.65-0.12=
4.5+0.4=8.7-4=6.5-1.1=0.94-0.24=
6.6-0.1=4.9+7.2=56.2-9=0.94+0.23=
二、笔算。
3.84-0.99=81.59-5.6=7.28-5.87=70+24.9=
7.17+1.14=17.76+6.03=6.28-0.17=19.02+8.58=
1.68-0.53=73.68-8.37=8.13+1.34=60.9-44.9=
9.75+6.01=85.6+2.6=9.62+0.58=66.96+6.5=
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